42 VIOLA.CE.E. (VIOLET FAMILY.) 



1. S. cAiirolor, Ging. (Viola concolor, Pursli, &c.) Woods, New 

 York to Illinois and southward. June. Plant 1- 2 high. Leaves obloug, 

 pointed at both ends, entire. Pod 1' long : after opening, each valve as it dries 

 folds together lengthwise firmly, projecting the large round seeds to a consider- 

 able distance. The same thing occurs in many Violets. 



2. VIOL, A, L. VIOLET. HEART'S-EASE. 



Sepals extended or eared at the base. Petals somewhat unequal, the lower 

 one spurred at the base. Stamens closely surrounding the ovary, often slightly 

 cohering with each other ; the two lower ones bearing spurs which project into 

 the spur of the corolla. (The ancient Latin name of the genus.) 

 * Stemless; the leaves and scapes all from subterranean or prostrate root stocks ; peren- 

 nial. ( Commonly producing apetalous flowers all summer long, on shorter peduncles 

 concealed under the leaves, or on runners : these ripen seed much more freely tlian 

 the ordinary blossoms.) 



t- Flowers light yellow (small ; spur very short). 



1. V. rotund if 'oli a, Michx. (ROUND-LEAVED VIOLET.) Leaves 

 round-ovate, heart-shaped, slightly crenate ; lateral petals bearded and marked 

 with brown lines. Cold woods, Maine to Michigan, and south along the Alle- 

 ghanies. April, May. Smoothish : leaves 1' broad at flowering, increasing to 

 3' or 4' in the summer, then close pressed to the ground, shining above. 



*- - Flowers white ; the lower petals veined with lilac : spur short. 



2. V. lanceolata, L. (LANCE-LEAVED VIOLET.) Smooth; leaves 

 lanceolate, erect, blunt, tapeiing into a long petiole, almost entire ; petals beardless. 

 Damp soil, Maine to Michigan, Kentucky, and southward ; common near the 

 coast. May. 



3. V. primulaefolia, L. (PRIMROSE-LEAVED VIOLET.) Smooth or 

 a little pubescent ; leaves oblong or ovate, abrupt or somewhat heart-shaped at the 

 base; petals often acute, the lateral ones usually sparingly bearded. (V. acuta, 

 Bigelow.} Damp soil ; with No. 2 : intermediate between it and No. 4. 



4. V t>landa, Willd. (SWEET WHITE VIOLET.) Leaves round-heart- 

 shaped or kidney-form, minutely pubescent; petals beardless. Damp places, 

 Maine to Wisconsin and Kentucky. April, May. Flowers small, faintly 

 sweet-scented. 



--- Flowers violet or blue. 



5. V. palustris, L. (MARSH VIOLET.) Smooth; leaves round-heart- 

 shaped and kidney-form, slightly crenate; flowers (small) pale lilac with purple 

 streaks, nearly beardless ; spur very short and obtuse. Alpine summits of the 

 White Mountains, New Hampshire ; June. (Eu.) 



6. V. Selkirk!!, Goldie. (GREAT-SPURRED VIOLET.) Leaves round- 

 heart-shaped with a deep narrowed sinus, hairy above, lying flat on the ground ; 

 spur nearly as Jong as the beardless petals, thickened at the end ; anther-spurs very 

 long. Shaded hills, W. Massachusetts and the adjacent parts of New York, 

 thence northward. May. A rare and delicate species, 2' high; the flowers 

 large in proportion. 



