SS NEW YORK STATE MUSEUM 
Crataegus pulchra Sargent 
N. Y. State Mus. Bul. 122, 42 (1908). 
Ithaca, Chapin, Niagara Falls and Buffalo. 
Crataegus aridula Sargent 
N. Y. State Mus. Bul. 122. 43 (1008). 
Niagara Falls. 
Crataegus robbinsiana Sargent 
Rhodora VIL. 197 (1905); N. Y. State Mus. Bul. 105. 55 (1906). 
Near Albany; also in western and southern Vermont and 
western New Hampshire. 
Crataegus brevipes Peck 
N. Y. State Mus. Bul. 139. 20 (1910). 
Corning. 
Crataegus plana Sargent 
N. Y. State Mus. Bul. 122. 45 (1908). 
Coopers Plains, Belfast, Castile, Almond, Hemlock lake and 
Buffalo. 
Crataegus ovatifolia Sargent 
N. Y. State Mus. Bul. 122. 92 (1908). 
Coopers Plains. 
Crataegus inusitula Sargent 
N. Y. State Mus. Bul. 122, 55 (1008). 
Chapin and Coopers Plains. : 
Crataegus exornata Sargent 
Ontario Nat. Sci. Bul. 4. 31 (1908). 
Salamanca; also southern Ontario. 
MEDIOXIMAE 
Crataegus dissona Sargent 
Rhodora V. 60 (1903); N. Y. State Mus. Bul. 105. 54 (1906). 
Moores Mills, Colemans Station, Dykemans, Albany, Coopers 
Plains; also western and southern New England, eastern Penn- 
sylvania and southern Illinois. 
