Key 53 



Page 



(1) Leaves bright green, 



small Condalia — 132 



(2) Leaves not bright green Prunus — 92 



n. Branches not thorny. 



1. Branches zigzag. 



(1) Leaves less than %" long Prunus — 92 



(2) Leaves over y 2 " long Colubrina — 131 



2. Branches not zigzag. 



(1) Leaves aromatic, covered with 



branched hairs Croton — 120 



(2) Leaves not as in (1). 



r. Leaf-biades 2— 5" long Rhamnus — 131 



s. Leaves less than 2 1 / &" long. 



(a) Branches arched and wide 



spreading Adelia — 159 



(b) Branches neither arched nor 



wide spreading . 



(1) Blades glossy, bright 



green Ilex— 128 



(2) Blades dull, dark green Brayodendron— 158 



y. Leaves with more than 1 main vein at 



base. 



m. Branches thorny. 



(1) Younger branches streaked length - 



w j se Zizyphus — 131 



(2) Younger branches not streaked... Crataegus 91 



n. Branches not thorny. 



1. Tendrils present • • Vitis — 



2. Tendrils none. 



(a) Branches zigzag .Colubrina— -131 



(b) Branches not zigzag. 



(1) Leaves less than %" long. ... Philadelphus— 90 



(2) Leaves over %" long. 



o. Leaves aromatic, covered with 



branched hairs Croton— 120 



p. Leaves not covered with 



branched hairs. 



(1) Leaves large, rounded, 



heart-shaped at base Cercis — 96 



(2) Leaves large, oval to 

 ovate, not heart-shaped 



at base Ceanothus — 130 



