LEGUMINOSJA, (PULSE FAMILY.) 91 
* Fruiting calyx erect. 
1. T. pratense, L. (Rep Crov£En.) Hairy; stems erect; leaflets ob- 
long-ovate or oval, often emarginate, slightly serrulate; heads large, ovate ; 
calyx-teeth setaceous, hairy ; flowers purple. — Around dwellings. Introduced, 
but scarcely naturalized, at least in the low country. — Stems 19? — 2? high. 
Leaves usually marked with a pale 3-angled spot above. 
2. T. arvense, L. (RABBIT-FOOT CLOVER.) Softly pubescent; stems 
erect; leaflets linear-oblong, minutely 3-toothed ; heads oblong; calyx-teeth se- 
taceous, plumose ; corolla white, with a purple spot on the wings. — Old fields, 
chiefly in the upper districts. Introduced. (3) — Stems $' - 12! high. 
* * Fruiting calyx reflexed. 
3. T. reflexum, L. (Burrato Crover.) Pubescent; stems ascending; 
leaflets roundish or obcordate, toothed, the uppermost oblong ; heads globose ; 
calyx-tube very short, the subulate teeth long and hairy ; vexillum broadly ovate, 
purple; the wings and keel white; legume 3 —5-seeded. — Waste places and 
pastures, Florida to North Carolina, and northward. April and May. @ and 
© — Stems 6’-12' long. Heads large. 
4. T. repens, L. (Wuire Crover.) Smooth; stems creeping; leaf 
lets roundish or obcordate ; heads globose, long-peduncled ; calyx-teeth short ; 
flowers white ; legume 4-seeded. — Pastures and around dwellings. Introduced. 
May. 3 — Stems 6'- 12" long. 
5. T. procumbens, L. Pubescent ; Mémo sldistet, erect or procumbent ; 
leaflets small, thin, obovate or obcordate, toothed, the middle one stalked ; 
heads small, ovate; flowers yellow; legume 1-seeded. — Waste places; more 
common in the upper districts. Introduced. (1) — Stems 6'- 12 long. 
€. T. Carolinianum, Michx. Pubescent ; stems tufted, prostrate ; leaf- 
lets small, obcordate, slightly toothed ; heads roundish, long-peduncled ; flowers 
white, tinged with purple; vexillum acute; legume 4-seeded. — Fields and pas- 
tures, Florida to North Carolina, and westward. March and April. | — 
Stems 6-10 long; in shady places erect. 
6. HOSACKIA, Dongl. 
Calyx 5-cleft. Vexillum as long as the keel and spreading wings. -Bizapets 
diadelphous (9&1). Legume cylindrical or compressed, smooth, wingless, 
many-seeded. — Herbs. Leaves trifoliolate or pinnate. Stipules mostly minute 
and gland-like, Peduncles 1 — several-flowered. 
_ 1. H, Purshiana, Benth. Hairy; stem vid bli leaves trifolio- 
late, with oblong leaflets; peduncle 1-flowered, longer than the leaves; keel - 
cute; bracts simple; legume linear, nearly — Calcite. NA 
fs ce Flowers rose-color. 
. PSORALEA, E 
Sir cman te ti ce Busse d 
hous : "M of 6 phe ot fe 
