Order 46.— LEGUMINOS^E. 315 



6 P. stipulata Torr & Gr. Nearly glabrous and glandloss, ascending; lvs. pin- 

 nateiy 3-ibliate, lfts. elliptic-ovato, obtuse, mucronato ; stip. (large) ovate ; ped. 

 as long as the lvs. ; spikes capitate. — Falls of the Ohio (Jones in N. Am. Flora). 

 Sts. branched from tho base. Tho largo stipules aro remarkable, resembling those 

 of the red clover. 



7 P. Melilotoides Mx. Yirgate, minutely pubescent ; lvs. 3-foliate, lfts. oblong- 

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

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

 lar, transversely wrinkled. — Dry soils, S. and W. St& Slender, branched, erect, 

 2f high. Lfts. 2 to IV long, \ as wide. Ped. G to 10' long. May — Jl. (P. 

 eglandulosa Ell.) 



8 P. Onobrychis Nutt. Pubescent; lfts. ovate-acuminate; rac. elongated ; cal. 

 much shorter than cor., teeth small, obtuse, equal; leg. 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. Fla. small, pedicellate, blue. 

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



9 P. multijuga Ell. Lfts. numerous, oblong-lanceolate, obtu-e; spikes oblong; 

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

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

 Lfts. 9 or 10 pairs. May, Jn. 



33. GLOTTID'IUM, Dcsv. (Gr. yXu)~ra, tongue ; alluding to the 

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

 5-toothed ; vexillum reniform, broader than long ; legume elliptic-ob- 

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

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

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



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

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

 long. Fls. about a third as large as in Sesbania, in slender rac. Pods 18" by 6", 

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

 shaped. 



34. SESBA'NIA, Pers. Calyx campanulate, subequally 5-toothed ; 

 vexillum longer than tho 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 bracteoles, and yellowish 

 flowers. 



S. macrocarpa Muhl. Herb annual, glabrous; lfts. 30 to 50, oblong-linear, 

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

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

 6 to 10' long, the lfts. 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, L. Lead Plant. (Gr. a, privative, j"op</>?7, form ; 

 alluding to tho deficiencies of the corolla.) Calyx subcampanulate, 5- 

 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. 



* Leaves stalked (i. «., the lowest lfts. remote from stem) No. 1 



* Leaves sessile,— lfts. obtuse, not mucronate Nos. 2, 3 



— Lfts. acute, mucronate No. 4 



1 A. frutiedsa L. Nearly glabrons 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 the longest; leg. 

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



