. Elements of botany. Botany; Botany. 8 ELEMENTS OF BOTANY. ft. (P. rigida), Northern Pitch Pine. A stout tree, 30-80 ft. high, with rough scaly bark. Leaves in threes, 3-5 in. long, stifE and flattened. Cones ovate-conical, 2-3 in. long, their scales tipped with a short, abruptly curvgd spine. Wood hard, coarse and resinous, mainly used for fuel. ••& ^ i«. Fig. 209. — Scotch Pine (P. sylvestris). 1, a twig allowing ; a, staminate catkins ; b, pistillate catkins ; c, a cone ; d, needles. 2, an anther, a, side view ; b, outer surface, 3, a carpel-scale, «, inner surface; b, outer surface. 4
. Elements of botany. Botany; Botany. 8 ELEMENTS OF BOTANY. ft. (P. rigida), Northern Pitch Pine. A stout tree, 30-80 ft. high, with rough scaly bark. Leaves in threes, 3-5 in. long, stifE and flattened. Cones ovate-conical, 2-3 in. long, their scales tipped with a short, abruptly curvgd spine. Wood hard, coarse and resinous, mainly used for fuel. ••& ^ i«. Fig. 209. — Scotch Pine (P. sylvestris). 1, a twig allowing ; a, staminate catkins ; b, pistillate catkins ; c, a cone ; d, needles. 2, an anther, a, side view ; b, outer surface, 3, a carpel-scale, «, inner surface; b, outer surface. 4, a cone-scale, a seed-wing and a seed. 5, section of a seed, showing the emhryo. (1) is natural size; the other parts of the figure are magni- fied hy the amount indicated by comparison with the vertical line alongside each. c. (P. sylvestris), Scotch Pine (wrongly called Scotch Fir). A medium-sized tree, with the older bark reddish and scaly. Leaves in twos, 1^-2^ in. long. Cones rather smaU and tapering (Fig. 209, c). Cultivated from Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bergen, Joseph Y. (Joseph Young), 1851-1917. Boston, Ginn
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbotany, bookyear1896
