EUCALYPTUS TREES. 2338 
tree, indigenous to the sub-tropical part of East Aus- 
tralia, one hundred feet high, of rather rapid growth, 
and resisting drought in a remarkable degree ; hence 
one of the most eligible trees for desert-culture. Our 
cultivated trees yield now already an ample supply of 
seeds. The wood is valued particularly for staves of 
casks, 
Guevina Avellana, Molina (Quadria heterophylla, 
R. & P.).—The evergreen Hazel-tree of Chile, grow- 
ing as faras thirty degrees south. Itattainsa height 
of thirty feet, and yields the hazel-nuts of South Amer- 
ica. 
Gymnocladus Canadensis, Lamark.—The Chirot. 
A North American timber and avenue tree, attaining 
a height of eighty feet; allied to Gleditschia, but, as 
the name implies, thornless. The wood is strong, 
tough, compact, fine-grained, and assumes a rosy 
color. 
Juglans cinerea, L.—The Butternut-tree of North 
America. About fifty feet high ; stem-diameter four 
feet. Likes rocky placesin rich forests. Wood light- 
er than that of the Black Walnut, durable, and free 
from attacks of insects. 
Juglans nigra, L.—Black Walnut-tree. Attains a 
height of seventy feet ; trunk four feet in diameter ; 
found in rich forest land in North America. "Wood 
purplish brown, turning dark with age, strong, tough, 
not liable to warp or to split ; not attacked by insects, 
Seed more oily than the European walnut, 
Juglans regia, L,—The ordinary Walnut-tree of 
Europe, but of Central Asiatic origin; it attains a 
height of fully eighty feet, and lives many centuries, 
Wood light and tough, much sought for gun-stocks, 
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