REPORT OF THE STATE BOTANIST 1905 55 



Crataegus robbinsiana Sarg. 



Rhodora, vii. 197 (i9°5)- 



West Albany, Greenbush, Sand Lake, Charles H. Peck (#32,112), 

 May and October 1903 and 1904; also in western and southern 

 Vermont and western New Hampshire. 



TENUIFOLIAE 

 Stamens 5-10 



Anthers rose color 

 Crataegus pentandra Sarg. 



Rhodora, iii. 25 (1901); Silva N. Am. xiii. 129, t. 681. 



West Albany (# 100), North Greenbush (#152 with very narrow 

 long stalked leaves and small fruit on long pedicels), Menands, 

 Troy road (#58 tr), Charles H. Peck, May and September 1903; 

 also common in western New England. 



Crataegus genialis Sarg. 



Rhodora, v. 148 (1903). 



North Albany, West Albany, Greenbush, North Greenbush, 

 Menands, Sand Lake, Albia and Watervliet. Common. Charles H. 

 Peck (#13,19, 88), May and September 1902; also in western 

 New England. 



Crataegus demissa Sarg. 



Rhodora, v. 139 (1903). 



West Albany, Greenbush, Albia. Rare. Charles H. Peck (#89) , 

 May and September 1904; also in Gansevoort, Saratoga co. and 

 in western Massachusetts and Vermont. 



Crataegus delucida Sarg. 



Rhodora, v. 139 (1903). 



Hills; North Albany, West Albany and Menands. Very com- 

 mon and the prevailing species. Charles H. Peck (#3 B, 36), 

 May, September and October 1902; also in western Vermont. 



Crataegus rubrocarnea n. sp. Sarg. 

 Leaves ovate, acute, gradually or abruptly narrowed and cuneate 

 or occasionally broad and rounded at the base, finely, often doubly 

 serrate, with straight slender glandular teeth, and slightly divided 

 into four or five pairs of narrow acuminate lateral lobes, about half 

 grown when the flowers open from the 10th to the 15th of May and 

 then membranaceous, light yellow green and covered above by 

 short white hairs, pale and glabrous below, at maturity thin, dark 

 yellow green and glabrous on the upper and pale or glaucous on the 



