1902] NORTH AMERICAN TREES £19 
egus corusca, n. sp.— Leaves ovate, acute, truncate, 
rounded or slightly cordate at the broad base, irregularly 
divided into 4 or 5 pairs of short acute lateral lobes, doubly 
serrate with straight slender glandular teeth; in early spring 
coated above with short soft pale hairs and glabrous below; at 
maturity thin but firm in texture, glabrous, dark yellow-green 
and very bright and shining on the upper surface, pale yellow- 
green on the lower surface, 2 to 21% in. long and wide, with 
slender pale midribs and primary veins only slightly impressed 
above ; on vigorous leading shoots 3% to 4 in. long and 3 in. 
wide, often deeply divided into narrow acute lobes; petioles 
slender, nearly terete, slightly glandular, at first villose, ulti- 
mately glabrous and dark red below the middle, 1% to 1% in: 
long ; stipules narrowly obovate, acute, glandular-serrate; on 
fading shoots lunate, coarsely dentate, % to 3 in. wide, 
| ¥% in. in diameter, in compact compound many-flowered 
corymbs coated with matted white hairs; bracts and bractlets 
‘tinear-lanceolate, glandular-serrate; calyx-tube broadly obconic, 
glabrous, or villose below, the lobes acute from broad bases, 
: -_ glandular-serrate, villose on the inner surface; stamens 
a * anthers small, pale pink; styles 4 or 5. Fruit in few-fruited 
me ing glabrous clusters on stout peduncles, 34 to nearly I in. 
3, oblong +0 obovate, bright cherry-red, lustrous and marked 
Ape dark lenticels, 5g to 34 in. long, % to % in. wide; 
y deep, comparatively narrow, the lobes gradually — 
! a came slightly glandular-serrate, usually deciduous 
* the ripening: of the fruit; flesh thick, yellow, dry and 
* Hutlets 4 or 
a us during their second year, and armed _ 
y straight bright chestnut-brown spines often 3 in. long. _ — 
middle of May. Fruit ripens and begins to fall about the _ 
© Cop®nuing to fall gradually until the end of October. 
