SHRUBS xxxiii 



197. More or less stellate-pubescent. p. 47. Deutzia. 

 Without star-shaped hairs. 198. 



198. Leaves not truly opposite, in 4 ranks, p. 97. Rhamnus. 

 Leaves in opposite pairs. 199. 



199. Leaves scarcely 2 cm. long, rough. p. 49. Fendlera. 

 Leaves distinctly larger. p. 109. Cornus. 



200. Leaves white beneath, rough-edged. p. 130. Syringa. 

 Leaves at most pale green beneath. 201. 



201. Buds evident: flowers not in heads. 202. 



Buds sunken in the stem. p. 140. Cephalanthus. 



202. Bud-scales not pungently pointed. 203. 

 Bud-scales hard-pointed. p. 131. Chionanthus. 



203. Leaves finely dotted beneath. p. 130. Syringa. 

 Leaves not dotted, sometimes scurfy, p. 142. Viburnum. 



Toothed. 



204. Buds with a single scale, in front. p. 19. Salix. 

 Buds naked. 205. 



Buds with several scales or else concealed. 206. 



205. Soft-wooded: buds superposed. p. 135. Callicarpa. 

 Fully lignified: buds solitary. p. 142. Viburnum. 



206. Buds covered by a membrane. p. 46. Philadelphus. 

 Buds exposed after leaf-fall. 207. 



207. Twigs with 2 usually hairy lines. p. 146. Diervilla. 

 Twigs without such lines. 208. 



208. Leaves willow-like, some whorled. p. 139. Chilopsis. 

 Leaves broader or else pith chambered. 209 



209. Pith excavated or chambered. 210. 

 Pith continuous or at most spongy. 214. 



210. Glabrous. 211. 



More or less hairy. 212. 



211. Soft-wooded and very tender. p. 146. Leycesteria. 

 Fully lignified: buds clustered. p. 129. Forsythia. 



212. Hairs star- or shield-shaped. p. 47. Deutzia. 

 Hairs not star-shaped. 213. 



