104 
LEGUMINOSAL (PULSE FAMILY.) 
15, ROB INI A 9 L. Locust-tree. 
Calyx short, 5-toothed, slightly 2-lipped. Standard large and 
rounded, turned back, scarcely longer than the wings and keel. 
Stamens diadelphous. Pod linear, flat, several-seeded, margined 
on the seed-bearing edge. — Trees or shrubs, often with prickly 
spines for stipules. Leaves odd-pinnate, the ovate or oblong leaf¬ 
lets stipellate. Flowers showy in hanging axillary racemes. 
Base of the leaf-stalks covering the buds of the next year. 
(Named in honor of John Robin , herbalist to Henry IV. of 
France, and his son Vespasian Robin , who first cultivated the 
Locust-tree in Europe.) 
B* Psetldacacia, L. (Common Locust, or False Aca¬ 
cia.) Racemes slender, loose; flowers white, fragrant. — S. Penn, 
southward along the mountains: commonly cultivated as an orna¬ 
mental tree, and for its invaluable timber. June. — Branches with 
spines, smooth. 
2. R. viscosa. Vent. (Clammy Locust.) Brancblets, 
clammy; flowers crowded in the racemes, tinged with rose-color, 
nearly inodorous. — Cultivated like the last, a smaller tree, native of 
the Southern Alleghanies. June. 
R. hi'spida, the Bristly Rose-Acacia, with very large and hand¬ 
some deep rose-color blossoms, is a common ornamental shrub in 
gardens. 
16. TEPHROSIA, Pers. Hoary Pea. 
Calyx about equally 5-clefl. Standard roundish, usually silky 
outside, turned back, scarcely longer than the coherent wings and 
keel. Stamens monadelphous or nearly diadelphous. P°d h a * 
ear, flat, several-seeded. — Silky-hoary perennial herbs (except 
in the tropics), with odd-pinnate leaves, and white or purplish ra- 
cemed flowers. (Name from Tempos, ash-colored or hoary.) 
1. T. Virgtniana, Pers. Stem erect; flowers in a terminal 
pamcled raceme; leaflets 17-29, crowded, linear-oblong, mucro- 
nate. - Dry sandy woods. June. — A foot high, white-haired and 
silky all over, but smoother with age, with large and handsome blos¬ 
soms yellowish-white marked with red-purple. 
17# AM6RPHA, L. False Indigo. 
Calyx inversely conical, 5-toothed, persistent. Standard con¬ 
cave, erect: the other petals entirely wanting! Stamens Kb 
