62 NEW YORK STATE MUSEUM 



Crataegus genialis Sargent 

 Rhodora V. 148 (1903). 



Buffalo, J. Dunbar and C S. Sargent (#18), September 24, 



1904, J. Dunbar, May 21, 1905; also eastern New York and west- 

 ern Massachusetts. 



Crataegus tenuiloba Sargent 



Rochester Acad. Sic. Prcc. IV. 122 (1903)- 



Buffalo, J. Dunbar ( # 19 and 30), September 30, 1904, May 28, 

 1905; also near Rochester, N. Y. 



Crataegus streeterae Sargent 

 4lochester Acad. Sci. Proc. IV. 119 (1903)- 



Buft'alo, J. Dunbar, May 28, 1906; Niagara Falls, September 2'], 



1905, May 28, 1906; also at Rochester, N. Y. 



Crataegus conferta n. sp. 



Leaves broadly ovate, acuminate or rounded and short pointed 

 at the apex, rounded or slightly cordate at the entire base, finely 

 serrate above, with straight glandular teeth, and slightly divided 

 into 3 or 4 pairs of small acuminate spreading lobes ; tinged with 

 red and covered above with soft white hairs when they unfold, 

 nearly fully grown when the flowers open at the end of May and 

 then membranaceous, light yellow-green and scabrate above, and 

 at maturity thin, grabrous, yellow-green and smooth on the upper 

 surface, paler on the lower surface, 3-4 cm long and 3-3.5 cm wide, 

 with comparatively stout midribs, and 4 or 5 pairs of thin primary 

 veins ; petioles slender, slightly wing-margined at the apex, glandu- 

 lar throughout the season, 1.5-1.8 cm in length; leaves on vigorous 

 shoots somewhat thickened, cuneate at the base, more coarsely ser- 

 rate, more deeply lobed, and often 5-6 cm long and 4-5 cm wide, 

 with stout shorter broadly winged petioles. Flowers 1.8 cm in diam- 

 eter, on short glabrous pedicels, in very compact crowded usually 

 7-8-flowered showy corymbs, with linear glandular bracts and 

 bractlets ; calyx-tube broadly obconic, the lobes slender, elongated, 

 entire or sparingly dentate, glabrous, reflexed after anthesis ; 

 stamens 20 ; filaments persistent on the ripe fruit ; anthers rose 

 color; styles 3, surrounded at the l)ase by a narrow ring of pale 

 tomentum. Fruit ripening at the end of September, on short stout 



