YIOLA. XVII. YIOLACE^B. 177 



. 



* * Acaulescent. Flowers white. 



10. V. BLANDA. Wild. (V. clandestine Ph. Y. araoena, Le Conte.) 

 Bland or Sweet-scented Violet. 



Lvs. cordate, slightly pubescent ; petiole pubescent ; fls. white. Found in 

 meadows, Can. to Penn. The rhizoma is slender and creeping. Leaves close to 

 the earth, nearly round, cordate or ovate, and sometimes with a rounded sinus 

 so as to appear reniform. Petioles half round. Peduncles sub-4-sided, longer 

 than the leaves. Petals white, greenish at base, upper and lateral ones marked 

 with" a few blue lines, generally beardless. ' Fls. small, fragrant May. 



11. Y. LANCEOLATA, Lance-leaved Violet. 



Lvs. smooth, lanceolate, narrowed at base into the petiole, obtusish, sub- 

 crenate. Found in wet meadows, Can. to Tex. Ehizoma creeping. Leaves very 

 narrow, and, with the stalk, 3 5' long. Petioles half round. Peduncles sub-4- 

 sided. Petals white, greenish at base, upper and lateral ones marked with blue 

 lines, generally beardless. Flowers small. May. 



12. Y. PRIMULJSFOLTA. Primrose Violet. 



Lvs. lance-ovate, abruptly decurrent at base; bracts lance-linear; pet. 

 acute, nearly equal, beardless. Found in damp soils, Mass, to Ky. Rhizoma 

 creeping. Leaves sometimes subcordate, rather obtuse, mostly smooth, longer 

 than their stalks. Petals obovate, acute flat, marked with purple lines at base, 

 generally beardless, as long as the bracts. Flowers small, white, on sub-4-sided 

 stalks. May in N. Eng. 



(3. acuta. T. & G-. (Y. acuta. Bw.) Smooth ; Ivs. ovate ; pet. acute, lateral ones 

 nearly beardless. Mass. 



* * * Acaulescent. Flowers yellow. 



13. V. ROTUNDIFOLIA. Michx. Rmind-leaved Violet. 



L/vs. orbicular-ovate, cordate, slightly serrate, nearly smooth, with the 

 sinus closed ; petiole pubescent ; cal. obtuse. -A small yellow violet, found in 

 woods, N. Eng. to Tenn. Leaves nearly round, with a deep, narrow sinus at 

 base, obscurely and remotely serrated. Yeins and petioles pubescent. Pedun- 

 cles as long as the claws, sub-4-sided, bracted in the middle. Petals yellow, 

 marked at base with brown lines. Flowers small. 

 **** Caulescent. 



14. V. CANADENSIS. Canadian Violet. 



Smooth ; Ivs. cordate, acuminate, serrate ; ped. shorter than the leaves ; 

 slip, short, entire. A large species, found in woods, British Am. to Car., often 

 a foot in height. Stem subsimple, terete, with lance-ovate, membranaceous 

 stipules. Leaves alternate, the lower on very long petioles, acute or obtuse. 

 Peduncles sub-4-sided, terminal, with minute bracts. Flowers large, nearly 

 regular. Petals white or light blue, yellowish at base, the upper ones purple 

 without and marked with blue lines, lateral ones bearded. Flowering all 

 summer. 



15. V. PUBEecENs. Ait. Common Yellow Violet. 

 Villous-pubescent ; st. er*ect, naked below ; Ivs. broad-cordate, toothed ; 



slip, ovate, subdentate. A large yellow violet, found in dry, stony woods, Can. 

 to Ga. and Mo. Root fibrous. Stem simple, more or less pubescent, somewhat 

 triangular and fleshy, bearing a few leaves at the top, leafless below. Leaves 

 broad-ovate, cordate, or deltoid ; obscurely dentate, obtuse, on short stalks. Sti- 

 pules large, ovate, wavy.. Flower-stalks rather shorter than leaves, downy, ax- 

 illary, solitary, with 2 subulate bracts. Petals yellow, lateral ones bearded, and 

 with the upper one marked with a few brown lines. The plant varies in pu- 

 bescence, sometimes even glabrous. Height very variable, 5 20'. May Jn. 



/?. eriocarpa. Nutt. (V. eriocarpa. Schw.) Capsule densely villose. 



y. scabriuscula. T. & G. (V. scabriuscula. Schw.} St. decumbent, branch- 

 ing irom the root, and with the smaller leaves somewhat scabrous. 

 16 V. HASTATA. Michx. 



Smooth, simple, erect, leafy above; Ivs. deltoid-lanceolate, hastate 31 

 broadly ovate-acuminate, dentate ; stip. ovate, minute, ciliate, dentate ; lower 

 pet. dilated, obscurely 3-1 obed, lateral ones slightly bearded; sep. lanceolate, with 



