76 NEW YORK STATE MUSEUM 
Crataegus arduennae Sargent 
Bot. Gazette XXXV. 377 (1903); N. Y. State Mus. Bul. 122. 27 (1908) 
South Buffalo; not common; also eastern Pennsylvania and On- 
tario to Illinois and Missouri. 
Crataegus geneseensis Sargent 
N. Y. State Mus. Bul. 122. 27 (1908) 
Valley of the Genesee river. 
Crataegus robusta Sargent 
N. Y. State Mus. Bul. 122. 28 (1908) 
Niagara Falls. 
Crataegus cerasina Sargent 
N. Y. State Mus. Bul. 122. 29 (1908) 
Niagara Falls. 
Crataegus persimilis Sargent 
Proc. Rochester Acad. Sci. IV. 94. (1903) 
Near Rochester and Syracuse. 
Crataegus helderbergensis Sargent 
N. Y. State Mus. Bul. 105. 49 (1906) 
Thompson lake, near Albany. 
PUNCTATAE 
Crataegus punctata Jacquin 
Hort. vind. 1. 10, t. 28 (1770). Sargent, Silva N. Am. IV. 103, t. 184 
Very common. 
Var. aurea Aiton, Hort. Kew. 11. 170 (1780). 
Common. 
Var. canescens Britton, Bul. Torrey Bot. Club XXI. 
231 (1894).— Sargent, N. Y. State Mus. Bul. 105. 50 (1906). 
North Greenbush; rare. 
Crataegus celsa Sargent 
N. Y. State Mus. Bul. 122. 31 (1908) 
Niagara Falls. 
Crataegus notabilis Sargent 
N. Y. State Mus. Bul. 122. 32 (1908) 
Buffalo. : 
