i84 LEGUMINOSAE 



Sub-family CAESALPINIACEAE. K5 or (5), C5, Aio, Gi 



Fls. not or only slightly resembling those of sweet pea. 



* Bauhinia densiflora. 10, June. D. Ls. simple, ov., 2\, divided to one- 

 third depth into kidney-shaped halves, downy below. Fls. \, white, in short downy 

 racemes. West China. (Fig. 27 a.) 



Caesalpinia japonica. 8. June-July. D. Branches rambling, prickly. Ls. 

 2-pinnate; Iflts. ov., f, entire, downy below. Fls. i|, yellow, in large terminal 

 racemes; petals spreading, nearly equal; stamens red. Pod 3x1, ov., lane, flat, 

 6-9-seeded. Japan. (Fig. 20 f.) 



CASSIA. Ls. pinnate, without terminal Iflt. ; Iflts. lane, entire. Fls. |, yellow, 

 in terminal or axillary racemes, petals spreading. Pod 4. 



* C. corymbosa {C. florihunda). 10. Ls. 6-fol. Fls. in branched clusters. 



South America. 

 C. marylandica. Wild Senna. 3. June-September. D. Ls. io-20-fol.; Iflts. 



2^, ending in bristle. Petals yellow, stamens purple. Pod linear, flat. 



U.S.A. (Fig. 13 H.) 



CERCIS. Ls. alternate, simple, broadly ov. or circular, 4, heart-shaped base, 

 chief veins palmate, hairless. Fls. |, pink or purplish, in clusters on old wood, 

 appearing before leaves. Pod 5 X ^, flat, red. 



C. canadensis. Redbud. 30. May. D. Ls. with short point at apex. Fls. rosy 



pink. North America. 

 C. Siliquastrum. Judas Tree. 20. May. D. Ls. rounded or notched at apex. 



Fls. purplish red. Mediterranean region. (Fig. 117 k.) 



GLEDITSCHIA. Locust. Stems and branches usually armed with stout and 

 often branched spines. Ls. pinnate or 2-pinnate. Fls. small, green, in racemes, 

 petals spreading. Pod large, flattened. 



G. aquatica. Water Locust. 60. June. D. Trunk with branched spines. 

 Lflts. ov., I, toothed. Pod 2, thin, diamond-shaped, 1-2-seeded. South 

 United States. (Fig. 19 c.) 



G. caspica. Caspian Locust. 40. July. D. Very spiny. Lflts. ov., 2, toothed. 



Pod 8, curved. North Persia. 

 G. japonica {G. horrida). Japanese Locust. 70. June-July. D. Spines slightly 



flattened, up to 4 long, often branched. Lflts. ov., i|, entire or sparsely 



toothed. Pod 12, curved, twisted, seeds near middle. Japan. 

 G. triacanthos. Honey Locust. 140. July. D. Trunk with bunches of large 



spines. Lflts. ov., lane, i^, toothed. Pod 18, sickle-shaped. East United 



States. (Fig. 19 b.) 



Variety inermis. Without spines or nearly so; more slender growth, 



Gymnocladus canadensis (G. dioica). Kentucky Coffee Tree. 100. July. D. 

 Ls. 2-pinnate; lflts. ov., 3, entire, lowest pairs not divided; common stalk left on 

 branches after fall of Is. Fls. ^, greenish white, in terminal panicles, unisexual. 

 Pod oblong, 9, thick, brown; seeds large, circular. North America. (Fig. 19 e.) 



