xxxiv SHRUBS 



213. Most leaves entire. p. 147. Symphoricarpos. 

 Most leaves regularly low-toothed. p. 144. Abelia. 



214. Soft-wooded and tender. 215. 

 Fully lignified and hardier. 219. 



215. Leaves glossy. 216. 

 Leaves rather dull. 217. 



216. Flowers minute, in heads: leaves fleshy. p. 147. Iva. 

 Flowers small, clustered. p. 128. Fontanesia. 

 Flowers large, hanging from the axils. p. 109. Fuchsia. 



217. Twigs very slender, puberulent. p. 135. Caryopteris. 

 Twigs stouter. 218. 



218. Twigs 2-lined. p. 146. Diervilla. 

 Twigs 4-sided or winged. p. 133. Buddleia. 



219. With few coarse branches. p. 48. Hydrangea. 

 Bushy or with slender branches. 220. 



220. Leaves very rugose: leaf-scars ciliate. p. 62. Rhodotypos. 

 Leaves neither very rugose nor leaf-scars ciliate. 221. 



221. Bundle-traces 3 or more. 222. 

 Bundle-trace one. 225. 



222. With simple appress^d hairs. p. 48. Hydrangea. 

 With star-shaped hairs. p. 47. Deutzia. 

 Without such hairs. 223. 



223. Leaves woolly beneath: bark exfoliating. p. 49. Jamesia. 

 Leaves not woolly, but sometimes scurfy. 224. 



224. Twigs slightly 2- or 4-lined. p. 146. Diervilla. 

 Twigs without raised lines. p. 142. Viburnum. 



225. Buds superposed: fruit drupe-like. p. 130. Forestiera. 

 Buds not superposed: fruit lobed. p. 87. Evonymus. 



Lobed. 



226. With nectar-glands on the petiole. p. 142. Viburnum. 

 Without such nectar-glands. 227. 



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

 Leaves not very large. 228. 



228. Pith excavated or chambered. 229. 

 Pith continuous. 230. 



