540 TREES OF NORTH AMERICA 



marked by occasional large pale dots, \' in diameter; calyx prominent, with elongated 

 glandular-serrate lobes dark red on the upper side near the base, usually erect and incurved, 

 mostly persistent on the ripe fruit; flesh when fully ripe thick, yellow and sweet; nutlets 

 usually 2, occasionally 3, about iV long and \ ' wide, rounded at the ends, rounded and con- 

 spicuously ridged on the back, the ventral cavities broad and shallow. 



A tree, 20-25 high, with a tall trunk sometimes 10' in diameter, covered with light gray 



Fig. 496 



bark becoming rough and scaly near the base, slender branches, the lower horizontal and 

 wide-spreading, the upper ascending and fotming a wide open irregular head, and stout 

 glabrous branchlets dark orange-brown when they first appear, deep red-brown and lus- 

 trous on the upper, gray-brown and lustrous on the lower side during their first winter, 

 becoming gray slightly tinged with red the following year, and armed with numerous stout 

 curved chestnut-brown or purple spines l'-2' long and occasionally persistent on old 

 stems. 



Distribution. Western and central New York; Hagaman swamp near Rochester, and 

 Rush, Monroe County, Portage, Livingston County, Castile and Silver Springs, Wyoming 

 County, and near Ithaca, Thompkins County; not common. 



145. Crataegus succulenta Link. 



Leaves elliptic, acute or acuminate at apex, gradually narrowed from near the middle to 

 the entire base, coarsely and usually doubly serrate above with spreading glandular teeth, 

 and divided above the middle into numerous short acute lobes, nearly fully grown when the 

 flowers open at the end of May or early in June and then membranaceous, covered above 

 with soft pale hairs, and puberulous or rarely nearly glabrous below, and at maturity cori- 

 aceous, dark green, glabrous and somewhat lustrous above, pale yellow-green and mostly 

 puberulous below on the stout yellow midrib, and 4-7 pairs of slender veins extending 

 obliquely to the point of the lobes and deeply impressed on the upper side, usually 2'-2|' 

 long and l'-l|' wide; petioles stout, more or less winged above, frequently bright red after 

 midsummer, generally about |' in length; leaves at the end of vigorous shoots occasionally 

 ovate, and often 2f long and 3' wide. Flowers about f ' in diameter, on long slender hairy 

 pedicels, in broad lax villose corymbs; calyx-tube narrowly obconic, villose or glabrous, the 

 lobes broad, acute, laciniate, glandular with bright red glands, and generally villose; sta- 

 mens usually 20, sometimes 15; anthers small, rose color; styles 2 or 3 ; surrounded at base 

 by a ring of pale hairs. Fruit beginning to ripen about the middle of September and some- 

 times remaining on the branches until the end of October, on slender elongated pedicels, in 



