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<SEC-DOCUMENT>0000902664-09-000727.txt : 20090213
<SEC-HEADER>0000902664-09-000727.hdr.sgml : 20090213
<ACCEPTANCE-DATETIME>20090213105159
ACCESSION NUMBER:		0000902664-09-000727
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20090213
DATE AS OF CHANGE:		20090213

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			China Green Agriculture, Inc.
		CENTRAL INDEX KEY:			0000857949
		STANDARD INDUSTRIAL CLASSIFICATION:	AGRICULTURE CHEMICALS [2870]
		IRS NUMBER:				363526027
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-44460
		FILM NUMBER:		09599214

	BUSINESS ADDRESS:	
		STREET 1:		3RD FLOOR, BOROUGH A, BLOCK A. NO.181,
		STREET 2:		SOUTH TAIBAI ROAD,
		CITY:			XIAN, SHAANXI PROVINCE,
		STATE:			F4
		ZIP:			710065
		BUSINESS PHONE:		3034996000

	MAIL ADDRESS:	
		STREET 1:		3RD FLOOR, BOROUGH A, BLOCK A. NO.181,
		STREET 2:		SOUTH TAIBAI ROAD,
		CITY:			XIAN, SHAANXI PROVINCE,
		STATE:			F4
		ZIP:			710065

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DISCOVERY TECHNOLOGIES INC
		DATE OF NAME CHANGE:	20071114

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DISCOVERY TECHNOLOGIES INC /KS/
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DISCOVERY SYSTEMS INC
		DATE OF NAME CHANGE:	19900613

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARDSLEY ADVISORY PARTNERS
		CENTRAL INDEX KEY:			0000900529
		IRS NUMBER:				0
		STATE OF INCORPORATION:			CT
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		262 HARBOR DRIVE, 4TH FLOOR
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06902
		BUSINESS PHONE:		203-564-4230

	MAIL ADDRESS:	
		STREET 1:		262 HARBOR DRIVE, 4TH FLOOR
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06902
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>p09-0412sc13ga.txt
<DESCRIPTION>CHINA GREEN AGRICULTURE, INC.
<TEXT>

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                ----------------
                                 SCHEDULE 13G/A
                                ----------------


             INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934

                                 Amendment No. 1

                          China Green Agriculture, Inc.
                                (NAME OF ISSUER)

                    Common Stock, par value $0.001 per share
                         (TITLE OF CLASS OF SECURITIES)

                                    16943W105
                                 (CUSIP NUMBER)

                                December 31, 2008
             (Date of Event which requires Filing of this Statement)

                 Check the appropriate box to designate the rule
                    pursuant to which this Schedule is filed:

                                [ ] Rule 13d-1(b)
                                [x] Rule 13d-1(c)
                                [ ] Rule 13d-1(d)






                             (Page 1 of 15 PAGES)
- ------------------

*    The  remainder  of this cover  page  shall be filled out for a  reporting
person's  initial  filing on this  form with  respect  to the  subject  class of
securities,  and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

     The  information  required in the remainder of this cover page shall not be
deemed to be "filed"  for the purpose of Section 18 of the  Securities  Exchange
Act of 1934 ("Act") or otherwise  subject to the  liabilities of that section of
the Act but shall be subject to all other  provisions of the Act  (however,  see
the Notes).


<PAGE>


CUSIP No. 16943W105                      13G/A              PAGE 2 of 15 PAGES

- --------------------------------------------------------------------------------
     (1)  NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO.
          OF ABOVE PERSON
          Ardsley Partners Fund II, L.P.
- --------------------------------------------------------------------------------
     (2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                    (a)  [x]
                                                                    (b)  [ ]
- --------------------------------------------------------------------------------
     (3)  SEC USE ONLY
________________________________________________________________________________
     (4)  CITIZENSHIP OR PLACE OF ORGANIZATION
          Delaware
- --------------------------------------------------------------------------------

NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         _________________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                    445,500
OWNED BY       _________________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      _________________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    445,500
- --------------------------------------------------------------------------------
     (9)  AGGREGATE AMOUNT BENEFICIALLY OWNED
          BY EACH REPORTING PERSON
          445,500
- --------------------------------------------------------------------------------
    (10)  CHECK BOX IF THE AGGREGATE AMOUNT
          IN ROW (9) EXCLUDES CERTAIN SHARES **                          [ ]
- --------------------------------------------------------------------------------
    (11)  PERCENT OF CLASS REPRESENTED
          BY AMOUNT IN ROW (9)
          2.42%
- --------------------------------------------------------------------------------
    (12)  TYPE OF REPORTING PERSON **
             PN
- --------------------------------------------------------------------------------
             ** SEE INSTRUCTIONS BEFORE FILLING OUT!


<PAGE>


CUSIP No. 16943W105                      13G/A              PAGE 3 of 15 PAGES

- --------------------------------------------------------------------------------
     (1)  NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO.
          OF ABOVE PERSON
          Ardsley Partners Institutional Fund, L.P.
- --------------------------------------------------------------------------------
     (2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                    (a)  [x]
                                                                    (b)  [ ]
- --------------------------------------------------------------------------------
     (3)  SEC USE ONLY

- --------------------------------------------------------------------------------
     (4)  CITIZENSHIP OR PLACE OF ORGANIZATION
          Delaware
- --------------------------------------------------------------------------------

NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         _________________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                    288,500
OWNED BY       _________________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      _________________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    288,500
- --------------------------------------------------------------------------------
     (9)  AGGREGATE AMOUNT BENEFICIALLY OWNED
          BY EACH REPORTING PERSON
          288,500
- --------------------------------------------------------------------------------
    (10)  CHECK BOX IF THE AGGREGATE AMOUNT
          IN ROW (9) EXCLUDES CERTAIN SHARES **                          [ ]
- --------------------------------------------------------------------------------
    (11)  PERCENT OF CLASS REPRESENTED
          BY AMOUNT IN ROW (9)
          1.57%
- --------------------------------------------------------------------------------
    (12)  TYPE OF REPORTING PERSON **
               PN
- --------------------------------------------------------------------------------
             ** SEE INSTRUCTIONS BEFORE FILLING OUT!


<PAGE>


CUSIP No. 16943W105                      13G/A             PAGE 4 of 15 PAGES

- --------------------------------------------------------------------------------
     (1)  NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO.
          OF ABOVE PERSON
          Ardsley Offshore Fund Ltd.
- --------------------------------------------------------------------------------
     (2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                    (a)  [x]
                                                                    (b)  [ ]
- --------------------------------------------------------------------------------
     (3)  SEC USE ONLY

- --------------------------------------------------------------------------------
     (4)  CITIZENSHIP OR PLACE OF ORGANIZATION
          British Virgin Islands
- --------------------------------------------------------------------------------

NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         _________________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       _________________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      _________________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
- --------------------------------------------------------------------------------
     (9)  AGGREGATE AMOUNT BENEFICIALLY OWNED
          BY EACH REPORTING PERSON
          0
- --------------------------------------------------------------------------------
    (10)  CHECK BOX IF THE AGGREGATE AMOUNT
          IN ROW (9) EXCLUDES CERTAIN SHARES **                          [ ]
- --------------------------------------------------------------------------------
    (11)  PERCENT OF CLASS REPRESENTED
          BY AMOUNT IN ROW (9)
          0%
- --------------------------------------------------------------------------------
    (12)  TYPE OF REPORTING PERSON **
               CO
- --------------------------------------------------------------------------------
             ** SEE INSTRUCTIONS BEFORE FILLING OUT!


<PAGE>


CUSIP No. 16943W105                      13G/A               PAGE 5 of 15 PAGES

- --------------------------------------------------------------------------------
     (1)  NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO.
          OF ABOVE PERSON
          Ardsley Advisory Partners
- --------------------------------------------------------------------------------
     (2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                    (a)  [x]
                                                                    (b)  [ ]
- --------------------------------------------------------------------------------
     (3)  SEC USE ONLY

- --------------------------------------------------------------------------------
     (4)  CITIZENSHIP OR PLACE OF ORGANIZATION
          Connecticut
- --------------------------------------------------------------------------------

NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         _________________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                    745,500
OWNED BY       _________________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      _________________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    745,500
- --------------------------------------------------------------------------------
     (9)  AGGREGATE AMOUNT BENEFICIALLY OWNED
          BY EACH REPORTING PERSON
          745,500
- --------------------------------------------------------------------------------
    (10)  CHECK BOX IF THE AGGREGATE AMOUNT
          IN ROW (9) EXCLUDES CERTAIN SHARES **                          [ ]
- --------------------------------------------------------------------------------
    (11)  PERCENT OF CLASS REPRESENTED
          BY AMOUNT IN ROW (9)
          4.06%
- --------------------------------------------------------------------------------
    (12)  TYPE OF REPORTING PERSON **
               PN; IA
- --------------------------------------------------------------------------------
             ** SEE INSTRUCTIONS BEFORE FILLING OUT!


<PAGE>


CUSIP No. 16943W105                      13G/A              PAGE 6 of 15 PAGES

- --------------------------------------------------------------------------------
     (1)  NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO.
          OF ABOVE PERSON
          Ardsley Partners I
- --------------------------------------------------------------------------------
     (2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                    (a)  [x]
                                                                    (b)  [ ]
- --------------------------------------------------------------------------------
     (3)  SEC USE ONLY

- --------------------------------------------------------------------------------
     (4)  CITIZENSHIP OR PLACE OF ORGANIZATION
          Connecticut
- --------------------------------------------------------------------------------

NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         _________________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                    734,000
OWNED BY       _________________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      _________________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    734,000
- --------------------------------------------------------------------------------
     (9)  AGGREGATE AMOUNT BENEFICIALLY OWNED
          BY EACH REPORTING PERSON
          734,000
- --------------------------------------------------------------------------------
    (10)  CHECK BOX IF THE AGGREGATE AMOUNT
          IN ROW (9) EXCLUDES CERTAIN SHARES **                          [ ]
- --------------------------------------------------------------------------------
    (11)  PERCENT OF CLASS REPRESENTED
          BY AMOUNT IN ROW (9)
          3.99%
- --------------------------------------------------------------------------------
    (12)  TYPE OF REPORTING PERSON **
               PN
- --------------------------------------------------------------------------------
             ** SEE INSTRUCTIONS BEFORE FILLING OUT!


<PAGE>


CUSIP No. 16943W105                       13G/A            PAGE 7 of 15 PAGES

- --------------------------------------------------------------------------------
     (1)  NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO.
          OF ABOVE PERSON
          Philip J. Hempleman
- --------------------------------------------------------------------------------
     (2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                    (a)  [x]
                                                                    (b)  [ ]
- --------------------------------------------------------------------------------
     (3)  SEC USE ONLY

- --------------------------------------------------------------------------------
     (4)  CITIZENSHIP OR PLACE OF ORGANIZATION
          United States
- --------------------------------------------------------------------------------

NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         _________________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                    745,500
OWNED BY       _________________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      _________________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    745,500
- --------------------------------------------------------------------------------
     (9)  AGGREGATE AMOUNT BENEFICIALLY OWNED
          BY EACH REPORTING PERSON
          745,500
- --------------------------------------------------------------------------------
    (10)  CHECK BOX IF THE AGGREGATE AMOUNT
          IN ROW (9) EXCLUDES CERTAIN SHARES **                          [ ]
- --------------------------------------------------------------------------------
    (11)  PERCENT OF CLASS REPRESENTED
          BY AMOUNT IN ROW (9)
          4.06%
- --------------------------------------------------------------------------------
    (12)  TYPE OF REPORTING PERSON **
               IN
- --------------------------------------------------------------------------------
             ** SEE INSTRUCTIONS BEFORE FILLING OUT!


<PAGE>


CUSIP No. 16943W105                       13G/A           PAGE 8 of 15 PAGES

ITEM 1(a).  NAME OF ISSUER:

               The name of the issuer is China Green Agriculture, Inc. (the
"Company").

ITEM 1(b).  ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
            3rd Floor, Borough A, Block A. No.181, South Taibai Road, Xi'an,
            Shaanxi Province, People's Republic of China 710065

ITEM 2(a).  NAME OF PERSON FILING:

          This statement is filed by:

          (i)  Ardsley  Partners Fund II, L.P., a Delaware  limited  partnership
               ("AP II"), with respect to the shares of Common Stock,  par value
               $0.001 per share ("Common Stock") directly owned by it;
          (ii) Ardsley  Partners  Institutional  Fund,  L.P., a Delaware limited
               partnership ("Ardsley Institutional"), with respect to the shares
               of Common Stock directly owned by it;
         (iii) Ardsley Offshore Fund Ltd., a British Virgin Islands corporation
               ("Ardsley Offshore"),  with respect to the shares of Common Stock
               directly owned by it;
          (iv) Ardsley  Advisory  Partners,   a  New  York  general  partnership
               ("Ardsley")  which  serves  as  Investment   Manager  of  Ardsley
               Offshore   and  the   Investment   Adviser  of  AP  II,   Ardsley
               Institutional and one or more managed  accounts,  with respect to
               the shares of Common Stock directly owned by Ardsley Offshore, AP
               II, Ardsley Institutional, and such managed accounts;
          (v)  Ardsley  Partners  I, a New York  general  partnership  ("Ardsley
               Partners")  which serves as General  Partner of AP II and Ardsley
               Institutional; and
          (vi) Philip J. Hempleman ("Mr.  Hempleman"),  the Managing  Partner of
               Ardsley  and  Ardsley  Partners,  with  respect  to the shares of
               Common  Stock  owned  by AP II,  Ardsley  Institutional,  Ardsley
               Offshore and the managed accounts.

               The foregoing persons are hereinafter sometimes collectively
referred to as the "Reporting Persons." Any disclosures herein with respect to
persons other than the Reporting Persons are made on information and belief
after making inquiry to the appropriate party.

ITEM 2(b).  ADDRESS OF PRINCIPAL OFFICE OR, IF NONE, RESIDENCE:

        The address of the business office of each of the Reporting Persons,
with the exception of Ardsley Offshore, is 262 Harbor Drive, Stamford,
Connecticut 06902.

        The address of the registered office of Ardsley Offshore is Romasco
Place, Wickhams Cay 1, Roadtown Tortola, British Virgin Islands.


<PAGE>


CUSIP No. 16943W105                     13G/A              PAGE 9 of 15 PAGES

ITEM 2(c).  CITIZENSHIP:

        AP II and Ardsley  Institutional  are Delaware  limited  partnerships.
Ardsley  Offshore is a British Virgin Islands  corporation.  Ardsley and Ardsley
Partners are New York general  partnerships.  Mr.  Hempleman is a United  States
Citizen.

ITEM 2(d).  TITLE OF CLASS OF SECURITIES: Common Stock, par value $0.001 per
share

ITEM 2(e).  CUSIP NUMBER:  16943W105

ITEM 3.     IF THIS STATEMENT IS FILED PURSUANT TO RULES 13d-1(b), OR 13d-2(b),
CHECK WHETHER THE PERSON FILING IS A:

          (a)  [ ] Broker or dealer registered under Section 15 of the Act

          (b)  [ ] Bank as defined in Section 3(a)(6) of the Act


          (c)  [ ] Insurance Company as defined in Section 3(a)(19) of the
                   Act

          (d)  [ ] Investment Company registered under Section 8 of the
                   Investment Company Act

          (e)  [ ] Investment Adviser registered under Section 203 of the
                   Investment Advisers Act of 1940

          (f)  [ ] Employee Benefit Plan, Pension Fund which is subject to
                   the provisions of the Employee Retirement Income Security
                   Act of 1974 or Endowment Fund; see Rule 13d- 1(b)(1)(ii)(F)

          (g)  [ ] Parent Holding Company, in accordance with Rule 13d-
                   1(b)(ii)(G); see item 7

          (h)  [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(H)

If this statement is filed pursuant to Rule 13d-1(c), check the box. [X]


<PAGE>


CUSIP No. 16943W105                     13G/A              PAGE 10 of 15 PAGES

ITEM 4.   OWNERSHIP.

        A.     Ardsley Partners Fund II, L.P.
               (a)   Amount beneficially owned: 445,500
               (b)   Percent of class: 2.42%. (The percentages used herein and
                     in the rest of Item 4 are calculated based upon the
                     18,381,702 shares of Common Stock issued and outstanding
                     as per the Company's 10-Q, as filed with the Securities
                     and Exchange Commission on November 10, 2008.)
               (c)   (i)    Sole Power to vote or direct the vote: -0-
                     (ii)   Shared power to vote or direct the vote: 445,500
                     (iii)  Sole power to dispose or direct the disposition: -0-
                     (iv)   Shared power to dispose or direct the disposition:
                            445,500

        B.     Ardsley Partners Institutional Fund, L.P.
               (a)   Amount beneficially owned: 288,500
               (b)   Percent of class: 1.57%
               (c)   (i)    Sole Power to vote or direct the vote: -0-
                     (ii)   Shared power to vote or direct the vote: 288,500
                     (iii)  Sole power to dispose or direct the disposition: -0-
                     (iv)   Shared power to dispose or direct the disposition:
                            288,500

        C.     Ardsley Offshore Fund Ltd.
               (a)   Amount beneficially owned: -0-
               (b)   Percent of class: 0%
               (c)   (i)    Sole Power to vote or direct the vote: -0-
                     (ii)   Shared power to vote or direct the vote: -0-
                     (iii)  Sole power to dispose or direct the disposition: -0-
                     (iv)   Shared power to dispose or direct the disposition:
                            -0-

        D.     Ardsley Advisory Partners
               (a)   Amount beneficially owned: 745,500
               (b)   Percent of class: 4.06%
               (c)   (i)    Sole Power to vote or direct the vote: -0-
                     (ii)   Shared power to vote or direct the vote: 745,500
                     (iii)  Sole power to dispose or direct the disposition: -0-
                     (iv)   Shared power to dispose or direct the disposition:
                            745,500

        E. Ardsley Partners I
               (a)   Amount beneficially owned: 734,000
               (b)   Percent of class: 3.99%
               (c)   (i)    Sole Power to vote or direct the vote: -0-
                     (ii)   Shared power to vote or direct the vote: 734,000
                     (iii)  Sole power to dispose or direct the disposition: -0-
                     (iv)   Shared power to dispose or direct the disposition:
                            734,000

        F. Philip J. Hempleman
               (a)   Amount beneficially owned: 745,500
               (b)   Percent of class: 4.06%
               (c)   (i)    Sole Power to vote or direct the vote: -0-
                     (ii)   Shared power to vote or direct the vote: 745,500
                     (iii)  Sole power to dispose or direct the disposition: -0-
                     (iv)   Shared power to dispose or direct the disposition:
                            745,500


<PAGE>


CUSIP No. 16943W105                      13G/A              PAGE 11 of 15 PAGES

ITEM 5.   OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.
          If this statement is being filed to report the fact that as of the
          date hereof the reporting person has ceased to be the beneficial owner
          of more than five percent of the class of securities, check the
          following |X|.


ITEM 6.   OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.
          Not Applicable.

ITEM 7.   IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
          THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY. Not
          applicable.

ITEM 8.   IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.
          Not applicable.

ITEM 9.   NOTICE OF DISSOLUTION OF GROUP.
          Not applicable.

ITEM 10.  CERTIFICATION.

     Each of the Reporting Persons hereby makes the following certification:

          By signing below I certify, to the best of my knowledge and belief,
the securities referred to above were acquired in the ordinary course of
business, were not acquired for the purpose of and do not have the effect of
changing or influencing the control of the issuer of such securities and were
not acquired in connection with or as a participant in any transaction having
such purposes or effect.


<PAGE>


CUSIP No. 16943W105                      13G/A             PAGE 12 of 15 PAGES

                                    SIGNATURE

          After  reasonable  inquiry  and to the  best of  their  knowledge  and
belief, the undersigned certify that the information set forth in this statement
is true, complete and correct.


DATED: as of February 13, 2009


                                    ARDSLEY PARTNERS FUND II, L.P.
                                    BY:  ARDSLEY PARTNERS I,
                                         GENERAL PARTNER


                                    By:/s/ Steve Napoli
                                       ------------------
                                        Steve Napoli
                                        General Partner



                                    ARDSLEY PARTNERS INSTITUTIONAL FUND, L.P.
                                    BY:  ARDSLEY PARTNERS I,
                                         GENERAL PARTNER


                                    By:/s/ Steve Napoli
                                       -----------------
                                        Steve Napoli
                                        General Partner


                                    ARDSLEY OFFSHORE FUND LTD.


                                    By:/s/ Steve Napoli
                                       --------------
                                        Steve Napoli
                                        Director


<PAGE>


CUSIP No. 16943W105                      13G/A             PAGE 13 of 15 PAGES

                                    ARDSLEY ADVISORY PARTNERS
                                    By:  ARDSLEY PARTNERS I
                                         GENERAL PARTNER


                                    By:/s/ Steve Napoli
                                       -----------------
                                         Steve Napoli
                                         General Partner


                                    ARDSLEY PARTNERS I

                                    By:/s/ Steve Napoli
                                       ----------------
                                        Steve Napoli
                                        General Partner



                                    PHILIP J. HEMPLEMAN, INDIVIDUALLY


                                    By:/s/ Steve Napoli*
                                       ----------------
                                          Steve Napoli
                                     As attorney in fact for
                                     Philip J. Hempleman


*   Evidence of Power of Attorney was filed with the Schedule 13G/A filed on
    February 15, 2006 (Acc-no: 0000902664-06-000895) and is incorporated by
    reference into this filing.


<PAGE>


CUSIP No. 16943W105                   13G/A              PAGE 14 of 15 PAGES

                                    EXHIBIT 1
               JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k)(1)

          The undersigned  acknowledge and agree that the foregoing statement on
Schedule  13G/A is  filed  on  behalf  of each of the  undersigned  and that all
subsequent  amendments to this statement shall be filed on behalf of each of the
undersigned  without the necessity of filing additional joint filing statements.
The undersigned acknowledge that each shall be responsible for the timely filing
of such  amendments,  and for the  completeness  and accuracy of the information
concerning him, her or it contained herein, but shall not be responsible for the
completeness  and accuracy of the  information  concerning the other entities or
persons,  except to the extent that he, she or it knows or has reason to believe
that such information is inaccurate.

Dated as of February 13, 2009



                                    ARDSLEY PARTNERS FUND II, L.P.
                                    BY:  ARDSLEY PARTNERS I,
                                         GENERAL PARTNER


                                    By:/s/ Steve Napoli
                                       ----------------
                                        Steve Napoli
                                        General Partner


                                    ARDSLEY PARTNERS INSTITUTIONAL FUND, L.P.
                                    BY:  ARDSLEY PARTNERS I,
                                         GENERAL PARTNER


                                    By:/s/ Steve Napoli
                                       -----------------
                                        Steve Napoli
                                        General Partner


                                    ARDSLEY OFFSHORE FUND LTD.


                                    By:/s/ Steve Napoli
                                       ---------------
                                        Steve Napoli
                                        Director


<PAGE>


CUSIP No. 16943W105                      13G/A              PAGE 15 of 15 PAGES


                                    ARDSLEY ADVISORY PARTNERS

                                    By:  ARDSLEY PARTNERS I
                                         GENERAL PARTNER

                                    By:/s/ Steve Napoli
                                       ----------------
                                         Steve Napoli
                                         General Partner


                                    ARDSLEY PARTNERS I

                                    By:/s/ Steve Napoli
                                       -----------------
                                        Steve Napoli
                                        General Partner


                                    PHILIP J. HEMPLEMAN, INDIVIDUALLY


                                    By:/s/ Steve Napoli *
                                       ----------------
                                         Steve Napoli
                                         Attorney-in-fact
                                         for Philip J. Hempleman





*   Evidence of Power of Attorney was filed with the Schedule 13G/A filed on
    February 15, 2006 (Acc-no: 0000902664-06-000895) and is incorporated by
    reference into this filing.

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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