The White Pine (Pinus strobus Linnaeus) . g. 1), becoming at the base thick and deeplyfurrowed with age. Tlie leaves are slender, straight, triangular in section, five in a sheath, 2A to4A inches long; resin ducts, chiefly two near the dorsal face; stomata in three to live rows on theventral faces; fibro-vascular buiulle, one. Cones,single or in groups of two to three, stalked and]>endulous, 4 to 0 inches long, cylindrical, slightly tapering and curved, fruit-scales oblong weilgeshaped, the apophysis half pyramidal, with a triangular blunt point. Seeds, one-tilth to one fourthinch long, gra
The White Pine (Pinus strobus Linnaeus) . g. 1), becoming at the base thick and deeplyfurrowed with age. Tlie leaves are slender, straight, triangular in section, five in a sheath, 2A to4A inches long; resin ducts, chiefly two near the dorsal face; stomata in three to live rows on theventral faces; fibro-vascular buiulle, one. Cones,single or in groups of two to three, stalked and]>endulous, 4 to 0 inches long, cylindrical, slightly tapering and curved, fruit-scales oblong weilgeshaped, the apophysis half pyramidal, with a triangular blunt point. Seeds, one-tilth to one fourthinch long, grayish-brown, with a thin membranaceous wing. Cotyledons, seven to eleven. A numl)cr of varieties, more or less distinctly marked, are recogni/.ed in cultivation. Amongthese are (U(h«, a dwarf, bushy f(uin, (Uiltivated in gaidens in the Old \Vorld; iiirca, ririilin. andaurca, named from the color of their leaves; brcvi/olia, and several others (innbraculi/era, ininima, Bulletin No. 22, Di^. of Forestry, U. S. Dept of Agriculture Plate FiQ. 1.—Transporting Logs over Ice Road in Michigan.
Size: 2072px × 1206px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., book, bookcentury1800, bookdecade1890, bookpublisherwashingtongpo
