106 



DESCKirnONS OF THE SHRUBS 



KEY TO THE SPECIES OF STAPHYLEA 



* Leaves with 3 blades. (A.) 



A. All the blades short-stalked with serrate awned edges H-2^ 



inches long ; fruit 2-lobed and flattened, about an inch long ; 



small shrub to feet, from Japan. Japan Bladder Nut — . 



Staphylea Bumalda. 

 A. End blade long-stalked, all finely serrated ; upriglit slu-ub with 



stout branches 6-15 feet high ; pod li-2 inches long. American 



Bladder Nut (111) — Staphylea trifolia. 



A. Similar to the last but the blades smoother and nearly orbicular ; 

 fruit larger, — 2-5 inches long. California Bladder Nut ^ 

 Staphylea Bolanderi. 



* Leaves with 3-7 blades. (B.) 



B. Cluster of flowers narrow and raceme-like and pendulous ; up- 

 right shrub sometimes tree-like, 6-15 feet high ; bladder about 

 an inch long. European Bladder Nut (112) — Staphylea 

 pinn^ta. 



B. Cluster broad, upright or somewhat nodding ; blades 3-5 ; blad- 

 der 1-2 inches long. Caucasus Bladder Nut (113) — Staphy- 

 lea colchica. 





V^'.-.— , 







Fig. Ill- — Staghorii Sumach. 



Fig. li; 



Mountain Sumacn. 



