102. 
193. 
194. 
SHRUBS, 31 
Buds sunken: flowers in a round head. Cephalanthus. 
Buds evident: flowers not in heads. 193. 
Bud-scales hard-pointed: fruit a drupe. Chionanthus. 
Bud-scales not hard-pointed, or else fruit dry. 194. 
Leaves microscopically dotted beneath: fruit dry. Syringa. 
Leaves sometimes scurfy: fruit fleshy. Viburnum. 
Toothed. 
. Buds naked. 166. 
Buds with a single scale, in front. Salix. 
Buds with several scales, or else concealed. 197. 
. Buds solitary: twigs firm. Viburnum. 
Buds superposed: twigs slender or soft. Calhcarpa. 
. Twigs with 2 conspicuous hairy lines. Diervilla. 
Twigs without hairy lines. 108. 
. Leaves narrow and willow-like, often whorled. Chilopsis. 
Leaves not willow-like. Igo. 
. Pith hollowed, or with firmer diaphragms. 200, 
Pith homogeneous, rarely spongy. 206. 
. Buds solitary over each leaf. 201. 
Buds finally clustered: hairs not stellate. Forsythia. 
. Glabrous. 202, 
More or less hairy. 203. 
. Fully lignified: twigs with 4 lines or angles. Forsythia. 
Half-wooded and tender. Leycesteria. 
. Hairs star- or shield-shaped. 204. 
Hairs not star-shaped.~ 205. 
. Buds naked. Viburnum. 
Buds scaly. Deutzia. 
. Most leaves entire. Symphoricarpos. 
Leaves regularly but shallowy toothed. Abelia. 
. Buds concealed after leaf-fall. Philadelphus. 
Buds exposed. 207. 
. Partly woody, or regularly dying back in winter. 208. 
Fully lignified. 212. 
. Leaves glossy. Fontanesia. | 
Leaves rather dull. 200. 
