1902] NORTH AMERICAN TREES 119 
with pale gray bark broken into small closely appressed scales and divided 
6 or 7 feet above the ground into numerous ascending branches forming a 
3 broad symmetrical head, and slender, zigzag branchlets, dark green and 
coated when they first appear with matted pale hairs, during their first sum- 
mer slightly villose, light chestnut-brown and marked by occasional small 
enti tnut-brown and very lustrous in their second year, and ulti- 
mately ashy-gray, and unarmed or armed with stout nearly straight chestnut- 
4 brown shining spines usually 1 to 1 % in. long. 
4 Flowers about the middle of May. Fruit ripens and falls from the middle 
to the end of September. 
3 Near Rochester, N.Y. Common. First distinguished in 1899 by C. S. 
| Sargent 
: It isa pleasure to associate this handsome and distinct thorn tree, which 
's one of the largest and most beautiful in the northern states, with the name 
of Mr. George Ellwanger, the distinguished horticulturist, in whose nurseries 
4 at Rochester a tree of this species, still standing, was large enough sixty 
4 Years ago to be an object of interest and consideration. 
gemmosa, n. sp.—Leaves broadly oval or rarely 
broadly obovate, acute or acuminate, gradually narrowed and 
‘cuneate or Occasionally rounded at the base, sharply and usually 
Goubly serrate from below the middle, with straight glandular 
‘seth, and often slightly lobed toward the apex, with short acute 
lobes ; dark red and villose particularly below as they unfold, 
ost fully grown when the flowers open and then membrana- 
primary veins running obliquely toward 
1% to 2 in. long, 1 to 2 in. wide; 
ots more coarsely serrate, frequently 
ral lobes, often 4 in. long and 3 in. wide, © 
Sot ribs and stout spreading primary veins; 
> Stout, deeply grooved, more or less winged above, vil- — 
Pubescent, glandular while young, with minute bright red 
ee ie usually bright pink in the autumn, 4 to y% in. a 
— «ear, acuminate, bright red, glandular, caducous, 
