82 
G. AMPftlCARPA. 
Pod compressed round acute, one seed lenticu- 
lar, Peduucles biflore bibractate , flowers yel- 
low, pods hiding in the ground . which the 
name implies. Annuals. 
The 3 Genera have twining or flexucse stems, 
and stipu ate trifoliate leaves, roots creeping 
flowers estival. 
1. Amphicarpa villosa Raf. Gl. comoscll 
L, Sec . . . Twining, stem and leaves hairy, fo- 
lioles subequal ovate oblong acute soft, the lat- 
eral obliqual : racemes short 5-9flowered, bracts 
ovate acute striate, Calix hairy— In Alabama 
and Mississipi. Folioles uncial equal to petiols, 
flowers white tiptwith purple. Linneus having 
only said of his Gl. comosa , leaves hirsute , ra- 
cemes small lateral, flowers blue, seeds with 
purple spots : it is impossible to identify it. 
Torrey, Beck and Elliot omit it ; while Nuttal 
deems it the real type of GL monoica. My des- 
criptions and specimens will fix my sp. to which 
1 give new names to avoid ambiguity. 
2. Amph. ciliata Raf. stem twining filiform 
round with reflexed hairs, leaves on long peti- 
ols, smooth but ciliate, folioles unequal, lateral 
sessile obliqual trapezoidal, medial petiolate 
rhomboidal rounded acute: raceme elongate 
equal to petiols, peduncled and multiflore, 
bracts obovate obtuse biflore, calix smooth — 
Apalachian Mts of Virginia and Carolina, disc. 
1825, flowers white, very distinct species. 
3. Amph. heterophyla Raf. monoica Nut- 
tal. Stem twining filiform angular with reflex- 
ed hairs, leaves on short petiols variable but 
shining scabrous and ciliate, subequal but either 
ovate lanceolate acute or else ovate elliptical 
obtuse: raceme elongate, multiflore, bracts 
rounded striate, calix smooth- — In the Allegha- 
ny mts. of Pennsylv. flowers white. 
