68 SYSTEMATIC POMOLOGY. 



I. The Mazzards of various sliapeg and colors in which the 

 species has escaped from cultivation. Much used for stocks. 



II. The Hearts, soft, sweet, heart shaped cherries, light or 

 dark in color, represented by Black Tartarian and Governor 

 Wood. 



III. The Bigarreaus, firm fleshed, heart-shaped, sweet 

 cherries like Napoleon and Windsor. 



IV. The Dukes, large, sour, light-colored cherries repre- 

 sented by May Duke and Heine Hortense. 



P. Cerastis, Linn. Sour, Pie, Mokello and Eakly Rich- 

 MoiTB CiiEEEiES. Geiottes. — A low-headed tree, with spread- 

 ing grayish branches ; flowers in small clusters from lateral buds, 

 iijostly in advance of the leaves, the persistent bud-scales small; 

 leaves hard and stiff, short-ovate or oval-obovate, the point 

 rather abrupt, smooth, and more or less glossy, light or grayish 

 green; fruit roundish, red, in various shades, tart. Europe. 

 There are two well marked groups in the species. 



I. The Amarelles, light-colored sour cherries having un- 

 eolored juice represented by Early Richmond and Mont- 

 morency. 



II. The Morellos, dark-colored sour cherries, having dark- 

 colored juice represented by English Morello and Louis 

 Philippe. 



P. Mahaleb, Linn. Maualeb Cherrt. — Slender small tree, 

 with small, fragrant flowers in terminal, umbel-like clusters; 

 leaves bright green, broadly ovate or round-ovate and more or 

 less heart-shaped, the point short, smooth and veiny, the mar- 

 gins finely and obtusely serrate; fruits very small, dark red,, 

 austere. Used for stocks upon which to propagate cherries. 

 S. Europe. 



