160 Proceedings of the Ohio State Academy of Science 



beautiful pink or white flowers and a large edible drupe. Leaves 

 with prominent nectar glands on the petiole or at the base of the 

 blade. Leaves and kernels bitter, poisonous. Native of Asia ; 

 abundantly escaped. Ohio. 



Fahaceae. Pea Family. 



Cassiatae. Senna Subfamily. 

 44. Cercis L. Redbud. 



Small trees or shrubs with simple, palmately veined, 2-ranked 

 leaves. Fruit a flat bean. 



I. Cercis canadensis L. Redbud. A small tree with 

 bright red-purple flowers before the leaves ; fine for ornamental 

 purposes. Wood hard and heavy, beautifully variegated. In 

 rich soil. Easily cultivated. Ont. to ]\Iinn.. Neb., N. J.. Fla., 

 Tex., and Ohio. 



45. Gleditsia L. Honey-locust. 



Large usually thornv trees with evenly once or twice pinnate 

 leaves and superposed buds. Fruit a bean. 



1. Pod linear-oblong, many seeded, pulpy within; learicts short stalked, 



oblong-lanceolate or oval, obtuse at both ends, inequilateral at 



the base. G. triacaittlios. 

 1. Pod obliquely oval, l-seeded, not ])ulpy : leaflets thicker, darker 



green, usually larger, ovate-lanceolate or lanceolate, the margin 



more crenulate. G. aquatica. 



1. Gleditsia triacanthos L. TToney-locust. A large tree 

 of rapid grcjwth, usually with st(jut branching or simple thorns 

 and with rough bark. L^sed as a hedge plant. Autumn leaves 

 pure yellow. Wood heavy, hard, strong, and tough; used for 

 fencing, fuel and wagon hubs. Sprouts freely from the roots if 

 disturbed by plowing. Grows well in dry or sandy soil. Ont. 

 to S. Dak., Ohio, Ga.. Kan., and Tex. 



2. Gleditsia aquatica Marsh. Water Honey-locust. A 

 tree growing in swamps. Ind. to Mo., S. Car., Fla., and La. 



