32 I ] FLORA OF COLUMBIA AND VICINITY 1/9 



653a. V. palmata dilatata Ell. 



With the type, but much more abundant. 

 Range of the type. 



654. V. sororia Willd. \_V. palmata sororia iy^'iWd.) Pol- 

 lard: V. palmata asarifolia {Vnr%h) llo\isc\ Woolly 



BLUE VIOLET. 



Rare in dry oak thickets. 



New York to Michigan and Nebraska; Virginia to Mis- 

 souri. 



655. V. papilionacea Pursh [F. obliqua Britton & 

 Brown: V. palmata cuadlata Auct. and V. cucullata 

 Auct. mainly]. Common blue violet. 



Abundant in rich soil: very variable in leaf-contour, 

 pubescence, size and the color of the flowers. 



Nova Scotia to Minnesota and South Dakota; Georgia 

 to Missouri and Kansas. 



656. V. domestica Bicknell. [F. papilionacea domestica 

 (Bicknell) Pollard]. Yard violet. 



About houses and along streets: something very like it 

 with large broadly reniform leaves and of stout habit is 

 common along streams. 



New York to Virginia and Missouri. 



657. V. cuspidata Greene. 



Here are referred hirsute plants with dark blue flowers, 

 but forms connecting with V. papilionacea Pursh are plenti- 

 ful: mainly in the drier soils. 



Michigan to British Columbia; Indiana to Missouri. 



658. V. Missouriensis Greene. Missouri violet. 



Oak woods; scarce: the flowers vary from pale purple to 

 almost white; the plants are somewhat pubescent. 

 Missouri. 



659. V. cucullata Ait. Marsh blue violet. 



Along streams: the flowers are similar to the preceding, 

 but the plants are glabrous or hairy only upon the new 

 leaves. 



Maine to Ontario; Georgia to Missouri. 



