122 



PENTANDRIA, MONOGYNIA. 



/S cordifoiia. 7; V. leaves small, cordate, acute, crenately serrate, 

 flat with a very small sinus, hirsutely pubescent 

 above, smooth beneath ; scape always longer 

 than the flowering leaves, segments of the calix 

 smooth, short, rather obtuse, scarcely produced 

 at the base; petals short, obovate, — the 2 late- 

 ral and the lower thinly bearded, multistriate. — 

 Leaves thickish, almost of an equal length and 

 breadth, elegantly cordate and subacute, mostly 

 incumbent on the ground, about an inch long, 

 and equally broad; stipules minute, subulate; 

 segments of the calix short and narrow, some- 

 what oblong; petals rosaceous blue; capsule 

 . smooth, stigma small, rostrate and depressed, 

 not margined all round. — Nutt. 

 V. villosa, (9 cordifolia, Nutt. Gen. Am. PI. vol. 1. 

 p. 148. 



About three or four inches high. In dry woods on the banks 

 of the Schuylkill, frequent. May. 



.otundifoiia. 8. V. leaves orbicular cordate, slightly toothed, 

 glabrous; petioles pubescent; calix obtuse; 

 flowers yellow. — Mich, 

 V. rotundifolia, Mich. 

 Not identical with Pursh's V. clandestina. 



Plant small when in flower. Leaves large, thick andadpressed 

 to the ground. Flowers pale yellow. This very rare species 

 grows on the dark, shady, hilly borders of the Wissahickon 

 creek, north side, not far from Germantown. It is found ge- 

 nerally at the roots, and under the deep shade of Abies Cana- 

 densis, so abundant on that secluded and romantic part of 

 the creek. Perennial. April. 



bianda. 9. V. leaves nearly smooth, or slightly pubescent 

 on the upper side, petiole and under side entirely 

 glabrous, nerves pinnate, also smooth ; flowers 

 white, and odorous, segments of the calix linear- 

 oblong, obtuse ; stigma capitate, depressed, re- 

 curved, acutely margined around, petals all 

 smooth. — Nutt, 



