KEYS TO THE GENERA 45 



14-lobed border. Ddphne 

 (p. 298). 

 5-lobed spreading border. 

 Plumbago (p. 268). 

 G. Petals separate. (I.) 

 I. Flowers large with 6, 9, or 12 thick petals. Magn61ia (p. 58). 

 I. Flowers with 6 petals (or double). Exochorda (p. 161). 



Spir&a (p. 146). 

 I. Flowers irregular, pea-shaped. Cytisus (p. 113). 

 P. Flowers small, under ^ inch, with the petals separate, or so 

 nearly so as to appear separate. (J.) 

 J. Petals definitely 4 (in Skimmia 4 or 5). Cornus (p. 214). 



NemopAnthus (p. 88). Skimmia (p. 84). 

 J. Petals 5 (rarely 4-6). Ilex (p. 86). Spiraea (p. 146). Lfedum 

 (p. 263). Cotone&ter (p. 176). Polygonum (p. 299). Ceanb- 

 Ihus (p. 97). 

 J. Other southern shrCibs with small white or nearly white flowers. 

 Arbutus (p. 249). Ardfsia (p. 208). Cleyfera (p. 81). Pittd- 

 sporum (p. 68). Symplocos (p. 273). Ruscus (p. 323). 

 F. Flowers small, under ^ inch, with plainly united petals. (K.) 

 K. Flowers tubular, urn-shaped, or globular. (L.) 

 L. Fruit dry many-seeded pods. Andrdmeda (p. 249). 

 L. Fruit fleshy with 10 or more seeds. Gayluss&.cia and Vaccin- 

 ium (p. 244). 



{plant spiny. Bumfelia (p. 269). 

 no .spines. Styrax (p. 270). Vacclnium 

 (p. 244). 



* Flowers inconspicuous, catkin-like or very rare. (M.) 

 M. Flowers in catkins ; wood soft. SMix (p. 314). 



M. Leaves oblong, evergreen ; juice milky. Ficus (p. 308). 



M. Leaves broad and rounded at tip ; fruit smoke-like. Ehiis (p. 107) . 



M. Fruit 3-seeded berries. Rh^mnus (p. 93), 



M. Fruit 1-seeded drupes. Myrica (p. 311). 



Key 6. Leaves alternate, simple, with notched but not lobed edges. 

 (For small-leaved plants, leaves under 1 inch long, use Key 9, p. 51.) 

 Key based on all plant parts. Key based more particularly on 

 flowers will be found next. Key 6a. 



* Spiny or thorny plants. (A.) 



A. Flowers with 5 separate petals, blooming in spring. Cratsegus 



(p. 173). Primus (p. 142). Pyrus (p. 182). 

 A. Flowers nodding, yellow or yellowish. Elseagnus (p. 300). B^r- 



beris (p. 64). 



