POLYANDRIA POLYGYN1A. 
65 
pedunculis oppositifo- 
liis ; calyce patente ; 
carpillis utrinque tu- 
berculoso-aciileatis, in- 
cornu acuminatum 
rectum desinentibus. 
De Cand. 
dnncles opposite the 
leaves; calyx expan- 
ding ; seed roughen- 
ed on both sides with 
tubercles, terminating 
in a straight acumin- 
ate point. 
Sp. pi. 2. p. 1329- Mich* 1. p. 321. Pursh, 2. p. 395. De Can- 
dolle 1. p. 298. 
Root annual. Stem procumbent, branching, 12 — 18 inches high, suc- 
culent, sprinkled with a few white hairs, which, as usual, are more nume- 
rous near the summits. Lower leaves simple, slightly cordate and nearly 
round, shining and bright green, 3-lobed, the lobes deeply toothed, gla- 
brous underneath, sprinkled on the upper surface with a hispid pubes- 
cence, upper leaves trifoliate and simple, leaflets, sometimes cuneate and 
dentate, the simple leaves lanceolate. Corolla on peduncles about an 
inch long. Leaves of the calyx lanceolate, reflected. Petals obovate ? 
bright yellow, with a scale at base, longer than the calyx. Stamens nu- 
merous, about 16, shorter than the corolla. Germs numerous, compres- 
sed. Styles 0. Stigmas simple. Seed surrounded by a strong thick 
margin, the centre translucid and thickly muricated with translucid obtuse 
prickles, point broad; straight or very slightly recurved. 
Grows in cultivated land and along the road side. Common near 
Charleston. Probably an exotic. 
Flowers March — May. 
16. TrachyspermA. E; 
R. caule petiolis 
foliisque patentim vil- 
losis ; foliis trisectis, 
lobis acute incisis ; 
pedunculis brevibus 
bppositifoliis ; semin- 
ibus tuberculosis, acu- 
mine uncinato. 
Stem, petioles and 
leaves villous with the 
hair expanding ; 
leaves 3-cleft with the 
lobes acutely notched; 
peduncles short, oppo- 
site the leaves ; seed 
tubercled with the 
point hooked. 
Stem erect, 12— -15 inches high, branching, thinly clothed with soft ex- 
panding hair. Leaves small, generally divided to the base, the segments 
v acutely notched and toothed, rather more hairy than the stem. Petioles 
2 — 3 inches long. Seeds compressed, conspicuously muricated on both 
YOL* IT; T 
