108 LEGUMLNOS.E. (PULSE FAMILY.) 



ate ; calyx-teeth short, triangular ; fertile legumes hairy. (A. monoica and A. 

 sarmentosa, EU.) — Rich soil, Florida to Mississippi, and northward. August 

 and Sept. 



34. GAL AC TI A, R Browne. 



Calyx 4-toothcd, the upper one broadest Vcxillum oblong or obovate, re- 

 flexed in flower. Stamens diadelphous. Legume more or less compressed, 

 2-valved, few - many-seeded. — Prostrate or twining, rarely erect, perennial herbs, 

 with chiefly trifoliolate leaves, ami mostly small purplish or white flowers, in ax- 

 illary racemes. Bracts alternate and deciduous. Leaflets stipellate. 



* Leaves trifoliolate, with the leaflets stalked : stems twining or prostrate. 



1. G. spiciformis, Torr. & Gray. Stem twining, minutely pubescent ; 

 leaflets (1' long) thick and rigid, oblong-oval, obtuse or emarginate at both end-:, 

 Bmooth above, pubescent beneath ; racemes spike-like, mostly longer than the 

 leaves, the nearly sessile, mostly solitary flowers scattered on the common pedun- 

 cle nearly to its base; corolla 2-3 times the length of the acuminate hairy calyx- 

 lobes ; legume coriaceous, compressed, falcate, thickened at the sutures, sprinkled 

 with short appressed hairs, 6 - 10-seeded. — Varies with a stouter more pubescent 

 and almost villous stem, larger (1^' - 2'), thinner, and mostly acute leaflets, longer 

 and stouter many-flowered racemes, and nearly straight legumes. (G brevisiyla, 

 Schlect.) — South Florida. Aug. and Sept. 



2. G. pilosa, Ell. Stem twining, pubescent or smoothish, much branched ; 

 leaflets thin, varying from oval to linear-oblong, obtuse, rounded or emarginate 

 at both ends, pubescent and paler beneath, often smooth above ; racemes slender, 

 commonly longer than the leaves, sometimes 4-6 times as long; flowers single 

 or 2-3 together, scattered on the common peduncle, distinctly pcdicelkd, acu- 

 minate in the bud ; calyx sparse-hairy or smoothish, the acuminate lobes much 

 shorter than the purple corolla; legume nearly straight, somewhat compressed, 

 covered with short appressed hairs, 10-seedcd. (G. mollis, Xutt. G, Macreei, 

 M. A. Curtis.) — Dry soil, Florida to Mississippi, and northward. July and 

 August. — Stem often elongated. Leaflets A'-l'long. Racemes occasionally 

 2-3 together. 



3. G. mollis, Michx. Villous and somewhat hoary ; stems mostly pros- 

 trate and simple ; leaflets oval or oblong, obtuse or emarginate at both cud-, ,,r 



the upper ones acute; racemes single, about twice the length of the leaves, the 

 Bhort-pedicelled (lowers approximate near the summit of the stout peduncle, 

 acute in the bud : calj \, like the straight 10-si ed< d compressed Legume, verj \ il- 



lous and hoary. (G. pilosa, Xutt.) — Dry sandy pine barrens, Florida to North 



:ia, and westward. July and August. — Stem 2°-S°lonj Leaflets l' 

 long. Corolla reddish purple, one third lunger than the acute calyx-lobes 



4. G. Floridana, Torr. & Gray. Hoary-pubescent; stems prostrate ; 



leaflet, oval Or oblong, rarely acute, reticulate ] racemes simple or blanched, 



often by pairs, many-flowered, rarely longer than the leaves; flowers large, ap 



proximate; legume flat, i led Var. microphylla : every way smaller, the 



leaflet! ''.' f kyi or emarginate, the fev flowers almost sessile in axil- 



