90 LEGUMINOS^. 



beautiful shrub 4 to 8 feet high, native of the Southern States, cultivated in gar- 

 dens. Flowers deep rose color or red. 



19. TEPHROSIA. Pers. 



Gr. tephros, ash-colored or Jioary, in allusion to the color of the foliage. 



Calyx about equally 5-cleft. Standard large, roundish, 

 pubescent, reflexed-spreading, scarcely longer than the cohe- 

 rent wings and keel. Stamens monodelphous or nearly 

 diadelphous. Legumes linear, flat, several-seeded. — Sitty 

 hoary perennial herbs (except in the tropics), with odd-pin- 

 nate leaves, and white or purplish racemed flowers. 



T. Virginiana, Pers. Goat's Rue. Hoary Pea. 



Stem erect; leaflets 7 to 14 pairs, oval or linear-oblong, mucronate, white, villous 

 beneath; raceme terminal; legume falcate, villous. 



Sandy soils and gravelly hills ; common. June, July. Foot long and tough. 

 Stems simple, usually several or maDy from one root. Leaflets 1 inch long, ^ 

 -wide, odd one obcordate. Stipules subulate, J/j inch long, persistent. Bractcole* 

 deciduous. Calyx very villous. Flowers large, in a dense terminal raceme. Ban- 

 ner white, with a tinge of yellow on the upper side. Keel rose-colored. Wings rod. 



20. AMORPHA. Linn. False Indigo. 



Gr. a, privative, morpha, shape; alluding to the deficiencies of the corolla. 



Calyx inversely conical, 5-toothed, persistent. Stan- 

 dard concave, erect; the other petals entirely wanting! 

 Stamens 10, exsertcd, monodelphous at base, otherwise 

 distinct. Style filiform, straight, smooth. Legumes oblong, 

 longer than the calyx, somewhat curved at the point, 1 to 

 2-seeded. — Shmbs, with odd-pinnate punctate leaves, and 

 bluish or violet-colored flowers, crowded in clustered terminal 

 spikes. 



A. fruticosa, L. Qommon False Indigo. 



Rather pubescent; stem shrubby or arborescent; leaflets 8 to 12 pairs, oval, 

 scattered, the lower pair remote from the stem ; calyx-teeth obtuse, 4 of them 

 a uminate, pubescent : legume few-seeded. 



Southern part of the State. July. A tall shrub 6 to 16 feet high. leaves 3 to 5 

 inches long. Leaflets about 1 inch, by %, rather remote from each other. Racemes 

 spicate, terminal, solitary or fascioled, 3 to 4 inches long. Standard purple, emar- 

 &inate. 



21. TRIFOLIUM. Linn. Clover-Trefoil. 



Lat. tres, three ; and folium, a leaf. 



Calyx persistent, tubular, 5-cleft, the teeth bristle-form. 

 Petals more or less united below. Standard longer than 

 the wings ; which are mostly longer than the keel. Stamens 



