122 
PENTANDRIA, MONOGYNIA. 
/3 cordifolia. 7, Y, 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- i 
what oblong; petals rosaceous blue; capsule | 
smooth, stigma small, rostrate and depressed, 
not margined all round. — 
V. villosa, /3 cordifoliaj 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. 
lotundifoiia. 8. V. leaves orbicular cordate, slightly toothed, 
glabrous; petioles pubescent; calix obtuse; 
flowers yellow. — Mich* 
V. rotundifolia, Mich. 
Not identical with PurslPs 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. 
Wanda. 9. V. Icavcs nearly smootli, or slightly pubescent 
on the upper side, petiole and under side entirely 
glabrous, nerves pinnate, also smootli ; flowers 
white, and odorous, segments of the calix linear- 
oblong, obtuse ; stigma capitate, depressed, re- 
curved, acutely margined around, petals all 
smooth. — 
