Proceediii^o;s of the Ohio State Academy of Science 177 



Subclass, Sympetalae Epigynae. 

 Order, Umbellales. 



Araliaceae. Ginseng Family. 

 74. Aralia L. Aralia. 



Herbs, shrubs, or small trees with alternate, pinnately or 

 ternately decompound leaves. Fruit a small berry. 



I. Aralia spinosa L. Angelici-tree. A prickly shrub 

 or small tree with long-petioled bipinnate leaves. In low ground 

 and along streams. Sometimes cultivated. Conn, to Fla., Ohio, 

 Mo., and Tex. 



Cornaceae. Dogwood Family. 



75. Cornus L. Dogwood. 



Shrubs or small trees with drupes in cymes or heads, the 

 cymes self -pruned when the fruit is ripe. 

 1. Leaves opposite. 2. 



1. Leaves alternate; twigs green, smooth; flowers in cymose panicles, 



drupe blvTc. C. alternifolia. 



2. Leaves oval or ovate, pointed; axillary buds minute, hidden under- 



neath the base of the petiole ; flowers in heads with 4-6 large 

 white bracts ; drupe red. C. florida. 

 2. Leaves ovate or ovate-lanceolate; axillary buds larger, not covered; 

 flowers cymose ; drupe globose, white. C. asperifolia. 



1. Cornus florida L. Flowering Dogwood. A small 

 very ornamental tree, with rough reticulate bark. Wood solid 

 and valuable ; used for shuttles. The drupes are reputed to be 

 poisonous. ]\Ie. and Ont. to Fla., Ohio, Mo., and Tex. 



2. Cornus asperifolia ]\'Ix. Rough-leaf Dogwood. A 

 tall shrub, sometimes tree-like, with reddish brown twigs. In 

 rich or moist ground. Ont. to Fla., Iowa, Kan., Tex., and Ohio. 



3. Cornus alternifolia L. f. Blue Dogwood. A shrub 

 ■or small tree with smooth, greenish, bitter bark. In rich soil. 

 N. S. to Ga., Ont., ^linn., \A^ Va., Ala., and Ohio. 



