36 KEYS TO THE GENERA 



D. Flowers waxy-white, often double ; leaves evergreen. 



Gardfenia (p. 240). 

 D. Flowers with a toothed crown in center ; leaves evergreen. 



Nferium (p. 270). 

 D. Flowers witli a conspicuous colored calyx. Clerodendron 

 (p. 291). 

 B. Tube very short, flowers broadly spreading with a 5-lobed 



border. Viburnum (p. 219). 

 B. Flowers bell-shaped, yellow, 4-lobed, in earliest spring, 



Forsythia (p. 274). 

 B. Flowers cup-shaped with 10 stamens in dent-like pockets, in 

 summer. Kalmia (p. 25G). 

 A. Flower petals entirely separate (in Chionauthus only apparently 

 separate). (B.) 

 E. Flowers 1 inch or more in size. (F.) 

 F. Flowers yellow with many stamens. Ascyrum (p. 74). Hy- 

 pericum (p. 77). 

 F. Flowers purplish with many thick pieces and sweet odor. 



Calyoanthus (p. 186). 

 F. Flowers bright scarlet with thick elongated calyx ; fruit large. 



• Punica (p. 209). 

 F. Flowers of many colors with stalked and wrinkled petals. 



Lagerstrdfem ia (p. 209). 

 F. Flowers wliite (sometimes purplish ; often with a dark center 

 in Cfstus). (G.) 

 G. Petals 5 (rarely 4) ; stamens many ; leaves generally 

 aromatic. (H.) 

 H. Fruit dry pods; flowers large and rose-like. Cfstus 



(p. 71). 

 H. Fruit fleshy ; southern. Myrtus (p. 204). Eugfenia 

 (p. 206). PsMium (p. 200). 

 G. Petals 4, rounded and broadly spreading. (I.) 

 I. Flowers 1-2 inches wide, usually sweet-scented. Phila- 



d^lphus (p. 196). 

 I. Flowers apparently over 2 inches wide (the true flowers 

 are small and in the center). C(5rnus (p. 214). 

 G. Petals 4, long and slender (somewhat united at base). 

 Chionanthus (p. 287). 

 E. Flowers smaller. (J.) 



J. Petals 5 ; stamens many. Hypericum (p. 77). Eugfenia 



(p. 206). 

 J. Petals 4, yellow; stamens many. Ascyrum (p. 74). 

 J. Petals and stamens 4 or 5. Eu6iiymus(p.91). C6rnus(p. 214). 



