Order 46.— LEGTJMINOSiE. 323 



trifoliate. The upper fls. complete, but usually barren, the lower apet- 

 alons and fruitful. 



1 A. monoica Nutt. St. retrorsely pubescent ; lfts. ovate, thin ; cauline rac. 

 eimple, pendulous ; cal. segm. very short, triangular-acuminate ; bracts minute. — 

 A very slender vine in woods and thickets, Can. and U. S. St. twining, rough 

 backwards, 4 to 8f in length, Lfts. very thin, 1 to 3' long, f as wide, lateral 

 ones oblique at base. Rac. axillary, few-flowered. Fls. pale purple. Cauline 

 leg. smoothish, with 3 to 4 dark purple seeds. Radical leg. often subterraneous, 

 with one large, compressed, brown seed. JI, Sept. 



2 A. Pitcheri Ton- & Gr. St. villous, with ferruginous, spreading hairs; lfts. 

 rhombic-ovate; rac. erect, often branched; cal. segm. lance-subulate, a third of the 

 length of the tube ; bracts broad, conspicuous. — Alluvion about N. Orleans and 

 "W. La. (Hale). Lfts. rather thick, 2 to 3' by H to 2', hirsute both sides. Fla. 

 a little smaller (6" long) ; fr. a little larger (16 to 18'' long) than in No. 1. Sds. 

 3, compressed, purplish-black. 



51. GALACTIA, L. (Gr. ydXa, milk ; some species have a milky 

 juice.) Calyx bibracteolate, 4-cleft, the segments of nearly equal 

 length, upper one broadest, entire ; pet. oblong ; vexillum broadest and 

 incumbent; keel petals slightly cohering at top ; legume many-seeded. 

 — Herbs prostrate or twining, sometimes shrubby. Lvs. pinnately 

 compound. Rac. axillary. Fls. cyanic. 



§ Leaves pinnate, 7 to 9-foliate. Stems prostrate, twining No. 1 



§ Leaves pinnately 3-foliate. Stems prostrate, twining Nos. 2 — 4 



§ Loaves pinnately 3-foliate. Stems erect or ascending Nos. 5, t 



1 G. Elliottii Nutt. Lfts. 7 to 9, coriaceous, elliptic-oblong, obtuse at each 

 end ; ped. longer than the lvs., few-flowered at the top ; upper sep. (double) 

 broad, ovate, subulate-mucronate. — Ga. (Feay and Pond). Sts. running or climb- 

 ing many feet. Lfts. 1' or more long, minutely pubescent beneath. Pods vil- 

 lous, 2' long, 4 to 6-seeded. Corolla white or rose color, 7" long. May — Jl. 



2 G. glabella Mx. St. nearly glabrous; lfts. 3, elliptic-oblong, emarginate at 

 each end, sub-coriaceous, shining above, a little hairy beneath ; rac. pedunculate, 

 about the length of the lvs., fls. pedicellate. — In arid soils, N. J. to Fla. Sts. 2 to 

 4f long. Lfts. 10 to 20" by 5 to 10", varying in form from elliptic through ob- 

 long to ovate. Fls. rather large (7 to 8" long), reddish-purple, greenish exter- 

 nally. Pods 1J' long (immature), erect, falcate. Aug. — Sept. 



3 G. mollis Mx. St. softly pubescent; lfts. oval, outuse, nearly smooth above, 

 softly villous and whitish beneath ; rac. longer than the lvs., pedunculate, fascicu- 

 late ; fls. on very short pedicels ; leg. villous. — Dry soils, Md. to Ga. St. several 

 feet long. Lfts. about 1' long, 8" wide. Fls. about half as large as in the last. 

 Aug. — Sept. 



4 G. pilosa Nutt. St. retrorsely hirsute; lfts. 3, oval-oblong, retuso at apex, 

 finely hirsute on both surfaces, paler beneath ; rac. twice or thrice longer than the 

 lvs., with scattered, distant fls. — N. Car. to Fla. and La. Sts. several feet in 

 length. Lfts. 1 to 2' long, half as wide, petioles 1 to 1J' long. Fls. a fourth 

 smaller than in No. 2, pale roseate, pedicellate. Pods villous. Jn. — Sept. 



5 G. brachypoda Torr. & Gr. St. flexuous, somewhat erect ; lfts. 3, oblong or 

 linear-oblong, odd one peiiolulale, petioles longer than the lfts. or the few-flowered, 

 stalked rac. — Pine barrens, "W. Fla. Sts. leaning, 2 or more f high. Lfts. 12 to 

 18" by 4 to 6". Fls. purplish, about half as large as in No. 2. 



6' G. sessilifldra Torr. & Gr. St. flexuous, erect; lfts. oblong-linear or linear, 

 odd one subsessile ; petioles longer than the lfts. ; rac. very short, sessile. — Ala. and 

 W. Fla. Sts. two or more together, 1 to 2f high. Lfts. 12 to 20" by 3 to 7", 

 obtuse or emarginate. Fascicles 3 to 6-flowered. Fls. purple. Pods erect, 6 to 

 8-seeded. 



52. DOL'ICHOS, L. (Gr. doXtxbg, long ; from the great length of 

 these vines.) Calyx 4-lobed, the upper lobe 2-toothed or entire, vexil- 



