102 LEGUMTXOS^. (I'ULSE FAMILV.) 



10. P. Feayi, Cliaimi. Smooth; stems several, deeiimltcut, much 

 braiulied ; leaves loiigiH-tioled, the 4-8 leaHcts soon involute-filiform, obtuse 

 or truueate; heads globular, corymbose, loug-peduneled ; calyx tube smooth, 

 twice the length of the ovate acute pubescent teeth, and smooth bracts ; jjetals 

 bright rose-color; stamens long-exserted. — IJartow, South Florida {Feai/). 



— Stems 1°- l^° long. Leatiets 5" -8" long. Heads 3" -4" broad. 



9. DALEA, L. 



Calyx 5-cleft. Corolla imperfectly papilionaceous ; petals clawed ; four of 

 them united with the tube of stamens below the middle, the fifth (vexillum) 

 free, cordate, and inserted into the bottom of the calyx. Stamens 10, united 

 into a cleft tube. Legume I -seeded, memju-anaccous, indehiscent, included in 

 the calyx. — Mostly glandular herbs, with spiked or capitate flowers. 



1. D. alopecuroides, Willd. Stem erect, smooth ; leaves pinnate, with 

 numerous liiicai-olilinig leatiets; s])ikes dense, cylindrical, silky-\*illons ; co- 

 rolla small, ])alc violet, the vexillum white. — Kich soil, Alabama, and west- 

 ward. July. — Stem 1° - 2° high. 



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

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



— Key Biscayue, South Florida ( Curtiss). 



10. AMORPHA, L. 



Calyx obcouical, 5-toothed, persistent. Vexillum straight, concave. Wings 

 and keel none. Stamens mona(lel])lious at the base, exserted. Legume 1 - 2- 

 seeded, oblong, curved, glandular, indehiscent or nearly so. — Shrubs, with 

 unequally pinnate leaves, the numerous leaflets punctate with pellucid dots. 

 Flowers blue or white, in slender terminal and axillary racemes or spikes. 



1. A. fruticosa, L. Stem 5° - 10° high, arborescent, pubescent or gla- 

 brous; leaHets 5- 10 pairs, f'-l|' long, elliptical or oblong, obtuse or emar- 

 giuate, the lowest commonly distant from the stem; racemes mostly 1-3, 

 4' - 6' long ; calyx teeth short, obtuse, or tlie 2 upper obtuse, the 3 lower or 

 the middle one acute ; vexillum deep blue; legume mostly 1-seeded. — Mostly 

 in low ground and river banks. May - July. Very variable. 



2. A. herbacea, Walt, stem lower {■2°-4° high) ; leaflets 10-20 pairs, 

 oval or oblong, 6" -9" long, the lowest near the stem; racemes spicate, 

 6'- 12' long, often panicled ; calyx teeth more or less villous; vexillum blue 

 or white; legume 1-seeded. — Low sandy pine barrens, in the lower districts. 

 June- July. 



3. A. canescens, Xutt. Hoary-tomentose ; leaves se.ssile ; leaflets nu- 

 merous, small, clliiitical , crowded ; spikes short, panicled, dense-flowered; 

 calyx teeth acute, nearly ecjual ; legume l-seeded. — Near Augu.sta, Georgia, 

 and westward. July - August. — Shrub 1 ° - 2° high. Flowers bright blue. 



11. ROBINIA, L. Locust. 



Calvx short, 5-toothed or ri-cleft. tlie two upper teeth shorter and more or 

 less united. Vexillum large, roundish; keel obtuse. Stamens diadelphous 



