Voi,. lo January 4, 1920 No. i 



JOURNAL 



OF THE 



WASHINGTON ACADEMY 

 OF SCIENCES 



BOARD OF EDITORS 

 A. S. HwcMCocK J. FRANKI.IN Mbysk " R. B. Sosuam 



BOBIAO OP rLANT IN0O*TBV BDBBAO OP BTANDABM OBOrBTMCAL LABOBATOBV 



ASSOCIATE EDITORS 



H. V. HAW.AN S. A. ROHWBR 



BOTANICAL 80C«T» gHTOMOWOlCAU BOCHIT* 



N. HOLLISTER p B SlIvSBBE 



BIOI.OOICAI, BOCIBTV * /h^o^p„cAI, BOCIilYV 



Sidney Paige J- R Swanton 



OaOLOOICAL SOCIItn A«TaBOPOI,0OICAI. •OCI«7» 



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