﻿I02 BOTANICAL GAZETTE [February 



Wood borders opposite Farnhurst, W, M. Canby, May, September, and 

 October 1900; Pennsylvania, Chadsford, Chester county (with larger fruit), 

 W. M, Canby and B. H. Smith, October 8, 1902 ; Sellersville, Bucks county, 

 C D, Fretz, May 1898, October 1899, May and September 1900, May 190T. 



Stamens 10. 

 Anthers yellow. 



Crataegus delawarensis, n. sp. — Glabrous, Leaves rhombic 

 to ovate, acute, gradually narrowed below from near the middle 

 or on vigorous shoots broadly cuneate at the entire base, divided 

 above into three or four pairs of short acute lateral lobes and finely 

 and sometimes double serrate, with gland-tipped teeth, membra- ' t 



naceous, light yellow-green on the upper surface, paler below, 

 5-6*="" long, 4-5^"" wide, with slender light yellow midribs and 3 or 4 

 pairs of thin primary veins arching to the points of the lobes; 

 petioles slender, slightly wing-margined at the apex, grooved, 

 glandular at first, with few small dark red deciduous glands, 

 2-3 cm long ; stipules linear, acuminate, coarsely glandular-serrate, 

 reddish, caducous. Flowers about 1,5^"^ in diameter on slender 

 pedicels, in 5-8-flowered compact thin-branched compound 

 corymbs ; bracts and bractlets oblong-obovate to linear, acute, 

 glandular-serrate, reddish; calyx-tube narrowly obconic, the 

 lobes broad, acuminate, coarsely glandular-serrate, reflexed after 

 anthesis; stamens 10; anthers pale yellow; styles 3 or 4, sur- 

 rounded at the base by a narrow ring of pale tomentum. Fruit 

 in few-fruited erect clusters, subglobose, rather broader than 

 high, obscurely angled, gradually narrowed below to the stout 

 petiole, dark red, not pruinose, 1.1-1.2*''" broad ; calyx sessile, 

 with a broad shallow cavity and lobes gradually narrowed 

 from broad bases, acute, closely appressed ; flesh thin, green, 

 dry and mealy; nutlets 3 or 4, thick, full and rounded at the 

 ends, prominently ridged on the back, witha high rounded ridge, 

 j^^ long. 



A slender shrub 1-2"^ high, with erect stems and thin nearly straight 

 branchlets at first light green, dull red-brown and marked by occasional large 

 oblong dark lenticels during their first year, light gray-brown in their second 

 season, and armed with few very slender straight or slightly curved dark red- 

 brown spines 3-4"™ long. Flowers the end of May. Fruit ripens toward the 

 middle of October and mostly falls before the end of the month. 



