lOG 



PRACTICAL FORESTRY. 



been given in botanical works, and nurserymen's catalogues. The 

 best known of these are : Yar. Botryapium, leaves ovate-ob- 

 long, sometimes heart-shaped, (fig. 28). Flowers larger than 

 the above and more showy. Yar. oNongifolia, leaves oblong, 

 while downy when young, racemes and petioles shorter than 

 those of the last. Yar. rotundifolia, leaves broader and more 

 oval, sometimes nearly round, and the racemes of flowers short. 

 Yar. oligocarpa (var. pumila) of catalogues, leaves smooth, 



Fig. 26.— DWARF JTJ>rE-BERBT. 



narrow oblong, racemes of only three or four flowers. A very 

 dwarf shrub, seldom more than three or four feet high. Fruit 

 quite large and usually more abundant than on the taller grow- 

 ing varieties. 



A. alnifolia. — ^Alder-leaved Shadbush. — Leaves broadly-ovate 

 or rounded, obtuse at both ends, or somewhat cordate at base. 

 Racemes of flowers short. A low shrub, perhaps only a variety 

 of A, Canadensis, found west of the Rocky Mountains, and 

 northward to British Columbia. 



AMYRis. — Torch Wood. 



Trees and shrubs of Tropical America, with opposite com- 

 pound leaves, mostly of a single pair, or trifoliate pinnate. 



