72 NEW YORK STATE MUSEUM 



Crataegus durobrivensis Sargent 



Trees and Shrubs i. 3, t. 2 (1902); Rochester Acad. Sci. Proc. IV. 114. 

 Sargent and Peck, N. Y. State Mus. Bui. 105. 64 (1906). 



Niagara Falls, J. Dtmbar, September 28, 1905 ; near Hemlock 

 lake, Livingston co., Henry T. Brown, May and October 1906; also 

 near Rochester and .Vll)any, New York. 



VHI COCCIXEAE 



Leaves cuneate at the base, subcoriaceous or thin dark green and 

 lustrous above; fruit subglobose, 9-15 mm in diameter. 



Stamens 5-10 



Anthers pale yellow 



Leaves subcoriaceous; fruit 1.2-1.5 cm in diameter 



I C. cocci nea 



Leaves tliin; fruit usual]\' less tlian i cm in diameter 



2 C. dodgei 



Anthers rose color 



Leaves thin; fruit 1-1.3 cm in diameter 3 C. puberis 



Stamens, 20; anthers pink; leaves thin; ovate to oval or rhombic 



4 C. n e o-b a xt e r i 



Crataegus coccinea Linneus 



Spec. I. 476 (1753)- Sargent, Bot. Gazette XXXL 14; Silva N. Am. 

 XIIL 133, t. 683; Man. 459, f. 375. 



Buffalo, J. Dunbar (;5S''4o), May 31, June 12 and September 26, 

 1905 ; also on the New England coast and in the valley of the St 

 Lawrence river. 



Crataegus coccinea var. rotundifolia Sargent 



Bot. Gazette XXXL 14 (1900); Silva N. Am. XIII. 134; Man. 460; Acad. 

 Sci. Phila. Proc. IV. 631. 



Buffalo, J. Dunbar (#E), September 25, 1901 ; (#33), Septem- 

 ber 30, 1904 and May 28, 1905 ; also common from Canada to east- 

 ern Pennsylvania. 



Crataegus dodgei Ashe 



Jour. Elisha Mitcliell Sci. Soc. XIX. 26 (March 1903). Sargent, Acad. 



Sci. Phila. Proc. 632 (1905); Rhodnra VII. 213 (Crataegus 



g r a V c s i i Sargent, Rhodora V. 150 ( June 1903) ). ( C r a t a e g u s 



fallens Gruber, Bucks County Nat. Sci. Club. Proc. r. 19 



(October 1903)). 



Buffalo, J. Dunbar (# B), September 25, 1901, May 26 and Octo- 

 ber 6, 1902, ( # 12), September 29, 1903 and June i, 1904; also 

 from southern Michigan to eastern Massachusetts and eastern 

 Pennsylvania. 



