236 XLVII. LEGUMINOS^E. CASSIA. 



loose, terminal ; leg. subglobose. A plant with bluish-green foliage, frequent in 

 dry soils, Can. and U. S. Stem very bushy, about 2f high. Leaflets about 7" 

 by 4 g", emarginate, petiole 1 2" long. Flowers 6 12 or more in each ra- 

 ceme. Petals 6" long, yellow. Legume about as large as a pea, on a long 

 stipe, mostly 1-seeded. Jl. Sept. 



2. B. LEUCOPHAEA. Nutt. Ochroleucous Baptisia. 



Villous; petioles almost 0; l/ts. oblanceolate, varying to obovate; slip, and 

 bracts large, triangular-ovate, persistent; roc. secund, with numerous flowers 

 drooping on long pedicels ; leg. ovoid or roundish, inflated. Dry, rich soil, South- 

 ern ! and Western States ! Stem 2 3f high, smoothish when old. Leaflets 2 

 3/ by 2', stipules more than half as large. Raceme 40 60-flowered. Pedi- 

 cels 1 2' long. Corollas very large, ochroleucous. Apr. 



3. B. LEUCANTHA. Torr. & Gray. (B. alba. Hook.) White-flowered Bapt. 



Glabrous and glaucous ; Ivs. on short petioles ; Ifts. cuneiform-obovate, ob- 

 tuse; roc. long, erect; bracts caducous; leg. inflated, stipitate. Very conspicu- 

 ous in prairies, &c., Mich. la. ! to Ark. Stem thick, 2 3f high, branches 

 about 3, towards the summit. Racemes terminal, of large, white flowers, 6 

 24' long, showy. Leaflets 1 2' long, as wide, turning bluish-black in dry- 

 ing. Jn. Jl. 



4. B. AUSTRALIS. R. Br. (B. ccerulea. Nutt.) Blue-flowered Baptisia. 

 Glabrous ; petioles short ; Ifts. obovate, or somewhat oblong, obtuse ; slip. 



lanceolate, rather longer than the petioles, distinct at base ; rac. long, erect ; 

 bracts caducous ; pedicels rather shorter than the calyx ; leg. oblong-oval, stipe 

 long as the calyx. Alluvial soils, Ohio river, Clark! Harper's Ferry ! to Ga. 

 and La. Stem 2 3f high, branched. Petioles 1 G" long. Leaflets If 3' by 

 | 1', sometimes acute. Stipules | 1' long. Flowers indigo-blue, large. Pod 

 about 2' long. Jn. Aug. 



34. CERCIS. 



Gr. Kf>Kis, a weaver's shuttle ; from the form of the legumes. 



Calyx broadly campanulate, 5-toothed ; petals scarcely papiliona- 

 ceous, all distinct ; wings longer than the vexillum and smaller than 

 the keel petals ; stamens 1 0, distinct ; legume compressed, with the 

 seed-bearing suture winged ; seeds obovate. Trees with simple, cor- 

 date leaves and rose-colored flowers. 



C. CANADENSIS. Judas Tree. Red-bud. 



Lvs. broadly ovate-cordate, acuminate, villous on the veins beneath. A 

 handsome tree, 20 30f high, Mid. and W. States. The wood is finely veined 

 with black and green, and receives a fine polish. Leaves 3 4' by 4 5', entire, 

 smooth, 7- veined, on petioles 1 2' long. The flowers appear in advance of the 

 leaves, usually in abundance, in small, lateral clusters. Corolla bright purple. 

 May. The young twigs will dye wool a nankeen color. The old author Gerarde 

 in compliance with the popular notion of his time, says " This is the tree 

 whereon Judas did hang himself, and not on the elder tree, as it is said." 



SUBORDER 2. C ^ESALPIIVJE. 

 Corolla not papilionaceous, irregular. Stamens 10 or fewer, all distinct. 



35. CASSIA. 



From the Hebrew word Katzioth. 



Sepals 5, scarcely united at base, nearly equal ; petals 5, unequal, 

 but not papilionaceous ; stamens 10, distinct; 3 upper anthers often 

 sterile, 3 lower ones beaked; legume many-seeded. Trees, shrubs or 

 herbs. Lvs. simply, abruptly pinnate. 



1. C. MARILANDICA. American Senna. 



Plant smooth ; Ifts. G 9 pairs, oblong-lanceolate, mucronate, an obovoid 

 gland near the base of the common petiole ; fls. in axillary racemes and termi- 

 nal panicles. ?|_ This beautiful plant is frequently met with in alluvial soils, 

 (U. S.) growing in close masses, 3 5f high. Stem round, striate, often with 



