64 



west* dense woods; near other forms): very much like 

 D. 118 - apparently almost Identical. 



D. 147 (near D. 146): aliout like D. 146, leaflets 

 perhaps slightly more incised. 



D* 118» 146, and 147 are (as to tops) much like 

 D« 51, hut the leaves differ somewhat from diphylla ; 

 D. 110, 111 and 113, again, differ more from D. 118, etc,, 

 in the same direction, having nearly the leaf -form of 

 maxima. 



9. DRABA (Dill.) L. 



26. Oraba arahisans Midhx. 

 Scientific name: 



Draba arahisans Flor- Bor. Am. 2.: 28. 1803. 

 Draba incana arahisans S. Wats. Proc. Am. 



Aoad. 23! 260. 1888. 

 Accepted as "good species" by G. M., tho not by 



A 

 B. M. 



Common Name: 



Hoary or twisted whitlow -grass (B. M. for 



Draba stylaris ) . 



