Bui. 18, Div. of Agrosiology. 



Plate I. 



(;//j//rfi 



^:?t^' 



277062 j 



OtCTt.^^.^ T-id^t 



'♦-9i Ht"^ 



T-ilCllon^-a^ ■>». 



^ Jifj 



UNITED tTATCt NATHWAL 



lONAL HCRBARIUM.''^ Ig^ 



11. .^1*1. ISvTItt'll.lV T' 



Tm.--'^ — 





SiTANION VILLOSUM J. (;. Siiiitli Type 



