120 NEW YORK STATE MUSEUM 



Crataegus flagrans Sargent 

 X. Y. State Mus. Bui. 105. 71 (1906). 

 Xorth Greenbush. 



Crataegus venustula Sargent 

 N. Y. State Mus. Bui. 122. 79 (1908). 

 Xiagara Falls, Buffalo : also in southern Ontario. 



Crataegus laneyi Sargent 

 Trees and Shrubs. I. 5, t. 3 (1902) ; Proc. Rochester Acad. Sci. IV. 136 

 (1903). 



Near Herkimer. Rochester and Coopers Plains. 



Crataegus succulenta Link 



Handbook II. 76 (1811). Sargent, Silva N. Am. XIII. 139, t. 131. 

 Chapinville, Rochester. Belfast, Niagara Falls, Buffalo, Palmyra, 



Salamanca : also in southern New England, eastern and western 

 Pennsylvania and southern Ontario. 



Crataegus gemmosa Sargent 



Bot. Gazette XXXIII. 119 (1902) ; Silva X. Am. XXIII. 141, t. 686; X. Y. 



State Mus. Bui. 105. 72 (1906). 



Near Albany, Rochester, Hemlock lake ; also in southern Ontario, 

 Ohio and Michigan. 



Crataegus calvinii Sargent 

 N. Y. State Mus. Bui. 122. 81 (1908). 

 Chapinville and Canandaigua. 



Crataegus sonnenbergensis n. sp. 



Leaves obovate, abruptly narrowed and acute at the apex, gradu- 

 ally narrowed and cuneate at the entire base, finely often doubly 

 serrate above with straight teeth pointing toward the apex of the 

 leaf, and slightly and irregularly divided above the middle into short 

 acute lobes ; more than half grown when the flowers open during 

 the first week in June and then thin, glabrous and lustrous above 

 and pale and covered below with short soft hairs most abundant on 

 the midribs and veins, and at maturity 6 to 7 cm long and 4.5 to 

 5 cm wide, thick, dark blue-green and lustrous on the upper surface, 



