G. 37J 



CLASSIFICATION AND DESCRIPTION 



101 



D. Fruit small (3^-1 in.), sour, much sunken at the stem end 

 and but little at the other (Crab-apples). (E.) 



E. Leaves very narrow ; fruit V z in 2. 



E. Leaves broad ; fruit 1 in 3. 



D. Fruit usually obovate, not sunken at the stem end (Pears). 4. 



1. Pyrus Malus, L. (COMMON APPLE- 

 TREE.) Leaves simple, ovate, evenly cre- 

 nate or serrate, smooth on the upper 

 surface and woolly on the lower. Flowers 

 large (1 in.), white, tinged with pink, in 

 small corymbs. May. Fruit large, sunken 

 at both ends, especially at base ; ripe from 

 August to October, according to variety. A 

 flat-topped tree, 20 

 to40ft.high,culti- 

 vated in hundreds 

 of named varie- 

 ties ; from Europe. 



XY 2. Pyrus angustifolia, Ait. (NARROW- 

 LEAVED CRAB-APPLE.) Leaves simple, lance- 

 olate or oblong, often acute at base, mostly 

 serrate, smooth. Flowers large (% in.), rose- 

 colored, fragrant, in small, simple, umbel- 

 like clusters. Fruit very sour, small (^ in.). 

 Twigs lead-colored and speckled. A small 

 tree, 12 to 20 ft. high. Pennsylvania and 

 southward. 



P. angustif&lii 



3. Pyrus coronaria, L. (AMERICAN OR 

 GARLAND CRAB-APPLE.) Leaves simple, 

 ovate, often rather heart-shaped, cut-ser- 

 rate, often 3-lobed, soon smooth. Flowers 

 large (% in.), few, in a cluster, rose-colored, 

 very fragrant. Fruit very sour and astrin- 

 gent, flattened, broad, 1 in. or more in di- 

 ameter, yellowish green. Small tree, 10 to 

 25 ft. high ; New-York, west and south, also 

 frequently cultivated. 



P. coron&ria. 



4. Pyrus communis, L. (COMMON PEAR-TREE.) Leaves simple, 

 ovate, serrate, smooth on both sides, at least when mature. Flowers 

 large (over 1 in.), white, with AGRttBti^AMB^ftr- 

 UNIVLKSITY OF CALIFORNIA 



CITRUS RFfFAPPW PCMTCD 



