306 
STYRACACEAE. 
STYRAX. Storax. 
(Family Styracaceae). 
Shrubs: deciduous. Twigs 
rounded, rather slender, zig-zag, 
rough-scurfy: pith small, rounded, 
continuous, green. Buds small, 
sessile, naked, scurfy, superposed, 
the end-bud lacking. lLeaf-scars 
alternate, 2-ranked, at first torn, 
narrow and shriveled, finally 
broadly crescent-shaped and less 
raised with a central more or less 
fragmented bund-e-trace: stipule- 
sears lacking. 
Winter-character references: — 
Styraz japonica. Shirasawa, 238, 
pl. 2. S. Obassia. Shirasawa, 238, 
pl. 2. S. officinalis. Schneider, 
AE Shy B 
The gum styrax of druggists is 
not obtained from_ species of 
Styrar though the genus gets its 
name from that substance which 
is produced by the Oriental equivalent, Liquidambar orient- 
ale, of our sweetgum which derives its specific name from 
the same substance. 
1. Twigs very slender: buds short (scarcely 3 mm.). 
S. americana. 
Twigs stouter (2-3 mm.): buds rather long (4-6 mm.). 2. 
2. Twigs 2 mm. thick: bark not exfoliating. (1). S. japonica. 
Twigs stouter (3 mm.): bark exfoliating. S. Obassia. 
