44 KEYS TO THE GENERA 



A. Evergreens with large, 1 inch or more, yellowish flowers. 

 . Magnblia fuscita (p. 61). 



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

 Acicia (p. 132) . 



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



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

 acter). (C.) 



C. mowers large, bell-shaped, somewhat irregular, in clustere in 

 summer. Rhododendron (p. 260). 



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

 Kd,lmia (p. 256). 



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. D5,phne (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. Aslmina (p. 64). 

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



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

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



(p. 127). 

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



Magn61ia (p. 58). 

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

 cfnium (p. 244). 



■ 4-lobed border. Diphne 



(p. 298). 

 5-lobed broadly spreading 

 border. Plumbago (p. 

 268). 



* Flowers white, creamy, or pinkish to greenish. (F.) 

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



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

 (H.) 

 H. Funnol-shaped and slightly irregular. Azilea (p. 257). 

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

 dodendron (p. 260). 

 H. Cup-shaped with 10 stamens in dents of corolla. K41mla 



(p. 2.W). 

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



E. Flowers with a long tube and a 



