Viola. VIOLACEi^. 143 



ones with a purple spot below the middle, slightly bearded on the elaw. 

 Style much attenuated downward : stigma strongly bearded on each side. 



29. V. Canadesnis (Linn.) : nearly glabrous ; leaves broadly cordate, 

 acuminate, serrate, the nerves pubescent; stipules ovate-lanceolate, entire; 

 peduncles shorter than the leaves ; sepals subulate ; petals elliptical-oblong ; 

 spur verv short, saccate; capsule very obtuse. — Pursh ! Ji. 1. p. 174; 

 Schwein'.! i.e.; Torr. ! Jl. l.p. 255; DC. prodr. 1. p. 301; Le Conte, I. 

 c; Hook. Jl. Bor.-Am. 1. /;. 80. 



0. corymbosa (Nutt. ! mss.): flowers 5-6, somewhat corymbosely fasti- 

 giate, sometimes white. 



Shady woods, generally in mountainous districts, Hudson's Bay ! to Caro- 

 lina! and west to the Pacific, ff. Woods, Alabama, Nut tall ! May-July. — 

 Stem from (5 inches to 2 feet high, nearly simple. Flowers middle-sized. 

 Petals only slightly twisted, pale within, violet externally; lateral ones beard- 

 ed. Seeds roundish-ovate, brown. 



30. V. .<!armentosa (DougL) stems creeping, filiform ; stolons floriferous ; 

 leaves cordate, with the sinus open, crenate, somewhat pubescent above, 

 glabrous and punctate beneath ; style rather slender ; appendages of the an- 

 thers somewhat produced ; peduncles about as long as the leaves ; spur very 

 short.— Hook. Jl. Bor.-Am. ].p. 80. 



Hilly wooded places, N. W. America, Douglas ; pine woods of the Ore- 

 gon near the junction of the Wahlamet, NuttaU ! and near Wallawallah, 

 Mr. Towns end ! — Leaves about ^ of an inch in diameter ; the petiole longer 

 than the lamina. Flowers yellow : petals oblong-obovate, entire ; lateral petals 

 slightly bearded. 



31. V. chrysantha (Hook.) : somewhat pubescent ; stems csespitose, 

 short ; leaves bipinnatifid ; segments linear ; sepals ciliate; inferior petal with- 

 out a spur. — Hook. ! ic. t. 49. 



Monterey, California, Douglas ! — Stems partly subterranean, several in a 

 cluster from one root. Leaves on long petioles ; the segments very narrow 

 and rather acute. Stipules linear lanceolate, entire. Peduncles rather longer 

 than the leaves. Flowers very large : petals broadly obovate, glabrous ; the 

 2 superior ones purpHsh; the others bright yellow with dark lines at the 

 base ; inferior one slightly saccate at the base. Upper part of the filaments 

 broad and rounded : appendages dorsal, wing-like, not produced at the base. 

 Style clavate, curved: stigma obtuse, slightly hairy below the summit. 



§ 3. Stigma urceolate, hairy on each side ; aperture large, Jumished 

 with a lip on one side : style attenuated downward : ovary partly im- 

 mersed in the concave torus : seeds very numerous. — Gingins. 



32. V. tricolor (Linn.): root somewhat fusiform; stems branching, dif- 

 fused; lower leaves ovate, cordate ; stipules runcinately pinnatifid, the mid- 

 dle lobe crenate ; petals with short claws ; spur thick, obtuse, not produced ; 

 appendages short; seeds oblong-ovate. DC. prodr. 1. p. 303. 



K. arven.'iis (DC): annual; stems assurgent ; upper leaves spatulate- 

 ovate ; petals scarcely longer than the calyx, yelloAvish, blue, or spotted with 

 purple. DC. I.e. ; Hook. Jl. Bor.-Am. 1. p. 81. V. hkoXor, Pursh ! Jl. 1. 

 p. 175 ; Nutt. gen. 1. p. 151 ; Schwein. ! I. c. V. arvensis. Ell. sk. 1. v. 302. 

 V. tenella, Muhl. ! eat. p. 25 ; Torr. ! ft. 1. p. 257 ; Le Conte ! I. c! 



Dry rocky hills New-York ! to Georgia, Missouri, and Arkansas ! May. — 

 Plant nearly glabrous. Stem somewhat triangular. Stipules very large. 

 Petals pale blue, yellowish towards the base (sometimes none); lateral ones 

 bearded. Capsule glabrous. 



