150 ROSE FAMILY 



pubescent, at least along the veins, 5-7 cm. long, 1.8-2.5 cm. wide; in- 

 florescence composed of several flat cymes, 5-7 cm. broad; flowers cream- 

 white, 8-12 mm. broad; calyx glabrous or puberulous; petals ovate. 

 clawed; fruit subglobose, bright scarlet, 8-10 mm. in diameter: 

 sambucifolia, leaves as in the elderberry, Sambucus. 



Common on river banks and woods of the northern part of the state ; 

 rare southeastward, where it occurs along the bluffs of the Mississippi. 



Distributed from Labrador to central Maine, westward and northward 

 to Alaska, Kamchatka and Japan. 



Wood close grained, soft, weak, light brown, weight 37 lbs. 



Sorbus aucuparia Linne 1753 Rowan Tree 

 Pyrus aucuparia (Linne) Ehrhart \787- { J2 



Small tree, 7-80 meters (20-30 ft.) high', bark grayish, smooth; winter 

 buds acute, 10-12 mm. long, vinous red, slightly white tomentose; leaves 

 with reddish petioles, grooved on the upper side, 10-20 cm. long, leaflets 

 9-15, oblong to lance-oblong, sharply serrate, usually rounded at the base, 

 pointed at the apex, midrib furrowed, permanently more or less tomentose, 

 especially on the lower surface, 3-7 cm. long, 10-18 mm. wide; in- 

 florescence somewhat flattened, 8-12 cm. broad, tomentose, flowers numer- 

 ous, cream-colored, 8-10 mm. broad, calyx obconic, tomentose; petals 

 nearly orbicular, clawed; fruit subglobose, 5-8 mm. in diameter, red, 

 sour ; aucuparia, bird catching. 



Extensively planted as a shade and ornamental tree and now and then 

 escaping from cultivation, especially in the southeastern part of the state. 



Flowers in June and July, fruits in August. 



The characters of the wood are about the same as that of the native 

 species. 



Amelanchier M e d i c u s 1789 Juneberry Service-berry 

 (Name of uncertain origin) 



Small trees and shrubs with alternate, simple, serrate or dentate leaves ; 

 flowers white, in racemes; calyx 5-cleft, the tube bell-shaped, petals 5, 

 ovate to oblong or rarely linear, stamens numerous, carpels 5, ovary be- 

 coming 10-celled in fruit, styles united at the base and becoming hairy; 

 fruit a small berry-like pome, sweet and edible. 



A genus of about 12 species, natives of the north temperate zone. Be- 

 sides the following, some three others occur in western North America 

 and one in Mexico. 



