STAPHYLEACEAE. 



201 



STAPHYLEA. Bladdernut. 

 ( Family Staphy leaceae ) . 



Shrubs or small trees: decidu- 

 ous. Twigs moderate, rounded, 

 glabrous : pith rather large, 

 rounded, continuous, white. Buds 

 solitary, sessile, ovoid, glabrous, 

 with a single sac or 2 or 4 ex- 

 posed scales, the end-bud com- 

 monly lacking. Leaf-scars op- 

 posite, broadly crescent-shaped or 

 half - round, slightly raised: 

 bundle-traces 3, compound, or 

 often 5 or 7 or broken into an 

 elliptical series: stipule-scars half- 

 round or elongated. 



Winter-character references: 

 Staphylea Bumalda. Shirasawa, 

 271, pi. 10. 8. pinnata. Schneider, 

 f. 193; Willkomm, 51, f. 94; Zuc- 

 carini, 29, pi. 16. 8. trifolia. 

 Brendel, 28, 29, 30, pi. 1; Hitch- 

 cock (3), 11, (4), 135, f. 32-34; 

 Schneider, f. 193. 



1. Buds with 4 blunt exposed scales. (1). S. trifolia. 

 Buds 2-edged, with 2 sometimes connate exposed scales. 2. 



2. Buds acute: bundle-traces 5 or 7. S. pinnata. 

 Buds acuminate: bundle-traces three or five. 3. 



3. Twigs brown: buds long-pointed. (2). S. Bumalda. 

 Twigs green: buds short-pointed. (3). S. colchica. 



Winter-characters of Euscaphis japonica, another mem- 

 ber of the Staphyleaceae, are given by Schneider, f. 193; and 

 Shirasawa, 275, pi. 11. 



