﻿1903] ' THE GENUS CRATAEGUS JN DELAWARE 103 



Wood borders- Rare. Between Newport and Newcastle, IV. M. Candy, 

 September 1899, May and October 1900. 



j A well marked species in the Pruinosa group, distinguished by the pale 



' yellow anthers of the 10 stamens, by the absence of a calyx-tube from the 



i mature fruit, and by the thinness of the leaves. 



I 



INTRICATAE. 



Crataegus apposita, n. sp. — Leaves oblong to oval, acute, acumi- 

 nate or rarely round at the apex, cuneate at the base, glandular- 

 serrate, above the middle usually doubly, with spreading teeth, 

 below with small incurved teeth, or often entire near the base, 

 slightly and irregularly lobed toward the apex, with short acute 

 lobes ; as they unfold coated above with soft pale deciduous hairs, 

 at maturity thin but firm in texture, darkyellow-green on the upper 

 surface, paler on the lower surface, 3.5-4''°' long, 2-3'^°' wide, 

 with slender 2-4 thin remote primary veins extending obliquely 

 to the points of the lobes ; petioles slender, wing-margined above, 

 at first villose, soon glabrous, glandular with small scattered dark 

 red glands, often red toward the base, 1.5-2*^'" long; stipules 

 oblong^obovate to linear, conspicuously glandular-serrate, cadu- 

 cous, leaves on vigorous shoots often ovate, acute, broadly 

 cuneate and abruptly narrowed at the base into the wide wing of 

 the short stout petiole, coarsely serrate, deeply 3-5-lobed, 5-6'''" 

 long, 4^6*='" wide, their stipules foliaceous, lunate, coarsely 

 glandular-serrate, 7-10"'°' long. Flowers i-S*""" in diameter on 

 slender pedicels, in few usually 4-7-flowered glandular compound 

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

 ously glandular-serrate, turning red before falling, caducous ; 

 calyx-tube broadly obconic, glabrous, the lobes gradually nar- 

 rowed from broad bases, acute, glandular-serrate, slightly hairy 

 on the inner face, reflexed after anthesis ; stamens 10; anthers 

 pale yellow ; styles usually 3, Fruit in drooping clusters, oblong- 

 obovate, full and rounded at the apex, gradually narrowed below 

 into the stout petiole, green until late in the season, then reddish 

 or green more or less blotched with red, or occasionally when 

 fully ripe light red or rarely yellowish-bronze color; calyx-tube 

 elongated, prominent, with a deep narrow cavity, and spreading 

 and appressed lobes coarsely serrate toward the apex; flesh thin, 



