178 XVII. VIOLACE^l. SOLEA. 



a very short spur. Pine woods, Perm, to Flor. Stem 6 10' high. Peduncles 

 shorter than the leaves. Flowers yellow. May. 



17. V. MUHLENBERGII. Torr. MuMenberg's Violet. 



St. weak, assurgent; Ivs. reniform-cordate, upper ones crenate, rather 

 acuminate ; slip, lanceolate, serrate, ciliate. A spreading, slender species, in 

 swamps, &c., U. S., N. to Lab. Stems branched below, 6 8' long, with large 

 stipules cut into fringe-like serratures. Leaves 6 -10"diam., younger ones in- 

 volute at .base. Petioles longer than the leaves, and shorter than the axillary 

 peduncles. Bracts linear, alternate, on the upper part of the stalk. Petals en- 

 tire, pael purple, the lateral ones bearded. Spur porrected, very obtuse. Stig- 

 ma rostrate. May. 



18. V. ROSTRATA. Beaked Violet. 



Smooth; st. terete, diffuse, erect; Ivs. cordate, roundish, serrate, upper 

 ones acute ; stip. lanceolate, deeply fringed ; pet. beardless ; spur longer than 

 the corolla. A common violet in moist woods, Can. to Ky., well characterized 

 by its long, straight, linear, obtuse nectary, which renders the large flowers 

 similar to those of the larkspur. Stem 6 8' high, branching below. Petioles 

 much longer than the leaves. Stipules almost pinnatifid. Peduncles slender, 

 very long, axillary. Flowers pale blue. May. 



19. V. STRIATA. Ait. (V. ochroleuca. Schw.) Striped Violet. 



Smooth ; st. branching, nearly erect ; Ivs. roundish-ovate, cordate, the up- 

 per ones somewhat acuminate, crenate-serrate ; stip. large, ciliate-dentate, ob- 

 long-lanceolate ; spur somewhat porrected. Wet grounds, U. S. and Can. 

 Stem 6 12' high, half round. Leaves 1 H' wide, on petioles 1 2' long. 

 Stipules conspicuous, laciniate. Peduncles axillary, often much longer than 

 the leaves. Corolla large, yellowish- white or ochroleucous, lateral petals dense- 

 ly bearded, lower one striate with dark purple. Stigma tubular. Jn. 



20. V. ARVENSIS. Ell. (V. tenella. -MM. V. bicolor. Ph. V. tricolor. 

 /?. arvensis. DC.} 



St. 3-angled, erect ; Ivs. orbicular-spatulate, smooth, subdentate, upper 

 ones ovate-spatulate ; stip. foliaceous, pinnatifid, very large ; pet. longer than 

 the calyx, bluish- white. (I) A rare species, though widely dispersed from N. Y. 

 South to Ga., and W. to Mo., on dry hills. Stem pubescent on the angles, 2 4' 

 high. Leaves 3 5" diam., shorter than the petioles, with about 5 obtuse teeth 

 or angles ; cauline ones more narrow, sometimes entire. Stipular segments 

 linear-oblong, as long as the leaves. Peduncles 4-angled, twice longer than 

 the leaves. Petals twice longer (scarcely longer T. $> G.) than sepals, lateral 

 ones bearded, lowest with 5 striae. May. 



i 21. V. TRICOLOR. Tricolored Violet. Pansey. Heart 1 s-ease. St. angular, dif- 

 fuse ; Ivs. oblong-ovate, lower ones ovate-cordate, deeply crenate ; stip. runci- 

 nately pinnatifid or lyrate, the terminal segment as large as the leaves ; spur 

 short, thick. Gardens, where its pretty flowers are earliest in spring, and latest 

 in autumn. Flowers variable in size, the 2 upper (lower) petals purple, the 2 

 lateral white and with the lower, striate, all yellow at base, f 



22. V. GRANDIFLORA. Great Purple Violet. St. 3-cornered, simple, procum- 

 bent; Ivs. ovate-oblong, crenate, shorter than the peduncles ; stip. lyrate-pinnati- 

 fid ; fls. large. Native of Switzerland. A large and beautiful species, with 

 dark purple flowers, 1 2' diam. Whole plant smooth, 612' long. Stipules 

 J 1' long. Flowering all seasons but winter, f 



2. SOLEA. Gingins. 



Sepals nearly equal, not auriculate ; petals unequal, the lowest 2- 

 lobed and gibbous at base, the rest emarginate ; stamens cohering, 

 the lowest 2 bearing a gland above the middle ; capsule surrounded 

 at base by the concave torus ; seeds 6 8, very large. n\. Lvs. cau- 

 line, alternate. 



S. CONCOLOR. Gingins. (Viola concolor. Ph.) Green Violet. 



A strictly erect plant, in woods, Western N. Y. to Mo., S. to Car. Stem 



