46 NEW YORK STATE MUSEUM 



coarsely serrate and more deeply lobed, and sometimes 6-7 cm wide, 

 with stout broadly winged petioles glandular throughout the season. 

 P^lowers 2 cm in diameter, on slender glabrous pedicels, in usually 

 5-7-flowered corymbs, with linear glandular bracts and bractlets 

 fading rose color ; stamens 10, filaments persistent on the ripe fruit ; 

 anthers pale pink; styles 3-5, surrounded at the base by a broad 

 ring of pale hairs. Fruit ripening from the first to the middle of 

 October, on slender pedicels, in few- fruited erect clusters, short- 

 oblong, somewhat rounded at the base, bright green when fully 

 grown, crimson at maturity, pruinose, marked by many small pale 

 dots ; calyx prominent, without a tube, with a broad deep cavity, 

 and widespreading persistent lobes dark red on the upper side below 

 tlie middle ; flesh thin, yellow-green, hard, dry and mealy ; nutlets 

 3-5, rounded at the ends, rounded and slightly grooved on the 

 back, light colored, 5-6 mm long, and about 4 mm wide. 



A shrub '3-4 m high and broad, with several stout erect stems 

 covered with dark scaly bark, small spreading and ascending 

 branches, and very slender glabrous branchlets, light chestnut- 

 brown and lustrous in their first season, dark dull reddish brown 

 the following year, and armed with numerous slender nearly 

 straight chestnut-brown and shining, ultimately dark gray spines 

 3-4 cm long. 



Buffalo, J. Dunbar (^ 4, type), October 6, 1902, May 21, 1903; 

 near Hemlock lake, Livingston co., H. T. Brown {^ 3), ]\Iay and 

 October 1906. 



Crataegus maineana Sargent 

 Rochester Acad. Sci. Proc. IV. 106 (1903). 

 Buffalo, J. Dunbar (^ D), September 25, 1901, May 28, 1906; 

 Niagara Falls, J. Dunbar, September 28, 1905, May 28, 1906; also 

 near Rochester, New York. 



Crataegus placiva n. sp. 



Leaves ovate, acuminate, rounded, truncate or abruptly concave- 

 cuneate at the broad entire or glandular base, finely doubly serrate 

 above, with straight glandular teeth, and divided into 2 or 3 pairs 

 of short broad acuminate lateral lobes ; deeply tinged with red 

 when they unfold, nearly fully grown when the flowers open at the 

 end of May, and then thin, yellow-green and roughened above by 

 short white hairs and pale and slightly hairy in the axils of the 

 veins below, and at maturity thick, glabrous, smooth, dark blue- 



