LEGUMINOS^. 615 



PETALOSTEMON, Michx. 



P. violaceus, Michx. Stem erect, corymbose above, very leafy ; leaf- 

 lets 3 — 5, narrow-linear; spikes oblong or cylindrical; calyx silky, the short 

 tefeth obtuse, as long as the lanceolate acuminate silky bracts. — West Ten- 

 nessee, and westward. — Stem 2° liigh. Plowers violet-purple. 



P. roseus, Nutt. Leaflets narrower ; calyx smooth, the teetli as long as 

 the tube, shorter than the setaceous bracts ; petals obovate, rose-color; other- 

 wise like the preceding. — Low pine barrens, East Florida. 



P. candidus, Michx. Smoothisli ; stem erect, branching above ; leaflets 

 5-7, lanceolate ; spikes oblong ; bracts lanceolate, acuminate, twice as long 

 as the calyx ; flowers white. — West Tennessee, and westward. — Stem 1° - 

 2° high. 



P. foliosus, Gray. Smooth, very leafy; leaflets 16-29, linear-oblong, 

 mucronate, the glands few and small ; spikes cylindrical, short-peduncled ; 

 bracts slender-awned from a lanceolate base, exceeding tiie rose-purple flow- 

 ers ; calyx glabrous, the teeth about half the length of the cylindraceous 

 tube {Graji). — Near Nashville, Tennessee, and northward. 



P. decumbens, Nutt. Stems decumbent, branching from the base; 

 leaflets 6 or 8, linear-oblong, mucronate; spikes ovate-oblong; calyx shorter 

 than the acuminate bracts, the teeth longer than the smooth tube ; petals 

 deep violet-purple, linear-oblong, obtuse at the base, vexillum cordate.— 

 North Alabama, Tennessee, and westward. — Stems 1° lon<T. Leaflets 6" - 8" 

 long. 



P. Feayi, n. sp. Smooth; stems several, decumbent, mucli branched; 

 leaves long-petioled, the 4-8 leaflets soon involute-filiform, obtuse or trun- 

 cate ; heads globular, corymbose, longpeduncled ; calyx-tube smooth, twice 

 the length of the ovate acute pubescent tectli, and smooth bracts ; petals 

 bright rose-color ; stamens long-exserted. —Bartow, South Florida (Feay).— 

 Stems 1°-1^° long. Leaflets 5" - 8" long. Heads 3" -4" broad. 



DALEA, L. 



D. Domingensis, DC. Erect, velvety-pubescent; leaflets 12 or 14, 

 obovate; spikes capitate, short-peduncled ; calyx villous, the lobes subulate. 

 — Key Biscayne, South Florida (Curtiss). 



TEPHROSIA, Pers. 



T. onobryehoides, Nutt. Softly pubescent ; stem erect, mostly sim- 

 ple ; leaves petioied ; leaflets numerous, narrowly oblong, truncate or emar- 

 ginate at the apex, mucronate, soon smooth above ; racemes very long, erect, 

 many-flowered; petals wliite, turning red; legume nearly straight. — Pine 

 barrens near Mobile (Mohr), and westward. — Stem 2° high. Leaflets V 

 long. Racemes l°-2° long. 



