CHAP. CII. JUGLANDA CEH, CA RYA. 1443 
observes in 1819, whichhave been planted more than thirty years, but which do 
not yield fruit. He recommends the grafting of this species on the common 
walnut. In the neighbourhood of London, there are trees in the Horticultural 
Society’s Garden, and in the arboretum of Messrs. Loddiges, upwards of 20 ft. 
high; and accounts have been sert us of some other trees of a greater size ; 
but, though we have seen some of them at Purser’s Cross and other places, 
we are so doubtful of their identity with the kind above described by Michaux, 
that we can assert nothing certain respecting them. There is a tree in the 
Jardin des Plantes, in Paris, which is 30 years planted,and 30 ft. high ; diame- 
ter of the trunk 9 in., and of the head 22 ft. 
# 2.C.ama‘ra Nutt. The bitter-nut Carya, or Hickory. 
Identification. Nutt. Gen. N. Amer. PI., 2. p. 222. 
Synonymes. Jigians amara Michxr. Arb.,1. p. 170., North Amer. Sylva, 1. p. 170., Pursh Fl. Amer. 
Sept., 2. p. 638.; Bitter nut, White Hickory, Swamp Hickory, Amer. 
Engravings. Michx. North Amer, Sylva, 1. t. 33.; and our fig. 1264. 
Spec. Char., §c. Leaflets, in a leaf, 7—9; ovate-oblong, acuminate, serrate 
with deep teeth, glabrous; lateral ones sessile. Sets of catkins in pairs. 
Fruit roundish-ovate, bearing, in its upper half, 4 wing-like ridges; husk 
thin and fleshy, softening and decaying, and never becoming ligneous, as in 
the other species. Nut subglobose, broader than long, tipped with a mucro. - 
Seed bitter. (Michr. N. A.S., Pursh Fl. A.S.) A native of North Ame- 
rica, in dry woods in fertile soil, from New England to Maryland, on the 
mountains; flowering in April. Introduced in 1800. 
Description, §c. The bitter-nut hickory grows to a very large size in Ame- 
rica; Michaux having measured trees in that country 70 ft. or 80 ft. high, with 
trunks from 3 ft. to 4 ft. in diameter. The leaves, which unfold a fortnight 
1264 
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later than those of any other species, are from 12 in. to 15in. in length, and 
nearly as much in breadth. Each leaf is composed of 3 or 4 pairs of 
leaflets, terminated by an odd one, which is larger than the rest. “ The leaf- 
lets are about 6in. in length, and J in. in breadth; sessile, oval-acuminate, 
deeply toothed, smooth, and of a pretty dark green. When the tree has shed 
its leaves, it may still be distinguished by its yellow and naked buds.” (Michz. 
N. Amer. Syl.,i.p.171.) The peduncles of the barren flowers are in pairs, 
each supporting three flexible and pendulous catkins, which are attached to 
the base of the shoots of the same season; at the extremities of which are 
the female flowers, which are inconspicuous. The fruit is very small, and 
produced in great abundance. The husk, which is thin, fleshy, and surmounted 
on its upper half by 4 appendages in the form of wings, never becomes 
ligneous, like those of the other hickories, but softens and decays. The shell 
is smooth, white, and thin enough to be broken with the fingers; the kernel 
is remarkable forthe deep inequalities produced on every side by its foldings. 
It is so harsh and bitter, that squirrels and other animals wili not feed upon it 
while any other nut is to be found. (Michx.) The bitter-nut hickory is a 
native of New Jersey and the Illinois, where it grows only in spots where the 
5B 3 
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