ORDER 43. LEGUMINOS^E. 95 



Flowers large (ft -10" long) in a leafy terminal cluster. Lfts. 1527 No. 1 



Fls. small, spicate, on long peduncles. a Lfts. 917. Pods downy Nos. 2, 3, 4 



a Lfts. 5 9. Pods smoothish Nos 5, 6 



1 T. Virginlca Pers. Erect, villous ; Ifts. oblong ; fls. subsessile, axillary and termi- 



nal, variegated with white, rose, and purple ; pod villous. Dry. 1 2f. July. 



2 T. sptcata T & G. Rus>ty-villous, diffuse; Ifts. oval-oblong, obtuse or refuse; )>ed 



very long; calyx teetn longer than tube. S. 1 3f. July. 



3 T. hlspidula Ph. Minutely hispid or pubescent, slender, decumbent; Ifts. ellip- 



tic-oblong, acute ; cal. teeth not longer than tube. S. 1 2f. May July. 



4 T. ambigua M. A. Curt. Smoothish, decumbent; Ifls. 715, oblong-oblanceolate, 



truncate, brownish beneath ; ped. angular, 2-3-flowered, as long as the leaves ; calyx 

 teeth shorter than tube. S. If. June, July. 



5 T. graoilis Wood. Slender, diffuse, eubglabrous ; Ivs. stalked ; Ifts. oblong-obovate, 



emarginate ; ped. twice longer than the leaves ; fls. on slender pedicels ; cal. teeth very 

 short : pod smooth. Fla. to La. 6 12*. 



6 T. olirysopliylla Ph. Prostrate, rust-pubescent: Ivs. sessile; lite, round-obovate. 



acutish, wavy, yellowish ; pednnc. much longer than the leaves ; calyx teeth subulate 

 Dry woods, Qa. Fla. to Tex. 1020'. May July. 



42. INDIGOFERA, L. INDIGO-PLANT. Calyx with 5 acute seg- 

 ments. Vex. roundish, emarginate. Keel spurred each side, at length 

 reflexed. Legume 2-valved, 1 to co-seeded. 5 V- Slip, small, distinct from 

 the petiole. Leaves odd-pinnate. Legume pendulous. 



Racemes longer than the leaves. Leaflets obovate-oblong, obtuse Nos. 1, 3 



Racemes shorter than the leaves. Leaflets oval. Naturalized South No?. 3, 4 



1 I. Carollnlana Walt. Erect, branched ; Ifts. 1115, petiolulate ; fls. yellowish- 



brown ; pod oblong, veiny, rugous, 2-seeded. Sandy woods, 8. 3 7f. July Sep. 



2 I. lepto6pala N. Decumbent, strigous ; Ifts. 79, eubsessile ; calyx teeth subu- 



late ; fls. pale-scarlet ; pod linear, 6-9-seeded. Ga. Fla. to Ark. 2 3f. 



3 I. TiNcrdRiA L. Erect ; Ifts. 9 11 ; pod terete, tornlons, curved. Waste pi. E. Ind. 



4 I. ANIL L. Erect ; Ifts. 711 ; pod flattened, even, with thick edgerf. Waste. W. Ind. 



43. ROBINIA, L. LOCUST. Calyx 5-cleft, the 2 upper segments more 

 or less coherent. Vex. large. Alae obtuse. Sta. diadelphous (9 and 1). 

 Style bearded inside. Legume compressed, elongated, many-seeded. ^ J> 

 With stipular spines. Lvs. odd pinnate Fls. showy, in axillary ra- 

 cemes. Fragrant. Fig. 402. 



1 R. Pseudacacla L. Common Locust. Branches armed with spines; Ifts. orate 



and oblong-ovate ; rac. pendulous, white, smooth, au well as the pods. Penn. S. and 

 W. Introduced everywhere. 30 80f. Wood very durable. April, May. 



2 R. vlscosa Vent. Clammy Locust. Spines very short; branchlets, petioles, and 



pods glandular-viscid ; Ifts. ovate ; rac. crowded, erect, roseate. Mts. S. 40f. Ap. Jn. 1 



3 R. liisplda L. Kofe Acacia. Spines almost wanting, shrub mostly hispid ; rac. 



oose, mostly pendulous ; fls. large, rose-red. Mts. S. 3 8f. May, June, t 



44. COLUTEA, L. BLADDER SENNA. Calyx 5-toothed. Vex. with 

 2 callosities, expanded, larger than the obtuse carina. Stig. lateral, under 

 the hooked summit of the style, which is longitudinally bearded on the 

 hack side. Legume inflated, scarious. *) Leaves odd-pinnate. 



C. ARBOHESCENS L. Lfts. elliptical, retuse ; vex. shortly gibbons behind. Mt Vosuvirs 

 8 12f. Leaflets about 9. Flowers large, yellow. June Aug. 



