SUMMER KEY TO THE SPECIES OF CORNUS 
a. Leaves mostly alternate; branches usually greenish; flowers 
not surrounded by large petal-like bracts; fruit globular, 
biue, borne many in loose clusters....C. alternifolia, p. 207. 
aa. Leaves opposite; branches usually reddish or yellowish; 
flowers strrounded by large petal-like bracts; fruit 
ovoid, scarlet, borne in close clusters of 3-4.............00- 
sane ays ANe Deen Aw Re oeeen ee Sees eee vee C. florida, p. 205. 
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