CIG 



Bickni:ll: Studies in Sisvrin'cuium 



species. Ordinarily tlicrc would be little excuse for proposiiii^ a 

 new species on so slender a basis, but I have the less hesitation In 

 so doin^^ in the present case because it is impossible to reconcile 

 the specimen with an)' species known to me and the exact locality 

 where it was collected being known the true status and relation- 

 ship of the plant can be readily ascertained at some future time. 



It is to be compared especially with ^. torliiiii, aj^reeing with 

 that species in the short stamincal column ; but it differs obviously 

 in other characters, notably in the entire absence of the fibrous in- 

 vestiture of the base of the tufts. 



