Viola 



VlOLACEAE 



687 



flowers, having all of the petals of the same color. This form is rather rare 

 in Indiana. 



2. Viola pedatifida Don. Prairie Violet. Map 1434. In dry prairies 

 and open woodland. Very rare. 



Prairies from Ohio to Sask., southwestw. to N. Mex. and Ariz. 



2a. Viola pedatifida X sororia Brainerd. From Warren and White 

 Counties. 



3. Viola triloba Schwein. Three-lobed Violet. Map 1435. Rather 

 frequent in the southern part of the state, becoming infrequent or absent 

 in the northern part. No doubt many of the reports for Viola palmata 

 should be referred to this species. In rich, dry woods, usually found in 

 beech and sugar maple, beech and oak, and black oak and white oak 

 woodland. 



Vt. and N. Y. to Ind., southw. along the mts. to Ga. and Ala. 



3a. Viola triloba var. dilatata (Ell.) Brainerd. A form in which the 

 pedately cut leaves have more numerous and deeper incisions. I have it 

 from Brown, Harrison, Lawrence, Monroe, and Sullivan Counties. 



Mo., eastw. to Ind. and the coast and southw. to Fla. and La. 



4. Viola cucullata Ait. Marsh Blue Violet. Map 1436. In tamarack 

 bogs and marshy places in the lake area and in springy places and on 

 wet, rocky ledges in southern Indiana. Rather rare. Most of the many 

 reports for this species should be referred to other species. 



In cold bogs and springs from Que. and Ont, southw. to Ga. 



4a. X Viola festata House. (Viola cucullata X sagittata Brainerd.) 1 

 have this hybrid from Lagrange County. 



5. Viola missouriensis Greene. Map 1437. In wet, hard, white, and 

 slightly acid clay soil, either in woodland with sweet gum or in the open 

 on sweet gum land ; less frequent in wet woodland and springy places. In- 



