VIOLACE^E. 27 



5. V. pedatif Ida, G. Don. Very much like the last, but 

 the flowers are smaller and of a deeper blue, and the stigma 

 is beaked. Prairies, N. W. 



6. V. Selkirk'!!, Pursh. (GREAT-SPURRED V.) A small 

 and delicate plant, distinguished by the slender root-stock, 

 and the very large spur, thickened at the end. The pale 

 violet petals also are beardless. Damp, shady places. 



7. V. palustris, L. (MARSH V.) Very similar in foliage, 

 etc., to No. 1, but the flowers are pale lilac, and the root- 

 stock is jointed. Wet swamps amongst moss. 



8. V. palma'ta, L. (COMMON BLUE V.) Leaves on very 

 long petioles, cordate or reniform, the sides folded inwards 

 when young, the later ones variously lobed or parted. Lateral 

 petals bearded. Spur short and thick Low grounds every- 

 where. 



Var. eueulla'ta, Gray, has the later leaves merely cre- 

 nate. 



9. V. Odora'ta, L. (ENGLISH SWEET V.) has escaped from 

 gardens in some places. Flowers very fragrant. 



10. V. sagitta'ta, Ait. (ARROW-LEAVED V.) Smoothish, 

 Leaves cordate, halberd-shaped, or sagittate, slightly 

 toothed, the first ones on short and margined petioles. Side- 

 petals bearded. Dry hill-sides and old pastures. 



---- Flowers yellow. 



11. V. rotundifo'lia, Michx. (BOUND-LEAVED V.) Leaves 

 round-ovate, cordate, repand-crenulate, about an inch wide 

 at flowering, increasing later to 3 or 4 inches, and then flat 

 on the ground, shining above. Lateral petals bearded and 

 marked with brown lines. Spur very short. Cold woods, 

 chiefly eastward. 



* * Leafy -stemmed Violets. 

 t- Flowers yellow. 



12. V. pubes'eens, Ait. (DOWNY YELLOW V.) Plant 

 downy, 6-12 inches high. Leaves broadly cordate, coarsely 

 serrate ; stipules large, entire. Lower petals veined with 

 purple. Spur very short. Rich woods. 



