OLEACEAE. 313 
SYRINGA. Lilac. 
(Family Oleaceae). 
Shrubs, exceptionally tree-like: 
deciduous. Twigs moderate or 
slender, usually somewhat 4-lined 
or 6-sided: pith moderate, homo- 
geneous, roundish, pale. Buds 
solitary or exceptionally collater- 
ally multiple, sessile, ovoid, mode- 
rate, with about 4 pairs of scales, 
the end-bud frequently absent and 
the branches then forking. Leaf- 
sears opposite, crescent- or shield- 
shaped, raised, rather small: 
bundle-trace 1, transverse and 
compound: stipule-scars lacking. 
Winter-character references: — 
Syringa amurensis. Schneider, f. 
212. S. chinensis. Bosemann, 66; 
Schneider, f. 211. 8S. japonica. 
Schneider, f. 212; Shirasawa, 277, 
pl. 11. 8S. josikaea. Schneider, f. 
211. S. oblata. Schneider, f. 210. 
S. persica. Bosemann, 66; Schneider, f. 211. S. pubescens. 
Schneider, f. 210. S. vulgaris. Bosemann, 66; Fant, 46, f. 
5t; .Sehneider, f..210;° Shirasawa, 277, pl. Tl: Ward, 1:14,-f 
5, 42, 157, f. 74; Willkomm, 46, f. 79; Zuccarini, 8, pl. 5. 
1. Bud-seales fleshy. (Common lilac). (1). S. vulgaris. 
Bud-seales quickly drying. 2. 
2. Twigs slender: lateral buds compressed. (2). S. persica. 
Twigs rather stout: buds plump. (3). S. villosa. 
