108 LEGUMINOS2E. (PULSE FAMILY.) 



lete. Base of the petioles hollow, and enclosing the leaf-buds of the next year. 

 Bracts minute and fugacious. (Name of obscure derivation.) 



1. C. tinctoria, Raf. (Virgilia lutea, Mlclix. /) Rich hill-sides, E. 

 Kentucky and Tennessee. May. Racemes 10' -20' long. Flowers 1' long. 



SUBORDER II. C^ESALPINIE^. THF BRASILETTO FAMILY. 



31. CERCIS, L. RED-BUD. JUDAS-TREE. 



Calyx 5-toothed. Corolla imperfectly papilionaceous : standard smaller than 

 the wings, and enclosed by them in the bud : the keel-petals larger and not 

 united. Stamens 10, distinct, rather unequal. Pod oblong, flat, many-seeded, 

 the upper suture wifh a winged margin. Embryo straight. Trees, with 

 rounded-heart-shaped simple leaves, deciduous stipules, and red-purple flowers 

 in little umbel-like clusters along the branches, appearing before the leaves, nrid 

 to the taste. (The ancient name of the Oriental Judas-tree.) 



1. C. Canadnsis, L. (RED-BUD.) Leaves pointed; pods nearly 

 sessile above the calyx. Rich soil, New York to Ohio, Kentucky, and south- 

 ward. March -May. A small ornamental tree, often cultivated : the blossoms 

 smaller than in the European species. 



32. CASSIA, L. SENNA. 



Sepals 5, scarcely united. Petals 5, unequal, not papilionaceous, spreading. 

 Stamens 5-10, unequal, and some of them often imperfect, spreading: anthers 

 opening by 2 pores or chinks at the apex. Pod many-seeded, often with cross 

 partitions. Herbs (in the United States), with simply and abruptly pinnate 

 leaves, and mostly yellow flowers. (An ancient name, of obscure derivation.) 



* Leaflets larye: stipules deciduous: the 3 upper anthers deformed and imp< rf,ct: 



flowers crowded in short axillary racemes, the upper ones pam'chd. 



1. C. UlariltilftdiCa, L. (WlLD SENNA.) leaflets 6-9 pairs, lancro- 

 tate-oMony, obtuse ; petiole with a club-shaped gland near the base; pod* linear, 

 slightly curved, flat, at h'rst hairy (2' -4'). U Alluvial soil, common. July. 

 Stem 3 -4 high. Leaves used as a substitute for the o'licinal S< i,,/(t. 



2. C. OCCIDENTALS, L. Leaflets 4 - 6 pairs, ovate-lanceolate, acute or point- 

 ed; an ovate gland at the base of the petiole; jmds elongated-linear (5' long) 

 with a tumid liordcr, glabrous. (1) 1J. ? Virginia and southward. Auir. 

 (Adv. from Trop. Amer.) Se addend. 



* * Luifli'ts small, somewhat sensitive to the touch : stipules stn'ate, persistent : a cup- 

 shap'-d (//and IK in nth the lowest pair of leaflets : antlters all perfect: Jhwct* in 

 tiiuill clusters above the axils : pods flat. 



3. C. Cliamsecrista, L. (PARTRIDGE PEA.) Leaflets 10-15 puirs, 



linear-oblong, oblique at the base ; fluicrrs (larye) on s/ciidt-r pidirds; anthers 10, 

 elonyatcd, uuct/ual (4 of them yellow, the others purple.); style slender, (i, 

 Sandy fields; common, especially southward. Aug. Stems spreading, 1 

 lontf 9. or 3 of the showy yellow petals often with a purple spot at the base. 



