450 



VIOLACEAE. 



[You II. 



12. Viola palustris L. Marsh Violet. 

 (Fig. 2495.) 



Viola palustris L,. Sp. PI. 934. 1753. 



Glabrous, acaulescent. Petioles and scapes aris- 

 ing from a very slender creeping or horizontal root- 

 stock, the flowering scapes mostly exceeding the 

 leaves; blades thin, cordate, broadly ovate, orbi- 

 cular or reniform, I'-z^' wide, crenulate; stipules 

 ovate, acuminate; sepals ovate, obtuse or obtusish; 

 petals pale lilac streaked with darker veins, or 

 nearly white, 4 // -6 // long, slightly bearded; spur 

 about \" long, obtuse; stigma not bearded, some- 

 what beaked; capsule 3 // -4 // long. 



In wet or moist soil, Labrador to Alaska, south to the 

 mountains of New England, in the Rocky Mountains 

 to Colorado, and to Washington. Also in Europe and 

 Asia. May-July. 



13. Viola Selkirkii Pursh. Selkirk's 

 Violet. (Fig. 2496.) 



Viola Se Ikirkii Pursh; Goldie, Edinb. Phil. Journ. 



6: 324. 1822. 



Glabrous or nearly so, dark green, the leaves 

 and scapes erect or ascending from a slenderer 

 almost filiform creeping or horizontal rootstock. 

 Flowering scapes i#'-4' high; petioles longer 

 than the blades; blades thin, %'-*' wide, broad- 

 ly ovate to nearly orbicular, deeply cordate, cre- 

 nate, the apex short-acute or obtuse, the basal 

 auricles rounded, often overlapping, the upper 

 surface sparingly beset with short hairs near the 

 margin; sepals lanceolate or ovate-lanceolate, 

 acute or acutish; spur 2^ // -4 / ' long, obtuse; 

 petals pale violet, beardless; capsules 2 // ~3 // 

 long, those from the late cleistogamous flowers 

 on apparently ascending peduncles. 



In woods, preferring moist soil, Nova Scotia to 

 Minnesota, Massachusetts and Pennsylvania. Also in northern Europe and Asia. April-May. 



14. Viola blanda Willd. Sweet White Violet. (Fig. 2497.) 



/ 'tola blanda Willd. Hort. Berol. pi. 24. 1806. 



Acaulescent, glabrous or slightly pubes- 

 cent. Rootstock very slender. Flower- 

 ing scapes i '-6' high, often longer than 

 the leaves; petioles slender, mostly longer 

 than the blades; blades broadly ovate, 

 orbicular, or some of them reniform, thin, 

 ^'-2^' wide, crenate, cordate, the apex 

 obtuse or rounded; sepals lanceolate, 

 acute or acuminate; flowers fragrant, 

 white, 3 // -6 // broad; sepals lanceolate; 

 lower and lateral petals purple-veined, 

 beardless or nearly so; capsules oval. 



In swamps and wet meadows, rarely in dry 

 situations, Newfoundland to British Colum- 

 bia, North Carolina and California. Stolons 

 slender, usually sparingly developed, the 

 apetalous flowers usually few. April-May. 

 Viola blanda amoina (LeConte) B.S.P. Prel. 



Cat. N. Y. 6. 1888. 

 Viola amoena LeConte, Ann. Lye. N. Y. 2: 



144. 1825. 

 Viola blanda var. palustriformis A. Gray, 



Bot. Gaz. ii : 255. 1886. 

 Leaves larger, usually with scattered hairs on the upper surface, at least when young, ovate; 

 petioles flecked with red, usually longer. In wet woods, in hilly or mountainous districts. 



