KOSACE^E 



541 



broad loose many-fruited drooping clusters, globose, bright scarlet, marked by large pale 

 dots, \'-\' in diameter; calyx prominent, with a broad shallow depression, and much 

 enlarged coarsely serrate closely appressed persistent lobes; flesh thick, yellow, becoming 

 juicy, sweet and pulpy; nutlets 2 or 3, \' long, \' broad, prominently ridged on the back, 

 the ventral cavities wide and deep. 



A tree, occasionally 20 high, with a short trunk 5'-6' in diameter, covered with dark red- 

 brown scaly bark, stout ascending branches forming a broad irregular head, and stout more 

 or less zigzag glabrous dark orange-brown lustrous branchlets becoming dull gray-brown 



Fig. 497 



in their second season and ultimately ashy gray, and armed with numerous stout slightly 

 curved bright chestnut-brown shining spines 1|'-2|' long; or usually shrubby and much 

 smaller, and often flowering when only a few feet high. 



Distribution. Coast of northeastern Massachusetts; southwestern Vermont; eastern 

 and western New York; near London, Ontario; widely distributed in Pennsylvania; north- 

 eastern Illinois. 



146. Crataegus gemmosa Sarg. 



Leaves broad-oval or rarely broad-obovate, gradually narrowed and cuneate or occasion- 

 ally rounded at the entire base, sharply and usually doubly serrate from below the middle 

 with straight glandular teeth, and often slightly lobed toward the acute or acuminate apex 

 with short acute lobes, dark red and villose as they unfold, nearly fully grown when the flow- 

 ers open from the middle to the end of May and then membranaceous, light yellow-green, 

 nearly glabrous above and pale and villose below, and at maturity thick and firm in texture, 

 very dark dull green on the upper surface, pale on the lower surface and pubescent on the 

 under side of the stout yellow midrib deeply impressed and occasionally puberulous above, 

 and on the 4 or 5 pairs of slender primary veins extending obliquely to the end of the leaf, 

 \\'-%,\' long, and l'-2' wide; petioles stout, villose or pubescent, more or less winged above, 

 glandular while young with minute bright red caducous glands, usually pink in the autumn, 

 \'-\' in length; leaves at the end of vigorous shoots more coarsely serrate, frequently di- 

 vided into short acute lateral lobes, and often 4' long and 3' wide, with a rose-colored midrib 

 and stout spreading primary veins. Flowers f '-f ' in diameter, on slender hairy pedicels, 

 in broad open compound villose many-flowered corymbs, with lanceolate or oblanceolate 

 acuminate glandular-serrate conspicuous bracts and bractlets; calyx-tube narrowly ob- 

 conic, more or less villose with matted pale hairs, or nearly glabrous, the lobes lanceolate, 

 acuminate, glabrous or villose on the outer surface, villose on the inner surface, coarsely 

 glandular-serrate with bright red glands; stamens 20; anthers small, rose color; styles 2 



