CSJSALPINIA 



129 



FIG. 163. Australian Senna. 



FIG. 104. Corymbed Seuna. 



KEY TO THE ORNAMENTAL SENNAS 



* Herbaceous but shrub-like in appearance, sometimes cultivated. 



Hardy. Leaves light green of 8-18 blades ; flowers in axillary 

 clusters near the tips of branches ; pods linear, flat, curved, 3-4 

 inches long. Good for damp places. WILD SENNA Cassia mary- 

 landica. 



* Shrubs, hardy only far South. (A.) 



A. 6-10 feet high ; leaves with 12-20 narrow pointed blades ; Clus- 

 ters of narrow flowers shorter than the leaves, pods thin. AUS- 

 TRALIAN SENXA (163) Cassia Soph6ra. 



A. 4-10 feet high ; leaves with 6 somewhat curved blunt blades. 

 COKYMBED SEXNA (164) Cassia corymbosa. 



A. Tree-like shrub with soft gray hairs all over ; leaves with 6-8 

 narrow linear blades ; flowers deep yellow. Good for dry locali- 

 ties. ARTEMISIA-LEAVED CASSIA Cassia artemesioides. 



Cassalpinia. The BRASILETTO shrubs and trees are tropic. Leaves 

 abruptly twice-pinnate ; flowers with 5 stalked petals and 10 very lung 

 and bright colored stamens ; the fruit is a pod. Most of the species in cul- 

 tivation in this country are hardy only in Florida and southern California. 

 The most hardy species, JAPAN C.KSAI.IMMA (165) Ca;salpinia japonica, 

 APCAR'S SHRUBS 9 



