!6o ROSE FAMILY 



stamens numerous; carpels 2-5, papery or leathery; styles united at the 

 base; fruit usually a large fleshy pome, sometimes small and berry-like. 



A genus of about 15 species, natives of the north temperate zone. Be- 

 sides the following, one occurs in eastern and one in western North 

 America. 



Key to the Species. 



1. Leaves and outer surface of sepals glabrate, cul- 



tivated trees or shrubs 



a. Leaves thick, flowers very numerous, fruit 



1-1.2 cm. or less, red M. floribunda 



b. Leaves thin, flowers less numerous, fruit 1.5- 



2.5 cm., yellow M. baccata 



2. Leaves and outer surface of sepals persistently 



tomentose, native or cultivated 



a. Leaves rounded or cordate at the base, pome 



5-10 cm. in diameter, cultivated M. silvcstris 



b. Leaves mostly narrow at the base, pome 2.5- 



3.5 cm. in diameter, native M. ioensis 



Malus floribunda S i e b o 1 d 1835-44 Flowering Crab 

 Pyrus floribunda Nicholson. 



A shrub or sometimes a small tree, often spiny, young branches smooth 

 or soon becoming so ; leaves ovate, acuminate at the apex, finely and sharp- 

 ly serrate, smooth and shining above, glabrous below, at least in age, 

 thickish, 4-7 cm. long; petioles thick and reddish, about 2.5 cm. long; 

 flowers in umbels, appearing with the leaves and very numerous, white and 

 showy, carmine in bud ; fruit 1-1.2 cm. in diameter, red : floribunda, 

 many flowers. 



Planted in gardens and parks as an ornamental tree oV shrub. Native 

 of Japan. 



Malus baccata (Linne) Moench 1794 Siberian Crab 

 Pyrus baccata Linne 1753 



A small tree with spreading branches; leaves ovate-oblong, finely and 

 evenly serrate but not lobed, acuminate at the apex, thin and glabrous on 

 both sides, at length becoming subcoriaceous, 4-8 cm. long ; petioles slender 

 2-3 cm. long; flowers appearing with the leaves, fascicled, petals narrowly 

 oblong, with narrowed, elongated base, pedicels green, 5-7 cm. long; fruit 

 on long hard stems, 1.5-2.5 cm. in diameter, yellow with a reddish cheek. 



