EUCALYPTUS TREES. 207 
a year, but the wood suffers through this operation. 
P. L. var. Rossica, Russian Larch, grows principally 
on the Altai mountains, from two thousand five hun- 
dred to five thousand five hundred feet above sea ley- 
el; it attains a height of eighty feet. The species 
would be important for our upland country. 
Pinus leiophylla, Schiede and Deppe.—Seven thou- 
sand to eleven thousand feet up on the mountains of 
Mexico. A tree ninety feet high. The wood is ex- 
cessively hard. 
Pinus leptolepis, Sieb and Zuce.—Japan Larch. In 
Japan, between thirty-five degrees and forty-eight 
degrees north latitude, up to an elevation of nine 
thousand feet. The timber is highly valued by the 
Japanese. 
Pinus longifolia, Roxb. —Emodi Pine, or Cheer 
Pine, On the Himalaya mountains, from two thou. 
sand to seven thousand feet. A handsome tree, with 
a branchless stem of fifty feet ; the wvod is resinous, 
and the red variety useful for building; it yields a 
quantity of tar and turpentine. The tree stands ex- 
posure and heat well. 
Pinus Massoniana, Lamb (P. Sinensis, Lamb).— 
Chinaand Japan. This pine attains a height of sixty 
feet, and supplies a resinous, tough, and durable 
wood, used for buildings and furniture. The roots, 
when burned with the oil of Brassica Orientalis, fur- 
nish the Chinese Lampblack. 
Pinus Menziesii, Dougl.—North-west America. A 
very handsome tree, which grows to a height of sev- 
enty feet, and furnishes a valuable timber ; it thrives 
best in moist ground. 
Pinus Hudsonica, Poir (P. Banksiana, Lamb). — 
