ROSACEA 



459 



weeks, on stout pedicels, in few-fruited compact erect clusters, subglobose, much 

 flattened at the ends, often obscurely angled, dark crimson, very lustrous, marked 

 by numerous large pale dots, |' long, -|' broad ; calyx much enlarged and conspicuous, 

 with spreading or erect lobes bright red on the upper side near the base; flesh thick, 

 firm, subacid, more or less deeply tinged with red; nutlets 5, comparatively small, 

 light-colored, narrowed at the ends, acute at the apex, rounded at the base, rounded 

 and slightly ridged on the back, about ^' long. 



A tree, sometimes 20 high, with a stem 8'-10' in diameter, stout spreading light 

 gray branches forming a broad handsome head, and stout nearly straight glabrous 

 bright chestnut-brown very lustrous branchlets armed with thick dark reddish 

 purple shining spines l^'-2' long. 



Distribution. Dry woods in the neighborhood of St. Louis, Missouri, to eastern 

 Kansas. 



X. COCCINEiE. 



Stamens 10 ; leaves coriaceous. 



Leaves elliptical or obovate ; fruit subglobose, dark crimson ; anthers pale yellow. 



90. C. coccinea (A). 

 Leaves elliptical or ovate ; fruit short-oblong- to oblong-obovate, brig-ht carmine red ; 

 anthers rose color. 91. C. Jonesae (A). 



Stamens 20 ; leaves subcoriaceous, rhomboidal to oblong-obovate ; fruit short-oblong- to sub- 

 globose, dark dull red or rusty orange-red ; anthers pale yellow. 



92. C. Margaretta (A, C). 



90. Crataegus coccinea, L. Scarlet Haw. 



Leaves elliptical or obovate, acute or acuminate, gradually narrowed from above 

 the middle to the cuneate and entire base, finely and often doubly serrate above, with 

 incurved or straight teeth tipped with minute dark glands, and divided above the 



middle into several short acute lateral lobes, about half grown when the flowers open 

 at the end of May, and then membranaceous, light yellow-green, covered on the 

 upper surface with soft pale hairs, and pubescent along the under side of the thin 

 midribs and 4 or 5 pairs of erect primary veins extending to the points of the lobes, 

 and at maturity coriaceous, dark green, smooth and very lustrous on the upper sur- 

 face, paler and rarely pilose on the veins below, 1^-2' long, I'-l^' wide; their petioles 



