j6 NEW YORK STATE MUSEUM 



Crataegus arduennae Sargent 

 Bot. Gazette XXXV. 377 (1903) ; N. Y. State Mus. Bui. 122. 27 (1908) 

 South Buffalo; not common; also eastern Pennsylvania and On- 

 tario to Illinois and Missouri. 



Crataegus geneseensis Sargent 

 N. Y. State Mus. Bui. 122. 27 (1908) 

 Valley of the Genesee river. 



Crataegus robusta Sargent 

 N. Y. State Mus. Bui. 122. 28 (1908) 

 Niagara Falls. 



Crataegus cerasina Sargent 

 N. Y. State Mus. Bui. 122. 29 (1908) 

 Niagara Falls. 



Crataegus persimilis Sargent 

 Proc. Rochester Acad. Sci. IV. 94. (1903) 

 Xear Rochester and Syracuse. 



Crataegus helderbergensis Sargent 



N. Y. State Mus. Bui. 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. 



Yar. canescens Britton, Bui. Torrey Bot. Club XXI. 

 231 (1894). — Sargent, N. Y. State Mus. Bui. 105. 50 (1906). 

 North Greenbush ; rare. 



Crataegus celsa Sargent 

 N. Y. State Mus. Bui. 122. 31 (1908) 

 Niagara Falls. 



Crataegus notabilis Sargent 



N. Y. State Mus. Bui. 122. 32 (1908) 

 Buffalo. 



