Cassia. LEGUMINOS^.. 395 



viemhranaceous or coriaceous, deh'tacenl : seeds \tsnaUy compressed, vertical, 

 their long diameter in tJie direction of the breadth of the legume, longer than 

 the funiculus. — ChamjESknna, DC. (partly) ; Vogcl. 



3. C. Marilandica (Linn.) : perennial, glabrous or somewhat pubescent 

 witJi scattered s])rea(ling liairs ; leaflets 12-ld, lance(jlafe-oblon2, miicro- 

 nafe ; gland near the base of the petiole clavato ; stipules linear-subulate, 

 caducous ; racemes axillary-, very sliort, somewhat paniculate at the summit 

 of the iiranciies ; legumes" linear, somewhat curved, at length nearly gla- 

 brous. — Linn. ! spec. 1. p. 378 ; Michx. ! fl. 1. p. 261 ; Pursh, I. c. ; 

 Schkuhr. handb. 1. ^ 113 ; Ell. sk. 1. ;;. 473 ; Bigel. med. bot. t. 39 ; 

 Bart. veg. mat. vied. t. 12 ; DC. ! I. c. ; Torr. ! Jl. 1. 2>- 439 ; Darlingt. ! 

 fl. Cest. p. 439. Senna fbliis Mimosa-, &c., DHL Ellh. t. 260, f. 339. C. 

 ligustrina, Linn, as to syn. Gronov. ! Virg. ; Pursh, Jl. 1. p. 3()G. 



In alluvial soil, New England States ' and New York ! to S. Carolina and 

 throughout the Western Stales. July-Aiig. — Stem .3-4 feet high. Leaflets 

 conspicuously mucronate, slightly ciliate. Petals yellow, obovate-cimeiiiirm. 

 Anthers blackish. Legume 3-4 inches long, hairy when young. — Wild- 

 Senna. 



4. C. biflora (Linn.) : shrubby : leaflets 4-10 pairs, oblong or obovate, 

 mucronate, pubescent or glabrous ; a terete acute gland between the lowest 

 pair; pejlunt-les 2-4-flowered ; the flowers somewhat geminate; legume 

 narrowly luiear, transversely articulated, membranaceous, pubescent. Vo- 

 gel. — Linn. anmn. acad. 5. p. 397 ; DC. prodr. 2. p. 495 ; Fogel, I. c. p. 

 29. C. galegifolia, Linn., C. tenuissima, Linn., and C. frondosa, Ait. fide 

 Vogel. 



Texas, Drvmmond ! — We have seen only a ^•ery imperfect specimen in 

 Drummond's Texan Colleclion, which appears to belong to this species. 



§ 4. Sepals obtuse, acute, or acuminate : sta7nens 10, or by abortion 9-5 ; an- 

 thers all fertile, mostly of unequal length, quadrangular, linear, opening at 

 die apex by 2 pores or clefts : legume comj^ressed, coriaceous, more or less 

 completely many-celled by transverse jiartitions : seeds vertical. — Lasio- 

 BHEG3IA, Vogel. 



5. C. ChamfEcrista (Ijinn.) : annual, hairy or glabrous, erect or a little de- 

 cumbent; leaflets 20-30, linear-oblong, obli(|ue at the base, obtuse, mucronate ; 

 j^land below the lowest pair of leaflets, sessile or slightly pedicellate, cup- 

 shaped or depressed; stipules and bracts subulate, stnate, persistent; fasci- 

 cles of flov.ers supra-axillary ; pedicels slender, bracteolate near the summit; 

 flowers large ; sepals attcJiuate-aciuriinate ; anthers 10, all fertile, subsessile, 

 very Ions ;* style filifcjin. — Linn. ! spec. 1. p. 379 ; Walt. ! Car. p. 136 ; 

 Mwha:. ri. c. ; Smuh, in Abbot, ins. Georg. t. 94 ; Bot. mag. t. 107 ; Pursh, 

 I. c ; DC. ! proxir. 2. p. 503 ; Darlingt. fl. Cest. p. 433 ; Vogel, I. c. p. 62, 



(not of Swarf-.) ^ , , . , , 



a. nearly glabrous; fascicles 2-3-flowered ; 2-3 of the petals with a purple 



spot near the base ; 4 of the anthers yellowish, the others purple or often all 



yellowish : legumes glabrous. 



/?. somewhat glabrous ; fascicles several-flowered ; petals not spotted at 



tlie b;i-^ ; anthers all yellow ; legumes somewhat glabrous. — C. fasciculata, 



MifJtx.fl. I. p. 262 ; Ell. I.e. 



y. hirsutely pubescent (except the leaflets) ; legumes sornewhat hairy, es- 

 pecially along the sutures; otherwise as in a. — C. Chamaecrista, Michx. I. c. ; 



EIL I. c. 



