178 XVII. VnLAOMJ. SOLEA. 



a very short spur. Pine woods, Penn. to FW. Stem 6 10' high. Peduncles 

 shorter than the leaves. Flowers yellow. May. 



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



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

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

 swamps, &c., U. S., N. to Lab. Stems branched bejow, 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 - f 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 Icng, straight, linear, obtuse nectary, which renders the large flowers 

 similar to those of the larkspur. Stem 68' 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. Schiv.} 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 !' wide, on petioles 1 % 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 slriate with dark purple. Stigma tubular. Jn. 



20. V. ARVENSIS. Ell. (V. tenella. Muhl. V. tricolor. Ph. V. tricolor. 

 0. 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. @ 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 35" 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. fy Or.) than sepals, lateral 

 ones bearded, lowest with 5 striae. May. 



21. V. TRICOLOR. Tricolored Violet. Pansey. Hearts-ease. St. angular, dif- 

 fuse ; Ivs. oblong-ovate, lower ones ovate-cordate, deeply crenate ; slip, 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 uppe? (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; j?s. large. Native of Switzerland. A large and beautiful species, with 

 dark purple flowers, 1 2' diam. Whole plant smooth, 6 12' long. Stipules 

 i 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. % Lvs. can- 

 line, alternate. 



S. COKCOLOB. Gingins. (Viola concolor. PA.) Green Violet. 



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



