xxxii SHRUBS 



Leaves opposite. 



180. Leaves simple. 181. 

 Leaves compound. 234. 



181. Leaves entire. 182. 



Leaves, or many of them, toothed. 204. 

 Leaves, or many of them, lobed. 226. 

 Entire. 



182. Leaves with pellucid dots. p. 104. Hypericum 

 Leaves not pellucid-dotted. 183. 



183. Very aromatic when crushed. p. 43. Calycanthus, 

 Not noticeably aromatic. 184. 



184. Leaves very large, cordate. p. 137. Paulownia, 

 Leaves only moderately large. 185. 



185. Pith chambered or excavated: twigs slender. 186. 

 Pith continuous. 187. 



186. Buds superposed on strong branches, p. 144. Lonicera. 

 Buds not superposed. p. 147. Symphoricarpos 



187. Leaves narrow and willow-like. 188. 

 Leaves not willow-like. 189. 



188. Low and spreading. p. 144. Lonicera. 

 Taller. p. 139. Chilopsia. 



189. Leaves with appressed twinned hairs, p. 109. Cornus. 

 Without such hairs. 190. 



190. Half-lignified, often dying back in winter. 191, 

 Harder-wooded and hardier. 192. 



191. Leaves glossy, rather small. p. 128. Pontanesia. 

 Leaves dull, rather large. p. 135. Clerodendron, 



192. Leaves scarcely 25 mm. wide. 193. 

 Leaves distinctly larger. 200. 



193. Leaves microscopically dark-dotted beneath. 194. 

 Leaves not dotted. 195. 



194. Fruit fleshy. p. 131. Ligustrum. 

 Fruit a capsule. p. 130. Syringa. 



195. Leaves nearly as broad as long. 196. 

 Leaves more elongated. 197. 



196. Buds superposed on strong branches, p. 144. Lonicera. 

 Buds not superposed. p. 147. Symphoricarpos. 



