REPORT OF THE STATE BOTANIST I907 4I 



dots, 9-11 mm long and 9-10 mm in diameter; calyx enlarged and 

 prominent, with a broad deep cavity, and spreading and appressed 

 usually persistent slightly serrate lobes dark red on the upper side 

 below the middle ; flesh thin, yellow-green, dry and mealy ; nutlets 

 4 or 5, thin and compressed at the rounded ends, rounded and 

 slightly grooved or irregularly ridged on the back, 6-'] mm long, 

 and 4-5 mm wide. 



A shrnb 4-5 m high, with small ascending stems covered with 

 pale gray bark, spreading branches and slender slightly zigzag 

 glabrous branchlets, dark reddish brown and marked by pale lenti- 

 cels when they first appear, becoming dark chestnut-brown and 

 very lustrous in their first season and dull red-brown the following 

 year, and armed with slender straight slightly curved dull chestnut- 

 brown spines 3-5 cm long. 



Borders of thickets in low moist soil, Buffalo, J. Dunbar {^ 16, 

 type), June i, 1904, May 28, 1906, J. Dunbar and C. S. Sargent. 

 September 24, 1904. 



Crataegus cognata Sargent 



Rhodora V. 58 (1903). 

 Buffalo, J. Dunbar ( ;^ G), October 1901, May 26 and October 

 6, 1902, May 21 and September 29, 1903; ( )^ 23), September 30, 

 1904, June 12, 1905; ( ;^ 38), June 12 and September 26, 1905; 

 Niagara Falls, J. Dunbar and C. S. Sargent (#8), September 

 16, 1904, J. Dunbar, June 12, 1905; ( ^ 15), J- Dunbar and C. S. 

 Sargent, September 16, 1904, J. Dunbar, May 26, 1905 ; near Hem- 

 lock lake, Livingston co., Henry T. Brown (^ 15 and 26), May 

 and October 1906; also southern and western New England and 

 eastern New York. 



Crataegus formosa Sargent 

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



Buffalo, J. Dunbar, October 6, 1902, September 26, 1905, May 

 28, 1906, Niagara Falls, J. Dunbar (^ i), October 7, 1902, May 

 22, 1903 ; also at Rochester, New York. 



Crataegus leiophylla Sargent 

 Rochester Acad. Sci. Proc. IV. 99 (1903). 



Buffalo, J. Dunbar, September 26, 1905, May 25, 1906; also at 

 Rochester, New York. 



The anthers in this species were first described as pale yellow ; 

 further observations shov/ that they are slightly tinged with pink. 



