Leguminosae. 



139 



Gleditsia. Honey Locust. 

 (Family Leguminosae). 



Trees, often large and spread- 

 ing, usually armed with often 

 horridly compound spines arising 

 above the axils and persisting on 

 the trunk. Twigs moderate, some- 

 what nodose and zig-zag, irregu- 

 larly terete: pith rounded, con- 

 tinuous, pale or pinkish. Buds 

 glabrous, sessile, superposed, the 

 uppermost often developing into 

 a spine or replaced by an inflo- 

 rescence-scar, the others more or 

 less covered by the torn margin 

 of the leaf-scar, glabrous, with 

 few scales, the end-bud lacking. 

 Leaf-scars alternate, rather large, 

 irregularly shield-shaped, little 

 raised: bundle-traces 3: stipule- 

 scars lacking. 



Winter-character references: 



G. japonica. Shirasawa, 239, pi. 



Blakeslee & Jarvis, 330, 333, 516, pi.; 



pi. 3; Hitchcock (1), 4, (3), 13, 



Bosemann, 51; Brendel, 28 



(4), 136, f. 46-8; Otis, 164; Schneider, f. 22 



Unarmed. 2. 



Spiny. 3. 



Large tree. (Thornless honey 1.). G. triacanthos inermis. 



Shrub. G. triacanthos elegantissima. 



Spines terete. 4. 



Spines flattened. 5. 



Tree. G. sinensis. 



Shrub. G. sinensis nana. 



Pods elongated, with many seeds. (1). G. triacanthos. 



Pods short, with 1-3 seeds. G. aquatica. 



