234 ORDER XVI. YIOLACEJ2. 



6. V. villo'sa, (Wal.) Leaves cordate, obtuse, pubescent, appressed, 

 toothed, with purple veins. Sepals acute or obtuse. Petals villous, 

 lateral ones bearded. — Pale blue 2f . March and April. Sandy soil, 

 common. 



7. V. rotundifo'lia, (Mich.) Leaves orbicular, cordate, somewhat 

 crenate, glabrous. Petiole pubescent. Sepals obtuse. Petals some- 

 times emarginatc, upper ones small, marked with a few browu lines. 

 Spur short. — Yellow. If. May. Mountains. 



8. V. miMULjEFo'LiA, (L.) Leaves oblong, somewhat cordate, serrate. 

 Petioles membra nous. Petals entire, green at the base, lateral ones 

 bearded. Stigma capitate, margined. — White. If. Feb. to April. 

 Common. 2 — 3 inches. 



9. V. lanceola'ta, (L.) Leaves lanceolate, narrow, glabrous, attenu- 

 ate at the base into a long petiole, obtuse, cuneate. Peduncles reddish, 

 of the length of the leaves; divisions of the calyx lanceolate, acute. 

 Petals entire, green at the base, the upper one marked with blue lines; 

 all beardless. — White. If. April — May. Damp places. 3 — 8 inches. 



b. With stems. Stigma convex, not margined. 



10. V. stria'ta, (Ait.) Stem erect, glabrous, nearly terete, branching. 

 Leaves roundish, cordate, acute, serrate, with conspicuous stipules, cili- 

 ate. Septals lanceolate, acuminate, ciliate. Petals entire, upper one 

 marked with blue lines, naked, glabrous, lateral ones bearded. Stigma 

 tubular, recurved. — Yellowish-white. If. April — May. Common in 

 moist places. 6 — 12 inches. 



11. V. Muhlenher'gii, (Torrey.) Stem glabrous, terete, weak, as- 

 Burgent or prostrate. Leaves reni form-cordate, upper ones ovate, cru- 

 ciate. Stipules lanceolate, sub-pinnate, serrate, ciliate. Sepals linear, 

 acute, sub ciliate. Petals without veins, lateral ones bearded, and with 

 the upper one marked with blue lines. Stigma tubular, papillose. — 

 Bluish-purple. If. May. Moist places. 6 — 10 inches. 



12. V. hasta'ta, (Mich.) Stem simple, leafy at the summit, nearly 

 glabrous. Leaves alternate, hastate, with obtuse lobes, and deltoid- 

 lanceolate, slightly serrate, on short petioles. Stipules ovate dentate. 

 Sepals Janee linear ; lateral petals slightly bearded. Stigma hairy on 

 each side, with a furrow on the top. — Yellow. 2f . May. Upper dis- 

 tricts of Georgia, Culloden. First discovered by Dr. James Green. 

 6 — 12 inches. 



13. V. tripartita, (Ell.) Stem hirsute, simple, leafy only at the 

 summit. Leaves deeply 3-parted, the lobes lanceolate, dentate, very 

 hairy sometimes ternate. Stipules villous, lanceolate. Peduncles long, 

 with 2 minute, alternate scales near the middle. Sepals acute, the up- 

 per petal streaked with purple. — Yellow. If. March — April. Upper 

 districts of Geo. 8 — 12 inches. 



14. V. pubes'cens, (Ait.) Stem terete, erect, villous, naked below. 

 Leaves broad ovate, cordate, dentate, on short petioles. Stipules large, 

 ovate dentate. Sepals lanceolate. Petals striate, lateral ones beard- 

 ed. Stigma globose, strongly bearded on each side. — Yellow. If. 

 April — May. Common. 6 — 12 inches. 



15. V. Canadensis, (L.) Stem, erect, terete, nearly glabrous. Leaves 

 broadly cordate, acuminate serrate, nerves pubescent. Stipules entire, 

 membranaceous, oblong, sub-ovate. Sepals subulate, entire. Petals 



