XXXVI 



245. Leaves narrow, willow-like. p. 139. Chilopsis 

 Leaves not willow-like. 246. 



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

 Buds not covered by a membrane. 247. 



247. Buds small and sunken, or flowers in heads. 248. 

 Buds evident. 249. 



248. Leaves succulent: heads green. p. 147. Iva. 

 Leaves not fleshy: flowers white. p. 140. Cephalanthus. 



249. Leaves with twinned hairs beneath. p. 109. Cornus. 

 Leaves without twinned hairs. 250. 



250. Bundle-traces 3 or 5. . p. 48. Hydrangea. 

 Bundle-traces 9. p. 135. Clerodendron 



