124 NEW YORK STATE MUSEUM 



mm long and 3 to 3.5 mm wide, the narrow hypostyle extending 

 to below the middle of the nutlet. 



A shrub 3 to 4 m high, with spreading ashy gray branches 

 forming an open head, and stout slightly zigzag glabrous 

 branchlets light orange-green when they first appear, becoming 

 light chestnut-brown, lustrous and marked by pale lenticels at 

 the end of their first season and unarmed or armed with occa- 

 sional spines. 



Rich pastures near Ogdensburg; J. Dunbar (no. 71, type), 

 September 2$, 1907, June 5, 1908! 



Crataegus ferentaria Sargent 

 Proc. Rochester Acad. Sci. IV. 135 (1903) ; N. Y. State Mus. Bui. 105. 

 77 (1906). 



Fort Ann, Albany, Frankfort, near Utica, Canandaigua, Roch- 

 ester, Belfast, Coopers Plains, Buffalo : also in Xew England. 



Crataegus hystricina Ashe 

 Bot. Gazette XXXV. 433 (1903)- Sargent, X. Y. State Mus. Bui. 105. 

 77 (1906). 



Near Albany; also in southern Connecticut. 



Crataegus macracantha Koehne 



Deutsche Dendr. 236 (1893). Sargent, Silva X. Am. XIII. 147, t. 689; Proc. 

 Rochester Acad. Sci. IV. 135 (1903). 



Ithaca, Rochester; also in New England and eastern Pennsyl- 

 vania. 



