VjoLA. VIOLACE^. 141 



and rather acute, sometimes nearly twice the length of the petals. Appen- 

 dages of the anthers filiform, extending nearly the entire length of the spur. 



19. V. adunca (Smith) : stem ascending, somewhat simple ; leaves ovate 

 and cordate-ovate, coriaceous, crenate, covered with distinct brown dots ; sti- 

 pules lanceolate, acuminate, dentate-ciliate; stigma somewhat rcHexed, gla- 

 brous; sepals linear-lanceolate; petals scarcely longer than the spur, two of 

 them bearded ; peduncles much longer than the leaves. Smith, in Rees, 

 cycL; Hook.ji. Bar. -Am. !./>. 79. 



North-west coast, Menzies, Douglas. — Leaves of a dusky hue. Flow- 

 ers deep purple-blue. Spur obtuse, straight or uncinate. Hook. 



§ 2. Stigma capitate, bearing a ttift of hairs on each side, icith a mi- 

 nute somewhat lateral foramen: style compressed, clavate: stajnens 

 oblong, approximate: torus rather Jlat: capsule often triangular. 

 Gingins. 



20. V. Nuttallii (Pursh): stem erect; leaves ovate-lanceolate, some- 

 what pubescent or nearly glabrous, undivided, nearly entire, attenuated into 

 a long petiole ; stipules lanceolate, entire ; sepals lanceolate, acuminate ; 

 petals ovate-lanceolate ; spur very short ; peduncles shorter than the leaves. — 

 Pursh, f. l.p. 174; Schwein. ! I.e.; DC.prodr. 1. p. 300; Le Conte! I. 

 c. ; Hook.ji. Bor.-Am. 1. p. 9. t. 26; Nutt.! in jour. acad. Philad. l.p. 16. 



Sandy plains of the Missouri, Nutt all ! Saskatchawan, Drummond; 

 sources of the Oregon, Mr. Wyeth ! — Rhizoma ascending. Stems nume- 

 rous, short. Leaves sometimes obscurely sinuate-toothed. Flovv'ers small, 

 pale yellow. " Pubescence of the depressed stigma very minute." Nutt. 



21. V. lingucefolia (Nutt. mss.) : "pubescent ; stem scarcely any ; leaves 

 oblong-lanceolate, somewhat serrate, on very long petioles ; bracts of the 

 peduncles minute ; stigma thick and clavate, with scarcely any beak; sepals 

 long and narrow, linear ; petals linear-oblong, somewhat emarginate. 



" Kamas Prairie, near the sources of the Oregon, Mr. Wyeth. — Flowers 

 yellow, larger than in the preceding. Intermediate between V. Nuttallii and 

 the succeeding species." Nuitatl. 



22. V. prcsmorsa (Doug].): hirsute or very pubescent; stems erect, short; 

 leaves ovate-lanceolate, repandly denticulate or nearly entire ; stipules lance- 

 olate, entire; stigma clavate-capitate, conspicuously pubescent above, mi- 

 nutely beaked ; petals obovate ; spur very short ; peduncles longer than the 

 leaves.— Lindl. in bot. reg. t. 1254 ; Hook. ! ft. Bor.-Am. 1. p. 80. 



Dry plains of the Oregon, and on the Wahlamet, Nuttall ! Douglas. 

 Fort Vancouver, Dr. Scolder ! Plant 6 inches high, usually densely hir- 

 sute with short spreading hairs. Flowers rather large, yellow, on peduncles 

 which are mostly shorter than the leaves. Lower petal emarginate, veined 

 with brown. 



23. V. pedunculata : somewhat pubescent ; stem short ; leaves rhombic- 

 ovate, crenately toothed, abruptly narrowed at the base into a petiole; stipules 

 linear-lanceolate, entire ; stigma somewhat triangular, emarginate ; spur very 

 short ; appendages of the inferior stamens wing-form, a little produced at the 

 base. 



California, Douglas! — Lamina of the leaves scarcely an inch long, rather 

 thick, with coarse obtuse teeth. Peduncles 2-3 times as long as the leaves. 

 Flower large, deep yellow. Sepals oblong, obtuse. Petals broadly obovate ; 

 the 2 upper ones with conspicuous claws ; lateral ones bearded at the base. 

 Summit of the filaments rounded. Stigma with a minute lip on the lower 

 edge. 



21. V. hastata (Michx.): nearly glabrous; stem simple, erect; leaves 



