PLO) NEW YORK STATE MUSEUM 
below Little Falls; J. V. Haberer (no. 2416), June 1, 1912; Ha- 
berer, Dunbar and Sargent, September 27, 1912. 
This species is named in memory of Miss Mary Isabel Haberer, 
the companion and assistant of her father in his botanical explora- 
tions of the flora of central New York. 
Crataegus macauleyae Sargent 
Proc. Rochester Acad. Sci. IV. 130 (1903). 
Chapinville and Rochester. 
Crataegus noveboracensis Sargent 
N. Y. State Mus. Bul. 116. 22 (1907). 
North Elba and Keene. 
Crataegus verrucalis Peck 
N. Y. State Mus. Bul. 122. 123 (1908). 
Adirondack region. 
Crataegus puberis Sargent 
N. Y. State Mus. Bul. 105. 73 (1906). 
Near Belfast. 
Crataegus proctoriana n. sp. 
Leaves ovate, acute or acuminate, abruptly or broadly cuneate at 
the base, coarsely often doubly serrate with straight glandular teeth, 
and deeply divided into four or five pairs of narrow acuminate 
spreading or often slightly recurved lobes; about half grown when 
the flowers open the first of June and then thin, yellow-green, rough- 
ened above by short white hairs and glabrous below, and at maturity 
thin but firm in texture, dark, yellow-green and smooth or scabrate 
on the upper surface, pale yellow-green on the lower surface, 5 to 7 
cm long and 4 to 6 cm wide, with slender midribs, and thin primary 
veins extending obliquely to the points of the lobes ; petioles slender, 
shightly wing-margined at the apex, glandular with occasional small 
persistent glands, 2 to 2.5 cm in length; leaves on vigorous shoots 
ovate, acuminate, abruptly cuneate, rounded or truncate at the wide 
base, coarsely serrate, deeply lobed, often 9 to 10 cm long and 8 to 9 
cm wide, their petioles stout, narrowly wing-margined often to the 
middle, conspicuously glandular, 2.5 to 3 cm in length. Flowers 
1.3 to I.5 cm in diameter, on slender slightly hairy pedicels, in 
