98 LEGUMINOSJE. (PULSE FAMILY.) 
Tribe 3. HEDYSAREiE. The Saintfoin Tribe. 
0. JESCHYNOUIENE, L. Sensitive Joint Vetch. 
Calyx 2-lipped ; the upper lip 2-, the lower 3-cleft. Stamens 
diadelphous in 2 sets of 5 each. Pod flattened, composed of sev¬ 
eral square easily separable joints. — Leaves odd-pinnate, with 
several pairs of leaflets, sometimes sensitive, as if shrinking from 
the touch (whence the name, from alaxwopevr j, being ashamed f). 
1. AE. hispid a, Willd. Annual, erect, rough-bristly ; leaflets 
20 - 25 pairs, linear, obtuse ; racemes 3-5-flowered; pod stalked, 6- 
10-jointed. — Along rivers, S. Penn, southward. Aug. — Flowers 
yellow tinged with red externally. 
lO. BE SM ODIUM, DC. Tick-Trefoil. 
Calyx mostly 2-lipped. Stamens diadelphous (9 and 1), or 
monadelphous below the middle. Pod flat, deeply lobed on the 
lower margin, separating into few or many flat reticulated joints 
(mostly hoary, with minute hooked hairs by which they adhere to 
the fleece of animals or to clothing). — Perennial herbs, with pm- 
nately 3-foliolate leaves, stipellate. Flowers in axillary or terminal 
racemes, often panicled, purple or purplish, often turning green in 
withering. (Name from Scorpios, a chain , from the appearance of 
the jointed pods.) 
* Stem erect or ascending: pods of 1-4 large joints (which are semx~ 
obovate and concave on the back ), raised on a stalk {stipe) many tin** 
longer than the slightly toothed calyx and nearly as long as the p 1 
cel: stamens wholly or partly monadelphous: raceme terminal, para¬ 
ded, or the pedicels often clustered: stipules bristle form , deciduous. 
1. D* ll mli flora in, DC. (Naked-flowered T.) Leaves oi 
crowded at the summit of the sterile stems; leaflets broadly ovate, blunt 
ish, whitish beneath ; raceme elongated , on a prolonged ascending W" 
less stalk or scape from the root. — Dry woods, Aug.—Nearly snaoot j 
the naked flower-stems 2P long. Pod-stalks J # long. 
2. D. aeuminatnm, DC. (Pointed-leaved T.) 
all crowded at the summit of the stem , from which arises the elong ^ 
naked raceme or panicle; leaflets round-ovate, taper-pointed, g ree 
both sides. —Rich woods. July. — Slightly hairy. Leaflets, ^ 
cially the end one, which is more rounded, 4'-5' long. Pedicels an 
pod-stalks shorter than in No. 1: the joints of the pod long. 
3. D. paucifidrum, DC. (Few-flowered T.) Lcal *** 
scattered along the low ascending stems ; leaflets rhombic-o * 
