Cassia. | XLVII. § CHSALPINIEE (OLIVER). 269 
Flowers in axillary fascicles racemes or corymbs shorter 
than the leaves, or confluent above and terminal. Sepals 
nearly equal. Two anterior stamens longer. Legumes terete 
or flattened, unappendaged, 6-15 times longer than broad. 
Seeds variously flattened. 
Seeds transverse (across the pod). 
Leaflets 4-5 pairs. Petiole with obtuse gland near base. 
Legumes flattened. (Annual.). . . . . . . . 9. CG. occidentalis. 
Leaflets 5-9 pairs. Petiole with small gland near base. 
Legume turgid or subterete. (Shrubby.). . . . . 10.* OC. Sophera. 
Leaflets 3-4 pairs. Petiole with oblong glands between 
the leaflets. Legume terete. (Shrubby.) . . . . 11.* ©. levigata. 
Seeds longitudinal (lengthwise in the pod). Leaflets 2-3 
pairs. Legume 4-8 in. long, §—} in. broad. (§ Proso- 
sperma, Vog.) 12. C. Tora. 
Flowers in axillary (or subterminal), many-flowered, often 
elongate racemes. Sepals nearly equal. ‘T'wo anterior 
stamens larger. Legumes flattened. 
Legume with a broad longitudinal wing on each valve. 
Leaves 1~3 ft.; leaflets 9-12 pairs, 3-7 in. long . . . 13.* C. alata. 
Legume not winged. 
Stipules ovate-lanceolate, deciduous. Leaflets 4-5 pairs, 
4-6 in. long. Legume 6 times longer than broad, 
straight 26 s+ 8 tet od ow wen aes ree! Oe Oe, 
Stipules ovate-rotundate, reflexed. Leaflets 8-14 pairs, 
1-2 in. long. Legume 3-6 times longer than broad, 
straight or sinuous... ws 
Stipules linear-falcate. Leaflets 4-6 pairs. Legume 
straight, 6-8 times longer than broad. . . . | 
Stipules lanceolate or subulate. Legume 2-4 times 
longer than broad, falcate or subreniform. _ : 
Valves of legume with a row of crest-like plaits. 
Ibeaflets obtuse: oe 16. OC) obepares 
Valves of legume unappendaged. 
Leaflets 5-8 pairs, obtuse, pubescent. Legume : 
Poli: be ce ee ee Cee 
Leaflets 4-5 pairs, acute, puberulous, or glabrate. nee 
Legume Z-lin. broad. . . . .. . . . 18. C. acutifolia. 
Leaflets 5-8 pairs, acute, glabrous. Legume 7-8 ae 
lines broad vost dele terme set 2 10s CO anuetyona: 
15. C. didymobotrya. 
C. glauca, p. 277. 
C. Sepals rather obtuse, subequal. Stamens usually 4—6, all perfect. Leaflets in 
2 pairs. Flowers small, in lax short terminal or leaf-opposed racemes. Legume flat, 
13mm, (1% Abest, Vog}. 5s 8 tk ee ew ee 
D. Sepals, or at least the outer ones, acute. Stamens 10 or fewer, all perfect, similar 
and but slightly unequal (rarely 2-3 abortive); anthers linear. Legume 2-valved, 
flat, linear. Seeds compressed, the flat sides parallel with the valves. : Pedicels soli- 
tary, in pairs or fascicles, axillary or supra-axillary. Leaflets in 4-80 pairs. (§ Cham- 
ecrista, DC.) é ae : 
Leaflets, 4-7 pairs. Petiole with 1-3 stipitate glands, dif- a 
foe WHY 5. ee 4 Spee ees + + 2 eee 
Leaflets 8-80 pairs. 
Petiole with stipitate gland at base. Flowers small, : 
sepals 3 lines. Pedicels } in. Leaflets 8-18 pairs . 22. C. zambeswa. 
Petiole with sessile gland at base. Flowers small, sepals ae, 
2-3 lines. Pedicels 1-2 lines. Leaflets 8-18 pairs . 23. C. nigricans. 
Petiole with sessile gland at base. Sepals 3-5 lines. 
Pedicels }-4 in. Leaflets 10-80 pairs, usually 1-3 : : 
Hines long 6 0. 5 tt ee i eanonoides. 
