114 LKCiUMlNOS.E. (pulse FAMILY.) 



SuuoiJUKR II. C^ESALPH^IEiE. Bkasilktto Family. 



42. CERCIS, L. Ued-bld. 



Calyx canipaniilate, 5-toothed. Petals all distinct, tlic vexillum shorter than 

 the wings. Stamens 10, distinct. Lej;iunc ol)long, compressed, many-seeded ; 

 the upper suture winged. — Trees, witii hroadiy-eordate simple stipulate leaves, 

 and reddish-purple clustered flowers aj)pearing before tiic leaves. 



1 C. Canadensis, L. — Rich .«oil, Florida to Mississipi, and nortiiward 

 February and March. — Tree 15° -20° high. Flowers very numerous, from 

 lateral buds. 



43. CASSIA, L. Senna. 



Calyx of 5 nearly distinct sepals. Petals 5, uncciual. Stamens 5- 10. An- 

 thers mostly of (liHercnt forms, opening by two terminal pores. Legume many- 

 seeded. Seeds often separated by cross partitions. — Herbs or shrubs. Leaves 

 abruptly pinnate. Flowers yellow. 



* Slameiis 10, ui)C(/uul : purl uf the anthers abortive • se])als obtuse : stipules 



deciduous. 



1. C. OCeidentalis, L. Annual, smoothish ; stem stout, branching ; leaf- 

 lets about 10, ovate or ovate-lanceolate, acute ; petiole with a globular gland at 

 the base; racemes 2-4-flowered, the upper ones crowded. — Waste places, com- 

 mon. — Stem 1° -5° high. Legume linear, erect, compres.sed, slightly curved, 

 3' -4' long. 



2. C. obtusifolia, L. Annual, roughish ; stem slender, leaflets 6, cune- 

 ate-obovaie, witii a tooth-like gland between the k)wcst pair ; flowers by jjairs ; 

 legume narrow-linear, 4-angled, recurved. — Waste places, Florida to Xorth 

 Carolina, and westward Stem l°-4° high. Legume 6'-10'long 



3. C. Marilandica, L. Perennial, smoothish; leaflets 12-18, oblong, 

 acute; petiole with a club-shaped gland near the base ; racemes several-flowered, 

 the upper ones ciowdcd, forming a compact pamcle ; k'srume linear, slightly 

 curved. — Rich soil, Florida to Mississippi, and northward August. — Stem 

 3°-40high. Legume 3' -4' long. 



4. C. angUStisiliqua, Lam.? Smooth or nearly ,<o ; stem branched; 

 leaflets 6-10., oblong, mucronate, very oblique at the base, hairy at the base 

 beneath, with a globular gland on the petiole or between the lowest pair of leaf- 

 lets; flowers in a terminal panicle, on slender pedicels ; sepals oblong-obovate : 

 petals yellow, veiny ; perfect anthers oblong, the larger ones curved ; legume 

 (3' -4' long) broadly linear, flat, straight or somewhat falcate, many-seeded. 

 — South Florida. Feb. — Leaflets 9'' - 12" long. Legumes 4' wide. . 



.5. C. biflora, L. Shrubby; leaflets 4 - 10, oblong, narrowed at the base, 

 mucronate, with an oliovoid gland between the lowest pair; racemes 2-4-flow- 

 ered, often by j)airs, slender, shorter than the leaves ; fertile anthers 5 ; legume 

 linear, flat, straight or somewhat falcate, smooth, many-seeded. — Key West. — 

 Leaflets 1' long Legume 3' long, 2" wide. 



