CLASS V. ORDER I. J 03 



smooth, lanceolate, acute. Petals pale purple, the two lateral 

 ones bearded inside. Stigma rostrate. — On the Concord turn- 

 pike in Cambridge. — June. 



Viola Canadensis. L. Canada Violet. 



Caulescent ; smooth ; leaves cordate, acuminate, 

 serrate ; pedimcles as long as the leaves ; stipules 

 short, entire. 



A large species often more than a foot in height. Leaves 

 heart shaped, the largest ones strongly acuminate, the lower ones 

 acute or obtuse, in some plants all obtuse. Flowers parti-co- 

 lored, the two upper petals purple without, the lower petals pale. 

 — In woods, Windsor and Woodstock, Vermont. — June. 



Viola rostrata. Ph. Beaked Violet. 



Glabrous ; stems numerous ; leaves cordate, the 

 upper ones acute, serrate ; stipules serrale-ciliate ; 

 petals beardless, spur longer than the corolla. 



More easily distinguished than the others, by the very long 

 spur of the flowers. Stems ascending, round from four to six 

 inches high. Flowers large, pale bluish purple with deeper veins. 

 — In Burlington, Vermont, Mr. Tuckerman. — Massachusetts, 

 Prof. Hitchcock. 



Viola pubescens. Ait. Yellow Violet. 



Stem erect, villotis; leaves heart-shaped, pubescent; 

 stipules oblong, serrulate at tip. Ait. ahr. 



Syn. Viola Pexxsylvanica. Mich. 



Stem simple, pubescent, somewhat triangular. Leaves alter- 

 nate, broad heart shaped or deltoid, with a tapering base, point- 

 ed, crenate, hairy, longer than their petioles. Stipules large, 

 unequally ovate, serrate. Peduncles axillary, solitary, hairy, 

 furnished with two subulate bractes. Calyx smoothish. Petals 

 yellow, streaked with dark purple, and slightly bearded inside. 

 On the Concord turnpike, Cambridge. — June. 



