SHRUBS. 33 



Compound. 



226. Leaves digitate. 227. 

 Leaves pinnate. 230. 



227. Aromatic: leaflets 5-7. Vitex. 

 Not aromatic. 228. 



228. Leaflets three. 229. 



Leaflets more than 3. Aesculus. 



229. Twigs slender : tender. Jasminum. 

 Twigs stouter : hardy. Forsythia. 



230. Leaflets finely toothed. 231. 



Leaflets very coarsely toothed, or else lobed. 232. 



231. Pith large: fruit of small berries. Sambucus. 

 Pith not very large : fruit bladdery. Staphylea. 



232. Twigs very glaucous. Acer. 

 Twigs not glaucous. 233. 



233. Pith large: fruit of small berries. Sambucus. 

 Pith not very large : fruit a large pod. Campsis. 



Leaves whorled. 



234. Twigs with distinct hairy lines. Diervilla. 

 Twigs without hairy lines. 235. 



235. Rough with star-shaped hairs. Deutzia. 

 Without stellate hairs. 236. 



236. Leaves narrow and willow-like. Chilopsis. 

 Leaves not willow-like. 237. 



237. Buds concealed after leaf-fall. Philadelphus. 

 Buds not covered by a membrane. 238. 



238. Leaves glabrous except for the rough veins : buds 



sunken : flowers in a small head. Cephalanthus. 



Leaves rough or hairy : buds evident. 239. 



239. White beneath, with appressed twinned hairs. Cornus. 

 Without twin-hairs. 240. 



240. Leaves rough-hairy : bundle-traces 3 or 5. Hydrangea. 

 Leaves soft-pubescent : bundle-traces 9. Clerodendron. 



