
| 
. 

ADJACENT TO HORTICULTURAL HALL. 29 
nigrescens, Hort.) A native of Southern Central Europe, where it grows 120 
feet high. Timber valuable. Hardy here, and advised by Hoopes for hedges 
destined to afford protection to stock or tender plants. It has a dense sym- 
metrical form, and the oblong cones shine as if varnished. It is, unfortunately, 
attacked in the leaves by some as yet unknown fungus which causes them to 
turn yellow. The variety variegata, Lawson, has green and straw-colored 
leaves on the same branchlets, 
* Pinus aristata, Enge/mann. AWN-CONED PINE. A characteristic tree 
of the alpine summits of the Rocky Mountains, where it grows from gooo feet 
above the sea-level upwards, nearly or quite to the limit of tree-growth, Its 
increase in size appears to be extremely slow. ‘The leaves are remarkably 
persistent, and have been known to remain on the tree at least 16 years. The 
tree probably attains an age of from 600 to goo years. 
Pinus Ayacahuite, Zhirenberg. AYACAHUITE PINE. (Pinus strobilt- 
Jormis, Engelmann, here are a number of other unimportant synonymes. ) 
This species is a native of Mexico, especially of the southern parts, at from 
7ooo to 8500 feet above the sea-level. It bears a striking likeness to the 
Common White Pine, and grows in its home 100 feet high. 
* Pinus Banksiana, Zaméert. BANKS, GRAY, or NORTHERN PINE, SCRUB 
PINE. (Pinus Hudsonica, Poiret; Pinus rupestris, Michaux.) Native of 
the northern parts of the United States, thence as far north as Hudson Bay. 
Rather small in size, not exceeding 40 feet in height. Timber is said to 
be light and tough. Considered quite ornamental in England, though in its 
native haunts it is unsymmetrical and straggling, 
* Pinus Brutia, Zenore. CALABRIAN CLUSTER PINE. (Pinus Pyrenaica, 
Lapeyrouse, in part; Pinus Lotseleuriana, Carriere. We have adopted the 
above name—7.ec., Brutia—on grounds of expediency alone: see 7. Pyrenaica 
of this Catalogue.) Tree 70 feet high, from the mountains of Calabria; 
branches spreading; leaves bright green, and timber said to be good, Hardy 
here, so that on grounds of utility as well as of ornament it is entitled to culture 
with us. 
Pinus Bungeana, Zuccarini?. CHINESE LACE-BARK TREE. (Pinus ex- 
corticata, Gordon.) Tree from Northern China. Not large-sized; leaves 
short and stiff. Coming from a cold and desolate region, it does well here. 
The outer bark is shed each season: hence the nearly vertical branches have a 
white color, which produces a most striking effect. 
Pinus Cembra, Zinnaus. Swiss STONE PINE. Long ago introduced 
into cultivation from the higher regions of the Alps, where it forms conspic-- 
uous forests. The wood is soft and fine-grained, and much used in carving. 
Considerable quantities of resin are also derived from it. Hardy, and grows 
well in even poor soil. The Park has the following varieties: Sibirica, Zou- 
don ; is the SIBERIAN STONE Pine; found in Eastern Siberia, where the large 
seeds are eaten. pygmea, Fischer ; is from the more barren parts of Eastern 
Siberia, and hardly more than 3 feet high, but with spreading branches 
“sometimes 12 feet long and 3 inches in diameter.” 
Pinus cembroides. There is much confusion regarding the use of this 
name. See /inus edulis, Engelmann, of this list. 
Pinus contorta, Douglas. Twistep-BRANCH Pine. (Pinus Boursiert, 
Carriere.) ‘Tree of the Rocky Mountains and of the Western coast from 
