ROSACES 



455 



apex, entire or slightly and irregularly toothed near the middle; stamens 7-10; anthers 

 light rose color; styles 4 or 5, surrounded at base by a ring of pale tomentum. Fruit ripen- 

 ing from the first to the middle of October, on slender pedicels, in few-fruited erect clusters, 

 depressed-globose, rather broader than high, dull red and slightly pruinose, becoming lus- 

 trous, and about \' in diameter; calyx little enlarged, with spreading appressed lobes bright 

 red on the upper side below the middle and mostly persistent on the ripe fruit; flesh thin, 

 hard, greenish white; nutlets 4 or 5, broad and rounded at base, narrowed and rounded at 

 apex, ridged on the back with a high ridge, about \' long. 



A tree, occasionally 30 high with a tall trunk 8'-10' in diameter, covered with light gray 

 closely appressed scales, comparatively small erect branches forming an open head, and 



Fig. 411 



slender slightly zigzag branchlets marked by numerous dark lenticels, green tinged with 

 red and glabrous when they first appear, bright chestnut-brown and lustrous during their 

 first winter, and pale gray-brown the following year, and armed with numerous slender or 

 occasionally stout nearly straight bright red-brown shining spines \\'-\\' long; usually 

 smaller and sometimes a shrub. 



Distribution. Valley of the Connecticut River (Walpole, Cheshire County, New 

 Hampshire, and Westminster and Putney, Windham County, Vermont), western Ver- 

 mont (near Burlington, Chittenden County); eastern, central and western New York: 

 common. 



60. Crataegus luxuriosa Sarg. 



Leaves oblong-ovate, acuminate, gradually narrowed and cuneate or rounded at the 

 often unsymmetrical base, finely often doubly serrate with straight glandular teeth, and 

 slightly divided usually only above the middle into 3 or 4 pairs of small acute lobes, about 

 half grown when the flowers open late in May and then thin, dark yellow-green and rough- 

 ened above by short white hairs and paler below, and at maturity thin, dark yellow-green 

 and scabrate on the upper surface, pale bluish green on the lower surface, 2j'-2^' long, and 

 If '-2' wide, with a slender midrib and obscure primary veins; petioles slender, slightly 

 wing-margined at apex, occasionally glandular with minute persistent glands, l'-lj' in 

 length; leaves at the end of vigorous shoots broad-ovate, rounded at base, coarsely serrate, 

 laterally lobed with numerous short broad lobes, often 3' long and 2f ' wide. Flowers 

 f in diameter, on short slender pedicels, in compact mostly 6-12-flowered corymbs; 

 calyx-tube narrowly obconic, the lobes long, slender, acuminate, entire or occasionally 



