REPORT OF THE STATE BOTANIST I907 29 



and sometimes 3 dm in diameter, thick widespreading branches 

 forming a symmetrical round-topped head often 6-7 m in diameter, 

 and stout nearly straight pale orange-brown lustrous branchlets 

 marked while young with oblong pale lenticels, light gray and shining 

 in their second season, and armed with straight red-brown shining 

 spines 5-7 cm in length, persistent and becoming branched on the old 

 trunk and branches. 



Banks of the Niagara river above the falls, J. Dunbar and C. S. 

 Sargent ( ;^ 16 type), September 16, 1904, J Dunbar, June 12, 

 1905; Buffalo, J. Dunbar (#26), September 30, 1904, May 28, 

 June 12 and September 26, 1905. 



Crataegus cerasina n. sp. 



Leaves oblong-obovate, acute or rounded at the apex, gradually 

 narrowed and concave-cuneate at the entire base and sharply doubly 

 serrate above, with straight glandular teeth; nearly half grown when 

 the flowers open about the loth of June and then glabrous with the 

 exception of a few caducous pale hairs on the upper side of the 

 midribs, thin, dark green and lustrous above and pale below, and 

 at maturity subcoriaceous, dark yellow-green and shining on the 

 upper surface, light yellow-green on the lower surface, 5~^-5 cm 

 long and 2.6-3.5 cm wide, with slender yellow midribs, and 5 or 6 

 pairs of thin, prominent primary veins ; petioles slender, wing- 

 margined to below the middle, 1.2-1.5 cm in length; leaves 

 on vigorous shoots coriaceous, often slightly lobed toward the 

 apex, more coarsely serrate and sometimes 7 cm long and 5 cm 

 wide, with stout midribs, more prominent veins, and thick broadly 

 winged reddish petioles about i cm in length. Flowers 1.2 cm in 

 diameter, on long slender glabrous pedicels, in few usually 7-10- 

 flowered compact corymbs ; calyx-tube narrowly obconic, glabrous, 

 the lobes slender, elongated, acuminate, glandular serrate, slightly 

 hairy on the inner surface toward the base, reflexed after anthesis; 

 stamens 10-20; anthers pale pink; styles usually 2. Fruit ripen- 

 ing from the middle to the end of September, on slender reddish 

 pedicels, in 1-5-fruited drooping clusters, short-oblong, full and 

 rounded at the ends, bright cherry-red, very lustrous, marked by 

 occasional large pale dots, 1-1.2 cm long and 8-10 mm wide; calyx 

 little enlarged, with a deep narrow cavity, and slender spreading, 

 persistent lobes dark red on tlie inner surface toward the base and 

 slightly serrate near the middle; flesh thin, yellow, dry and mealy; 

 nutlets 2, full and rounded at the ends, ridged (mi the back, with a 

 hight broad ridge, 7-8 mm long, and 4-5 mm wide. 



