VIOLACEAE (violet FAMILY) 323 



13. Viola bellidifolia Greene, Pitt. 4: 292. 1901. Dwarf and tufted,- ap- 

 pearing as if acaulescent, only 4-7 cm. high, glabrous: leaves more or less 

 succulent, ovate to subcordate, 5-10 mm. long, on rather long petioles,' 

 entire or crenate: peduncles nmnerous, from shorter than the leaves to much 

 surpassing them: sepals oblong-lanceolate, acute: corolla less than 1 cm. long, 

 the spur relatively long, violet-purple above, lighterbelow with purple veins. 

 (V. demissa Greene, Pi.' Baker.' 3: 10. 19010 — Subalpine; Colorado and 

 Wyoming. 



14. Viola adunca Smith, in Rees dycl. 37: pi. 63. 1802-20. Glabrous or 

 nearly so, 1-3 dm. high, tardily stoloniferous with cleistogamous flowers: 

 leaves ovate, more or less cordate at base, obscurely crenate, 1-4 cm. long: 

 peduncles usually surpassing the leaves: flowers violet to purple, or almost 

 white: petals 10-15 mm. long, the lateral ones bearded; spur as long as the 

 sepals, rather slender, somewhat curved or hooked. — Probably coming into 

 our range from the northwest. 



14a. Viola adunca longipes (Nutt.) Rydb. Mem. N. Y. Bot. Gard. 1: 163. 

 1900. Quite glabrous, the long-peduncled, dark purple flowers with a short, 

 straight, thick spur. — In, mountains from, northwestern Colorado through Utah 

 and Wyoming to Montana. 



15. Viola odontophora Rydb. Mem. N. Y. Bot. Gard. 1: 164. 1900. The 

 slender woody branches of the caudex from a woody taproot: stems several, 

 slender, with a fine puberulence or nearly glabrous, 6-15 cm. long, quite 

 leafy: leaves crenate, ovate or ovate-trigonous, obtuse or acute, truncate or 

 subcordate at base, sparsely puberulent on both faces or glabrate, 15-25 mm. 

 long; petioles glabrous, slender, 2-5 cm. long: peduncles about equaling or 

 sometime surpassing the leaves: sepals lanceolate, glabrous: petals purple or 

 violet, the lateral ones bearded; the spur half as long as the petals, often 

 somewhat inflated at the tip, occasionally with an inconspicuous lateral 

 tooth. — Moist loamy banks; Colorado to Montana. 



16. Viola montanensis Rydb. Mem. N. Y. Bot. Gard. 1: 263. 1900. Roqt- 

 stock; slender, woody: stems sleiiier, 1-2 dm. high, subscabrous with sparse, 

 short, reflexed hairs: stipules linear-lanceolate: petals blue or violet, with 

 yellowish-white base and spur: capsule ovoid. (F. retroscabra Greene, Pitt. 

 4: 290. 1901; V. inamoena Greene, PL Baker. 3: 11. 1901.)— From Montana 

 to Colorado. 



17. Viola subvestita Greene, Erythea 5: 39. 1897. Finely puberulent 

 throughout, subpaespitose, 4-7 cm. high: leaves broadly ovate, usually sub- 

 cordatCj 1-2 cm. long: peduncles scarcely longer than the leaves: flowers 

 small, hght blue; spin* half as long as the petals. {V. vwntieola Rydb. Mem. 

 N. Y. Bot. Gard. 1: 264. 1900.) — ^Across the continent through northern 

 Wyoming and Montana. 



18. Viola Rafinesquii Greene, Pitt. 4: 9. 1899. Stems slender, glabrous, 

 6-15 cm. long: leaves oblong-lanceolate to ovate, entire or crenate-dentate, 

 1-2 cm. long; stipules leaf-like, pinnatifid or laciniate: sepala linear, nearly as 

 long as the small, bluish or yellowish- white, sometimes piuple-spotted petals. 

 Wild Pansy. — Colorado and eastward. 



I 



2. HYBAKTHUS Jacq. , . j,, : 



Low herbs or suffrutipose plants, with alternate or opposite leaves and 

 solitary, axillary peduncles. Sepals more or less unequal, not auricled. Petals 

 very unequal; the two upper shorter; the lower one Very large, with dilated, 

 more or less gibbous or concave claw. Stamens approximate, the anterior 

 ones each furnished with a nectariferous gland at the baSe. Capsules and 

 seeds much as in Viola. — lonidium Vent. 



1. Hybanthus verticillata (Ort.) A. Nels. Somewhat pubescent, stem 

 branched: leaves opposite or more rarely alternate, entire or remotely serru- 

 late; the lower from lanceolate to oblong or obovate; the upper linear, obtuse 

 or acuto, nsnally 3-4 jtimps as long as the linear stipules; neduncles slender, 



