102 LEGUMINOS^E. (PULSE FAMILY.) 



10. P. Feayi, Chapm. Smooth; stems several, decumbent, much 

 branched ; leaves long-petioled, tlie 4-8 leaflets soon involute-filiform, obtuse 

 or truncate; heads globular, corymbose, loug-peduncled ; calyx tube smooth, 

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

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



Stems 1 - 1 1 long. Leaflets 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 1 -seeded, membranaceous, indehiscent, included in 

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



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

 numerous linear-oblong leaflets ; spikes dense, cylindrical, silky-villous ; co- 

 rolla small, pale violet, the vexillum white. Rich 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-peduucled ; calyx villous, the lobes subulate. 



Key Biscayne, South Florida ( Curtiss). 



10. AMORPHA, L. 



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

 and keel none. Stamens monadelphous 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, iu slender terminal and axillary racemes or spikes. 



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

 brous ; leaflets 5-10 pairs, f ' - 1 \' 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 the 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 panic-led; 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 sessile ; leaflets nu- 

 merous, small, elliptical , crowded ; spikes short, panic-led, dense-flowered ; 

 calyx teeth acute, nearly equal ; legume 1-seeded. Near Augusta, Georgia, 

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



11. ROBINIA, L. LOCUST. 



Calyx short, 5-toothed or 5-cleft, the two upper teeth shorter and more or 

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



