P. ponderosa. Var. Jefreyi. Jeffrey's Pine. Califor nia. This variety also grows on the Sierra Nevada moun tains, and on the Coast Range of California. It often attaius a height of 170 to 250 feet and a diameter of six to ten feet. It differs much in the quality of the wood, but ia used for all the purposes of other kinds. It is remark able for the comparatively large size of its cones. It is called Yellow Pine, Pitch Pine, and Truckee Pine.
P. Australis. Long-leaved Pine. ,South Carolina and southward. A lofty tree, growing in the pine-barrens of the Southern States, attaining a height uf seventy-five to one hundred feet. Next to the White Pine, this is perhaps the moat valuable of the genua. The timber plays an important part iu ship-building, is extensively used as a flooring,. and in house-building. The chief value of this species is for the turpentine, tar, pitch,. and resin which it supplies, and of which immense quantities are exported in addition to the home supply.
P. Coulteri. Coulter's Pine. California. A large tree of California, from eighty to one hundred feet in height, with large, spreading branches, and a frank three or four feet in diameter. The cones are heavier than those of any other of the family, heing frequently one foot long and aix inches diameter, and weighing from four to aix pounds. The large, nut-like seeds contained in the cones are nutitious, and used as an article of food by the Indians.
F. Sabiniana. Hard-nut Pine; Sabine's Pine. Cali• fornia. Grows on the foot-hills of the Coast Range and on the western foot-hills of the Sierra Nevada mountains of California. It is not very abundant, and is limited by the altitude of 4,000 feet. It grows from forty to one hun dred feet high. The cones are large and heavy, and full of oily, nutritious nuts, which are used by the Indians. The timber is fit only for fuel. It is called Digger Pine, Foothill Pine, Gray-leaved Pine, etc.
P. Tor reyana. Torrey's Pine. California. A species of Southern California, resembling the preceding, but smaller. The nuts are thick-shelled, but nutritious, and used as food by the Indians.
P. insignia. Monterey Pine. California. Grows along the coast south of San Francisco. Some old trees near Monterey are seventy or eighty feet high. It is quite an ornamental speciee, and is in frequent cultivation in California.
P. radiata. California.
P. tuberculata. Prickly-coned Pine. California. A emall tree seldom attaining a greater height thau thirty to forty feet, with a trunk of eight or ten inches diameter. It grows on the Coast Hills south of San Francisco, and in other places in the State.
P. rigida. Pitch Pine. Eastern United States. A medium-sized ti ee from thirty to seventy feet high, with dark, rugged-looking bark, and hard, resinous wood. The wood is knotty, and of little value for lumber, but gives an intense heat in burning on account of the quantity of resin which it contains.
P. serotina. Pond Pine. Southern States. This is closely related to the preceding, and is by some considered only a variety of it. It grows on the borders of ponds and swamps from Florida to North Carolina.
P. Tceda. Loblolly; Old-field Pine. Southern States. A species confined to the Atlantic States, growing mostly in damp, or in light, barren soil, frequently taking posses sion of old and neglected,fields. It is variable in neight, sometimes rising to seventy or one hundred feet high. The timber is said to he valuable, though less ao than that of P. australis.
P. aristata. Prickly-coned Pine. Rocky Mountains. This species was first found in Colorado, near Pike's Peak, but it is now considered to be synonymous with the next.
P. Ballouriana. Balfour's Pine. Rocky Mountains. The specimen is from southern Utah, and grows on bigh, barren, sandstone mountaius; it grows about fifty to sixty feet high. The tree ie distinguished by its long branches, which are heavy, causing the ends to hang down. The tree is compact in appearance and of very dark-green color. It is thought hy some that the tree of Oregon, which has been described under thia name, is a different species.
P. fienitis. Bull Pine. Rocky Mountaine. This is the prevailiug pine of the East Humboldt mountains, Nevada, and frequent in the 'Wasatch. It also grows in Colorado and on the San Francisco mountains of Arizona. In the Wasatch mountaine it ie found at high altitudes on lime stone ledges and has a branched and knotty habit, render ing it unfietor lumber. It ie called by the inhabitants Bull Pine. It is a. middle-sized tree, uenally thirty to filty feet high, but recurded by Fendler as sixty to eighty feet high near Santa Fe.