Ordee 46.— LEGUMINOSjE. 315 



6 P. Btipul^ta Torr &, Gr. Nearly glabrous and glandlesa, ascending ; Irs. pin- 

 nately 3-foliate, Ifts. elliptic-ovate, obtuse, mucronate ; slip, (large) ovate ; ped. 

 as long as the Its. ; spikes capitate. — Palls of the Ohio (Jonos in N. Am. Flora). 

 Sts. branched from the bass. The large stipules are remarkable, resembling thoao 

 of the red clover. 



V P. Melilotoidea Mx. Tirgate, minutely pubescent ; Ivs. 3-foliate, Ifls. oblong- 

 lanceolate, rather obtuse, on very short petioles, more or less glandular ; stip. 

 lanceolate ; spike oblong, at length elongated, on- virgate peduncles ; pods orbicu- 

 lar, transversely wrinkled. — Dry soils, S. and Vf. Sts. Slender, branched, erect, 

 2f high. Lfts. 2 to 25 long, } as wide. Pod. 6 to 10' long. May— Jl. (P. 

 eglandulosa Ell.) 



8 P. Onobrychis Nutt. Pubescent; Ifta. ovate-aoummato ; rac. elongated; cal. 

 much shorter tiian cor., teeth small, obtudc, equal; log. ovate, transversely 

 wrinkled. — Low grounds and thickets, W. States. St. rigidly erect, nearly simple, 



• 3 to 5f high. Lfts. 2 to 4' long, nearly -J as wide. Fls. small, pedicellate, blue. 

 Pods exceeding the calyx, rostrate. Jn., Jl. 



9 P. mxilti juga Ell. Lfts. numerous, oblong-lanceolate, obtuso ; spikes oblong ; 

 dl. villous, teeth very long ; bracts small. — In tho upper country, Ga. (Elliott), 

 S. Car. (Darby). St. stout, furrowed 1 to 2f high, nearly smooth. Els. violet. 

 Lfts. a or 10 pairs. May, Jn. 



33. GLOTTID'IUM, Desv. (Gr. yXtorra, tongue ; alluding to tho 

 singular structure of the pods.) Calyx campanulate, truncated, minutely 

 5-toothcd ; vcxillum roniform, broader than long ; legume elliptic-ob- 

 long, compressed, pointed at each end ; valves double, tho inner mem- 

 branous, inclosing tho seeds after tho outer have fallen away ; seeds 1 

 or 2. — Q Glabrous. Lvs. abruptly pinnate. Fls. small, yellow. 



Cr. Floridanum DC. In waste and damp soils, S. Car. to Fla. and Tex. St. 

 tall and rank (4 to lOf). Lfts. 30 to 50, linear-oblong, obtuse, mucronate, 6 to 18" 

 long. Fls. about a third aa large as in Seabania, in slender rao. Poda 18" by 6", 

 appearing after the opening of tho outer valve, as tongue and lips. Seeds bean- 

 shaped. 



34. SESBATIIA, Pcrs. Caly.x campanulate, subequally 5-toothed ; 

 vexillum longer than the obtuse keel, the claw appended ; legume very 

 long and slender, linear, closed between the seeds. — Shrubs or herbs, 

 with abruptly pinnate lvs., caducous stip. and bractcoles, and yellowish 

 flowers. 



S. macroodrFa Mubl. Herb annual, glabrous ; lfts. 30 to 60, oblong-linear, 

 obtuse, mucronate ; rac. about 2-9owered, shorter, but the legumes twice longer 

 than the lvs. — Damp grounds, S. Car. to Pla. and La. St. tall (2 to 8f). Lvs. 

 G to 10' long, the Ifls. 6 to 9", glaucous beneath. The extremely slender leg. nearly 

 a foot long, with a bordered margin are very singular. Aug. — Oct 



35. AMOR'PHA, Ij. Lead Plant. (Gr. a, privative, liop(f)rj, form ; 

 alluding to the deficiencies of the corolla.) Calyx subcampanulate, S- 

 cleft ; vexillum concave, unguiculate, erect ; wings and keel none ; 

 .stamens exserted ; legume oblong, somewhat curved at the point> 

 .scabrous with glandular points, 1 to 2-seeded. — Shrubs or half shrubby 

 American plants. Lvs. unequally pinnate, punctate. Fls. bluish white, 

 in virgate racemes. 



* Lonves stalked (i. e., the lowest lfts. romoto from stem) No. 1 



* Leaves sessile,— lfts. obtuse, not mucronate Noa. 2, 8 



— Lfts. acute, mucronate No. 4 



1 A. fruticoBa L. Nearly glabrous or somewhat pubescent, shrubby or arbores- 

 cent ; lfts. 9 to 19, oval, petiolulate, very obtuse, the lower pair remote from tho 

 stem ; cal. teeth obtuse, short, lower one acuminate and rather tho longest ; leg. 

 2-fleeded. — A shrub or small tree, 6 to 16f high. Wis. to La. and Fla., "W. to B. 



