Viola. VIOLACE^E. 75 



14. Viola Canadensis, Linn. Canadian Violet. 



Nearly smooth ; leaves broadly cordate, acuminate, serrate, the nerves pubescent ; stipules 

 ovate-lanceolate, very acute, membranaceous, entire; sepals subulate ; petals oblong-elliptical; 

 spur very short; capsule somewhat globose, pubescent. — Pz/rs/j, /. 1. p. 174; Schwein. 

 I. c. ; Torr. ft. 1. p. 255 ; Bigel. fi. Bost. p. 97 ; DC. prodr. 1. p. 301 ; Le Conte, I. c. ; 

 Hook. ft. Bor.-Am. 1. p. 80 ; Torr. ^ Gr. ft. N. Atn. 1. p. 143 ; Don, in Brit. ft. Gard. 

 (second ser.) t. 62. 



Stem 6-18 inches high, erect, usually simple. Leaves slightly pubescent on both sides, 

 the largest ones 2 inches or more in diameter ; lovv^er ones sometimes only acute, or even 

 obtuse. Flowers middle-sized : petals paler inside, the lower ones violet externally, lateral 

 ones bearded. Style dilated upward. Seeds roundish, ovate, brown. 



Shady woods in rich soil. Common in the interior of the State ; not found south of the 

 Highlands. Fl. Latter part of May - July. 



§ 3. Stigma urceolate, hairy on each side ; orifice large, furnished with a lip on one side : style at- 

 tenuated downward: ovary partly immersed in the concave torus : seeds very numerous. Ginoins. 



15. Viola tricolor, Linn. Pansey. Hearf s-ease. 



Root somewhat fusiform ; stems branching, diffused ; lowest leaves ovate, cordate ; stipules 

 runcinately pinnatifid, the middle lobe crenate ; petals with short claws ; spur thick, obtuse, 

 not produced; appendages short; seeds oblong-ovate. DC. prodr. 1. p. 303. 



var. arvensis : annual : stems assurgent ; upper leaves spatulate-ovate ; petals scarcely 

 longer than the calyx, yellowish, blue, or spotted with purple. DC. I. c. ; Hook. fl. Bor.- 

 Am. 1. p. 81 ; Torr. ^ Gr. fl. 1. p. 143. V. bicolor, PursJi, fl. I. p. 175 ; Nutt. gen. 1. 

 p. 151 ; Schwein. I. c. V. arvensis. Ell. sk. 1. p. 302. V. tenella, Muhl. cat. p. 25 ; Torr. 

 fl. \. p. 257 ; Le Conte, I. c. 



Plant nearly smooth. Stem somewhat triangular, slender, 3-6-8 inches high, simple 

 and erect, or diffusely branched. Leaves less than an inch long. Peduncles longer than the 

 leaves. Stipules very large. Flowers small : petals pale blue, yellowish towards the base 

 (sometimes none) ; the lateral ones bearded. Capsule smooth, 



Dry hills ; Long Island, &c. May. 



2. SOLEA. Gingins in DC. prodr. 1. p. 306. 



[Named in honor of AV. Soli, author of an css.iy on the genus Mcrtlka.} 



Sepals nearly equal, not auricled. Petals unequal ; the lowest one 2-lobed, and somewhat 

 gibbous at the base ; the rest emarginate. Stamens cohering ; the lowest two bearing a 



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