REPORT OF THE STATE BOTANIST 1905 49 



CRUS-GALLI 

 Stamens 10 

 Anthers rose color 



Crataegus crus-galli Linnaeus 

 Spec. 476 (1753). — Sargent, Silva N. Am. iv. 91, t. 178; Man. 368, f. 286. 

 North Albany, West Albany, Menands, North Greenbush, Green- 

 bush and Watervliet. Common. Charles H. Peck. 



Stamens 10-14 



Anthers white, sometimes faintly tinged 

 with pink 



Crataegus helderbergensis n. sp. Sarg. 



Leaves obovate, to nearly oval on leading shoots, rounded or 

 rarely acute or short-pointed at the apex, gradually narrowed 

 downward from near the middle, concave cuneate and entire 

 below, coarsely and often doubly serrate above, with straight 

 glandular teeth, more than half grown when the flowers open 

 during the first week in June, and then membranaceous, dark 

 yellow green and covered on the upper surface with short pale 

 hairs and sparingly villose pubescent below along the midribs and 

 veins, at maturity subcoriaceous- to coriaceous, glabrous, dark 

 green and very lustrous above, pale yellow green and still pubescent 

 below, 4-6 cm long and 3-4 cm wide, with narrow prominent orange- 

 colored midribs often tinged with red below toward the base, and 

 four or five pairs of slender primary veins without the parenchyma 

 and extending obliquely to above the middle of the leaf; petioles 

 stout, wing-margined to below the middle, villose along the upper 

 side while young, becoming nearly glabrous, occasionally glandular, 

 with bright red stipitate caducous glands, 1-1.2 cm in length, 

 leaves on vigorous shoots mostly obovate, rather broader in pro- 

 portion to their length, often 7-8 cm long and 5 cm wide. Flowers 

 1. 3-1.5 cm in diameter, on slender elongated densely villose pedi- 

 cels, in usually 15 to 20-flowered hairy corymbs, with linear 

 bracts and bractlets, fading red and mostly deciduous before the 

 flowers open; calyx tube narrowly obconic, covered specially 

 toward the base, with long matted white hairs, the lobes slender, 

 acuminate, glandular serrate, with minute dark red stipitate 

 glands, bright green and glabrous on the outer and villose pubescent 

 on the inner surface, reflexed after anthesis; stamens 10 to 14, 

 usually 10; anthers white, rarely faintly tinged with pink; styles 

 two or three. Fruit ripening from the first to the middle of October 

 and persistent till after the leaves have fallen; on long slender 



