PENTANDRIA, MONOGYNIA. 
121 
rizontally, distinctly margined around. Flowers 
of a fine deep blue. — Nutt. 
V. sagittata, emarginata, Nutt. Gen. Am. pi. p. 147. 
In sandy fields of Jersey, and on the banks of the Schuylkill, 
every where frequent. Perennial. May. 
4. V. leaves ovate, subcordate, crenate, rather acute, ovata. 
often lacerately toothed at the base, equally, and, 
for the most part, conspicuously pubescent on 
either side, petiole marginated ; scape shorter than 
the leaves ; segments of the calix subciliate ; pe- 
tals obovate, the two lateral ones bearded.- — Nutt* 
V. ovata, Nutt. Gen. Am. pi. vol. 1. p. 148. 
V. primulifolia, Pursh, not of L. 
A small species, frequently occurring on the high rocks bor- 
dering the Schuylkill, towards the falls, and in the sandy fields 
of Jersey. Corolla fine bright blue. Perennial. April, May. 
5. V. smooth, leaves reniform-cordate, acute, sinu- cucuiiata. 
ously serrate, cucullate at the base ; peduncle often 
as long as the leaf ; lateral petals bearded.— 
This is the commonest species, being found every where, in 
meadow grounds, near rivulets, and other damp places. Flow- 
ers purplish-blue, white at the base of the petals. Perennial. 
April till June. 
6. V. leaves roundish-cordate, crenate-serrate, ob- viiiosa. 
tuse, upper side almost hirsutely pubescent, under 
side smooth, peduncle about the length of the 
flowering leaves, petals oblong, the lateral and 
lowest one bearded. — Leaves rather thick, mostly 
incumbent on the ground, often purplish on the 
under side. — Nutt. 
V. villosa, Walt* and Elliot. 
V. sororia, Willd. Hort. Berol. 1. t. 72. 
In dry woods on the Schuylkill and in Jersey, not rare. Pe- 
rennial. May. 
12 
