118 BOTANICAL GAZETTE [FeBRUANY 
Sandy shores of Lake Zurich, Lake county, Illinois, &. J. Aid, Septem 
ber, 1899; £. J. Hill and C. S. Sargent, September, 1900; E. /. Hill, May, 
Igol. 
: Crataegus corusca is perhaps best associated with the mollis group, 
although it differs from the other species of that group which are now know 
in its firm and very bright and shining leaves and in the absence of tomer 
tum from their lower surface even when young. The flowers, too, at 
unusually small for a species of that group. ‘oe 
Crataegus Ellwangeriana, n. sp.— Leaves oval, acute, full and 
rounded or broadly cuneate at the base, irregularly divided 
usually only above the middle into numerous short acute lobes, 
coarsely and often doubly serrate, with straight or incurved 
glandular teeth; in early spring roughened above with short 
pale hairs and villose below along the slender midribs and pt 
mary veins; at maturity membranaceous, dark green and scab 
rate on the upper surface, pale and nearly glabrous on the lower : 
Surface, 2% to 3% in. long, 2 to 3 in. wide; petioles slendet, 
nearly terete, at first villose, ultimately nearly glabrous, ie 
2 in. long; stipules oblong-obovate, acute, villose, co# 
glandular-serrate, often ¥y in. long, those of the upper '€ 
of fertile branches usually persistent until after the rif 
_ of the fruit. Flowers 1 in. in diameter, on short stout ee 
in compact compound many-flowered corymbs coated 
_ Matted pale hairs; bracts and bractlets lanceolate, co#™ 
 Slandular-serrate ; calyx-tube broadly obconic, villose, the 
_ elongated, lanceolate, glandular, with small pale stipitate 5 
-Villose; stamens 8-10; anthers small, rose-color; 2 gis 
‘Fruit in drooping villose corymbs, on slender glabrous pedu f 
% to1y in. in length, oblong, full and rounded at the ‘ 
bright crimson, very lustrous, covered particularly toward 
; ends with scattered pale hairs, 34 to 1 in. long, ae 
wide; Ccalyx-cavity deep, comparatively narrow, the lobe 
gated, glandular-serrate, villose on the upper surface, 8'4°" 
= serrate above the middle, erect and incurved ; flesh thick», 
cs dry and mealy; nutlets 3 to s, prominently grooved and 
_ on ic hack, 4 to % in. long. a 
: : e A tree sometimes 25 feet in height with a trunk a foot in di ee 
— 
+ 
