Genus i. 



VIOLET FAMILY, 



555 



24. Viola Selkirkii Pursh. Selkirk's or 

 Great-spurred Violet. Fig. 2946. 



Viola Selkirkii Pursh ; Goldie, Edinb. Phil. Journ. 

 6 : 324. 1822. 



Glabrous except for minute spreading hairs 

 on the upper surface of the leaves; leaves and 

 scapes 2-4' high, usually from a slender root- 

 stock or stolon; blades thin, crenate, ovate to 

 suborbicular, deeply cordate, the basal lobes 

 converging or overlapping, at vernal flowering 

 about i' wide, when mature ii'-i¥ wide; 

 sepals lanceolate or ovate-lanceolate, mostly 

 acute; petals pale violet, all beardless, spur 

 2i"-3i" long, much enlarged toward the 

 rounded end ; peduncles of cleistogamous flow- 

 ers erect or ascending, the capsules short- 

 ellipsoid, dotted with purple, 2"-3" long; 

 seeds small, pale buflf. 



Shaded ravines and cold mountain forests, New 

 Brunswick to Pennsylvania and Minnesota, north 

 to Greenland. April-May. 



25. Viola paliistris L. Marsh Violet. 

 Fig. 2947. 



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



Glabrous, acaulescent ; petioles and scapes arising 

 from a very slender creeping or horizontal rootstock, 

 the flowering scapes mostly exceeding the leaves; 

 blades thin, cordate, broadly ovate, orbicular or 

 reniform, I'-ai' wide, crenulate; stipules ovate, acu- 

 minate ; sepals ovate, obtuse or obtusish ; petals pale 

 lilac streaked with darker veins, or nearly white, 

 4"-6" long, the lateral slightly bearded; spur about 

 i" long, obtuse; stigma not bearded, somewhat 

 beaked ; capsule y-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. 



26. Viola renifolia A. Gray. Kidney- 

 leaved Violet. Fig. 2948. 



V. renifolia A. Gray, Proc. Am. Acad. 8 ; 288. 



1870. 

 Viola blanda var. renifolia A. Gray, Bot. Gaz. 



II : 255. 1886. 



Pubescent throughout, or often nearly gla- 

 brous, especially the upper leaf-surface ; root- 

 stock slender in young plants, arising from 

 short stolons, in old plants often stout and 

 scaly; mature leaves with reniform blades 

 narrowly cordate, distantly crenate-serrate, 

 rounded at the apex, or occasional later 

 leaves ending in a short blunt tip ; sepals nar- 

 rowly lanceolate; petals white, all beardless, 

 the three lower with brownish veins, or often 

 tinged with brown ; capsules ellipsoid, those 

 from cleistogamous flowers purple, on hori- 

 zontal peduncles till ripe ; stolons infrequent, 

 short, often raceme-like, bearing cleistoga- 

 mous flowers. 



Arbor-vitae swamps and cold woods, Newfound- 

 land to Mackenzie River, south to Pennsylvania, 

 Michigan and Minnesota, and in the Rocky 

 Mountains to Colorado. April-May. 



