ROSACES 



449 



upper surface, pale on the lower surface, 3'-4' long and 2'-3' wide, with slender mid- 

 ribs, and thin remote primary veins arching to the points of the lobes; their petioles 

 slender, nearly terete, glandular, with minute scattered dark glands, at first villose, 

 becoming glabrous, 1^'-2|' long; on vigorous shoots sometimes truncate or slightly 

 cordate at the base ; their stipules strongly falcate, stipitate, coarsely glandular-ser- 

 rate, and often |' long. Flowers ^' in diameter, on thin elongated pedicels, in loose 

 lax many-flowered slightly villose corymbs; calyx-tube narrowly obconic, glabrous, 

 the lobes broad, acute, very coarsely glandular-serrate; stamens usually 10; anthers 

 rose color; styles 5, surrounded at the base by a conspicuous ring of pale tomentum. 

 Fruit ripening and falling during September, on long slender pedicels, in few- fruited 

 drooping glabrous clusters, pyriform until nearly fully grown, becoming short-oblong 

 when fully ripe, rounded at the ends, bright scarlet, lustrous, marked by numerous 

 small dark dots, f long and '- f' thick; calyx large and conspicuous, the lobes much 

 enlarged, coarsely serrate, and usually erect and incurved; flesh pale, thin, dry and 

 mealy; nutlets 5, narrowed and acute at the ends, rounded and deeply grooved on 

 the back, about J' long. 



A tree, 18-20 high, with a tall trunk sometimes a foot in diameter, covered with 

 close red-brown scaly bark, comparatively slender elongated spreading or ascending 

 branches forming a handsome symmetrical head, and thin branchlets dark chestnut- 

 brown and slightly villose at first, becoming very lustrous and ashy gray in their 

 second year, "and armed with straight or slightly curved shining chestnut-brown 

 spines l^'-2' long. 



Distribution. Western New York and southern Ontario; common. 



Stamens usually 5-7. 



81. Crataegus Holmesiana, Ashe. 



Leaves oval or ovate, acute or acuminate at the apex, rounded or broadly cuneate 

 at the base, coarsely and doubly serrate above the middle, with straight teeth tipped 



at first with prominent dark red caducous glands, and usually divided into 3 or 4 pairs 

 of short acute or acuminate lateral lobes, when they unfold dark red, roughened by 

 rigid pale hairs on the upper surface, and glabrous or sometimes villose on the lower 

 surface, scabrous above, pale yellow-green and nearly half grown when the flowers 



