106 



DESCRIPTIONS 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 6 feet, from Japan. JAPAN BLADDER NUT , 



Staphylea Buinalda. 

 A. End blade long-stalked, all finely serrated ; upright shrub with 



stout branches 6-15 feet high ; pod 1^-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 B61anderi. 



* 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 

 pinnata. 



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

 der 1-2 inches long. CAUCASUS BLADDER NUT (113) Staphy- 

 lea colchica. 



cW^-^V/-"-, 

 V-iV-- ^ 



*_ - ._, ,*,v.^& k :i -_^_ - 



^tC i-j* .^r-v** / 

 , -TTfiF . rtcetf '-.^ i !\ .'/ 



FIG. 114. Staffhorn Sumach. 



FIG. 115. Mountain Sumach. 



