REPORT OF THE STATE BOTANIST I9QI12 IOI 
Crataegus gloriosa Sargent 
N. Y State Mus. Bul. 122. 70 (1908). 
Rochester. 
Crataegus letchworthiana Sargent 
N. Y. State Mus. Bul. 122. 69 (10908). 
Near Portage. 
Crataegus vivida Sargent 
Ontario Nat. Sci. Bul. 4. 47 (1908). 
Ithaca, Chapin, Cattaraugus creek; also in southern Ontario. 
Crataegus tardipes Sargent 
Ontario Nat. Sci. Bul. 4. 51 (1908). 
Utica, Salamanca; also in southern Ontario. 
Crataegus polita Sargent 
Rhodora V. 112 (1903); N. Y. State Mus. Bul. 105. 63 (1906). 
Sand Lake, near Albany, Little Falls, near Herkimer and 
Utica. 
Crataegus sejuncta Sargent 
N. Y. State Mus. Bul. 105. 62 (1906). 
Albany, Buftalo; also in western New England. 
Crataegus dayana Sargent 
N. Y. State Mus. Bul. 122. 66 (1908). 
Hemlock lake, Buffalo and Cattaraugus creek. 
Crataegus gilbertiana n. sp. 
Leaves ovate, acute, cuneate or rounded at the broad base, 
sharply often doubly serrate with straight glandular teeth, and 
slightly divided into four or five pairs of short acuminate lateral 
lobes ; about one-third grown when the flowers open the middle 
of June and then thin, yellow-green, roughened above by short 
white hairs and slightly hairy below along the midribs and 
veins, and at maturity thin, dark blue-green and glabrous on 
the upper surface, paler on the lower surface, still slightly 
hairy on the thin midribs and primary veins, 7 to 8 cm long 
and 5.5 to 6.5 cm wide; petioles slender, slightly wing-margined 
at the apex, glabrous, 2.5 to 3 cm in length; leaves on vigorous 
shoots acuminate, abruptly cuneate at the base, more coarsely 
