72 NEW YORK STATE MUSEUM 



culent; nutlets three, full and rounded at the base, gradually nar- 

 rowed at the apex, ridged on the back, with a broad low slightly 

 grooved ridge, irregularly penetrated on the inner faces by wide 

 deep cavities, about 7 mm long and 5 mm wide. 



A shrub 4-5 m high, with numerous erect and spreading stems, 

 covered with dark brown scaly bark and forming a broad round 

 topped head, and slender slightly zigzag branchlets marked by 

 small oblong dark lenticels, orange-brown and sparingly villose 

 when they first appear, becoming glabrous and dark red brown by 

 midsummer and bright red brown and lustrous the following sea- 

 son, and armed with slender nearly straight chestnut-brown shin- 

 ing spines 3-4 cm long. 



Rich bottom lands of the Hudson river; North Greenbush, 

 Charles H. Peck (#68 ng, type), May, June and October 1904; 

 Peck and Sargent, August 17, 1905. 



Crataegus fl a grans is interesting as the first species 

 of the subgroup of the Tomentosae, with thin leaves glabrous or 

 almost glabrous at maturity, that has been noticed with 10 stamens 

 and white or yellow anthers. 



Mature leaves coriaceous to subcoriaceous 



Stamens 20 



Anthers rose color 



Crataegus succulenta Link 



Handbk. ii. 78 (1831). — Sargent, Silva N. Am. xiii. 139, t. 101; Man. 497, 

 f. 411. 



North Albany, Charles H. Peck (# 12), May and September 

 1904; Albia, Charles H. Peck ( # 1), May and June 1904, June 1905. 



Crataegus gemmosa Sarg. 



Bot. Gazette, xxxiii. 119 (1902); Silva N. Am. xiii. 141, t. 686; Man. 

 498, f. 412. 



North Albany, near the tollgate, Troy road, Peck and Sargent 

 (# 3 tg) October 1902; Charles H. Peck, May and October 1904; 

 also western New York, Ohio, Ontario and Michigan. 



The anthers of the Albany plant as described by Professor Peck 

 are paler than those of the type trees which are at Grand Rapids, 

 Mich, and the fruits, which were the largest and most beautiful 

 I have seen on any plants of this group, were on October 2, 1902, 



