44 KKYS TO THE GENERA 



A. Evergreens with lar<2;e, 1 inch or more, yellowish flowers. 

 Magn61ia fusc^ta (p. 61). 



A. Flowers apparently consisting only of long stamens in clusters. 

 Acacia (p. 132). 



* Flowers red, bright pink, purplish or lilac to blue. (B.) 



B. Leaves evergreen (thick smooth leaves indicate evergreen char- 

 acter). (C.) 



C. Flowers large, bell-shaped, somewhat irregular, in clusters in 

 summer. Rhododendron (p. 2(50). 



C. Flowers large cup-shaped with 10 stamens in dents of corolla. 

 Kalmia (p. 250). 



C. Flowers small ovate or urn-shaped with 5-lobed border. An- 

 dromeda (p. 249). Arbutus (p. 249). Vaccfnium (p. 244). 



C. Flowers with a tubular portion, 4-lobed spreading border and 

 8 included stamens. Daphne (p. 298). 



B. Leaves thinner and deciduous. (D.) 



D. Spiny plants with purplish flowers. Lycium (p. 284). 

 D. No spines. (E). 



E. Flowers purplish brown, 1 inch wide, in early spring ; fruit 



fleshy, 2-5 inches long. Asimina (p. 64). 

 E. Flowers funnel- or bell-shaped and somewhat irregular. 



Azalea (p. 257). Leucophyllum (p. 285). 

 E. Plowers pea-shaped, purplish red, in early spring. C^rcis 



(p. 127). 

 E. Flowers solitary, large with 0, 9, or 12 separate thick petals. 



Magnolia (p. 58). 

 E. Flowers small ovate with a 5-lobed border, in clusters. Vac- 

 cinium (p. 244). 



' 4-lobed border. Daphne 



(p. 298). 

 5-lobed broadly spreading 

 border. Pliimb^go (p. 

 208). 

 Flowers white, creamy, or pinkfsh to greenish. (F.) 

 F. Flowers large, i-8 inches wide. (G.) 



G. Petals united at their bases and completely grown together. 

 (H.) ■ 



H. Funnel-shaped and slightly irregular. Azklea (p. 257). 

 H. Bell-shaped, somewhat irregular ; leaves evergreen. Rho- 



dod^'ndron (p. 200). 

 H. Cup-shaped with 10 stamens in dents of corolla. Kalmia 



(p. 250). 

 H. Bell-shaped, regular with 4 lobes. Stjrax (p. 270). 



E. Flowers with a long tube and a 



