Leguminacede 239 
RRR. Leaflets 21—29. 
U. Stipules lanceolate; calyx black-hairy; calyx-teeth not over 14 as 
long as the calyx-tube; pod glabrous. E. (P. raventa canbvi.) 
A. reventus Gray 
UU. Stipules subulate; calyx white-hairy ; calyx-teeth almost as long as 
the calyx-tube; pod pubescent. FE. 
A. hoodianus How. 
ARAGALLUS (Oxytropis) LOCO-WEED 
Herbs, perennial, rarely annual, often stemless. Leaves odd-pinnate; leaflets en- 
tire. Flowers various in color, in spikes or heads: flower-clusters axillary or basal, pedun- 
cled. Calyx 5-toothed. Keel with subulate point or acute or appendaged. Pod partly 
| 2-celled by the intrusion of the ventral (placental) suture. (Origin?) 
A. Calyx somewhat bladdery-inflated. E. 
A. blankinshipii Nels. 

AA. Calyx not inflated. 
B. Pod bladdery-inflated, membranous. E. (Astragalus sclerocarpus; Phaca 
podocarpa. ) A. podocarpus Nels. 
BB. Pod not bladdery-inflated, often turgid or coriaceous. 
C. Plants somewhat glandular-viscid; leaflets 25-55. E. 
A. viscidus Gr. 
CC. Plants neither glandular nor viscid; leaflets fewer in most species. 
De Pod nearly 2-celled by the intrusion of a suture; stems pubescent but not 
silky. 
E. Leaves sparsely pubescent; corolla ochroleucous or yellow, without pur- 
ple spot on the keel. E. 
A. gracilis Nels. 
EE. Leaves silky-pubescent; corolla ochroleucous with a purple spot on the 
keel, or with more purple. E. 
A. dispar Nels. 
DD. Pod not over half 2-celled by the intrusion of a suture to the middle or 
less; stems silky-canescent. W. C. E. 
A. monticola Gr. 
GLYCYRRHIZA LICORICE 
Herbs, perennial; roots thick, sweet. Leaves odd-pinnate; stipules deciduous. Flow- 
ers in spikes or heads; the clusters dense, axillary, peduncled. Calyx-teeth 5, nearly 
equal; calyx-tube gibbous at base. Standard narrowly ovate or oblong, short-clawed; 
wings oblong, acutish; keel acute or obtuse, shorter than the wings. Stamens usually 
diadelphous. Pod sessile, covered with prickles or glands, nearly indehiscent, ovate or 
oblong, flattish. (Gk. glykys—sweet, rhiza—root; the root is sweet.) E. (G. gluti- 
nosa; G. lepidota glutinosa.) G. lepidota Nutt. (Wild Licorice) 
HEDYSARUM 
Herbs. Leaves odd-pinnate; leaflets entire, usually pellucid-punctate; stipules sca- 
rious. Flowers white or yellow, in racemes; racemes axillary, peduncled, bracted:; bracts 
scarious or setaceous. Calyx 5-toothed or -parted; segments linear-subulate, nearly equal. 
Corolla free from the stamens; standard rather large; keel oblique, truncate, longer than 
the wings. Stamens diadelphous. Pod flat, transversely jointed; joints roundish, | -seeded, 





