Jan., 1913.] The Violets of Ohio. 59 



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 18 



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 23 



Spurred petal glabrous; flowers, violet to lavender. V. sororia (18). 

 Spurred petal with scattered hairs; petals reddish purple. 



V. hirsutiila (17). 

 Leaves ovate or ovate-lanceolate not incised at tlie base. 



V.fimbriatula (22). 

 Leaves sagittate or ovate-sagittate, incised or deeply dentate toward 



the base. 20. 

 Leaves sagittate-lanceolate or ovate-sagittate; basal lobes often 



dilated and incised. V. sagittata (23). 

 Leaves deltoid sagittate, sharply dentate below the middle. 



V. emarginata (21). 

 Leaves sagittate-lanceolate or ovate-lanceolate in outline, only slightly 



lobed at the base. V. sagittata (23). 

 Leaves ovate or orbicular in outline usually deeply lobed or 



dissected. 22. 

 Lateral petals bearded; stigma with a conical beak on the lower 



side. 23. 

 Lateral petals not bearded; style club-shaped and beakless; stamen 



tips conspicuous orange. V. pedata (24). 

 Plants more or less pubescent; leaves mostly 3-9 lobed. V. palmata (19). 

 Plants glabrous or only slightly pubescent; leaves pedately divided 



into linear lobes. V. pedatifida (20). 



1. Viola canadensis L. Canada Violet. Stem leafy, 4 — 16 in. 

 high; leaves cordate-ovate, acute, serrate 1 — 4 in. long, | — 3f in. 

 broad; stipules small, lanceolate, entire; flowers, pale violet or 

 white with pttrple veins, lateral petals bearded. Lake, Medina, 

 Coltiml3iana, Jefferson, Coshocton, Belmont, Gallia, Muskingum, 

 Fairfield, Clennont, Hamilton, Huron Co. 



2. Viola scabriuscula (F. & G.) Schw. Smooth Yellow Violet. 

 Plant 3-11 in. high; stems thick and leafy; leaves l\-2\ in. long, 

 1-2 in. broad, renifomi to cordate-ovate, acute crenate-dentate ; 

 stipules, small, entire; flowers pale yellow. Common in Ohio. 



3. Viola pubescens. Ait. Hairy Yellow Violet. Plant 6-1(3 

 in. high, hairy; leaves ovate or reniform, acute, crenate-dentate, 

 li-2| in. long, 1-2 in. wide, petioles very short; flower 3^ellow, 

 purple veined with short spur and lateral petals bearded; capsule 

 \-\ in. long, glabrous or wooly; stipules ovate, entire. Ashtabula, 

 Lake, Medina, Stark, Wayne, Huron, Richland, Crawford, 

 Ottawa, Wood, Hancock, Wyandot, Morrow, Hardin, Franklin, 

 Fairfield, Warren and Pike Co. 



4. Viola hastata. Michx. Halbert-leaf Violet. Stem slender, 

 erect, leaves and flowers borne near the top, 2-7 in. tall; leaves 

 short petioled, hastate to hastate-ovate, slightly serrate, acute 

 l-2f in. long, f-l| in. broad; flowers yellow. Lake, Cuyahoga, 

 Portage, Columbiana, Belmont Co. 



5. Viola striata. Ait. Striped Violet. Plant 3-22 in. high, 

 stem slender, leafy; leaves heart-shaped, crenate-dentate, some- 

 times acute, f-2f in. long, |-lf in. wide; stipules, large, oblong, 

 lanceolate, attentuate, |-1 in. long; flowers white with thick 

 spurs, somewhat shorter than petals. Common in Ohio. 



