. Foundations of botany. Botany; Botany. GYMNOSPERMS 15 scales tipped with a short, abruptly curved spine. Wood hard, coarse and resinous, mainly used for fuel. Poor, sandy soil, especially JFiG. 1.—ScotcWPine (_P. sylvestris). 1, a twig showing; a, Btaminate catkins ; b, pistillate catkins; c, a cone ; d, needles. 2, an anther, a^ side view; 2i, outer surface. 3, a carpel-scale, u, inner surface; 6, outer surface. 4, a cone-scale, a seed-wing, and a seed. 5, section of a seed, showing the embryo. (1) is natural size; the other parts of the figure are magni- fied by the amount indic
. Foundations of botany. Botany; Botany. GYMNOSPERMS 15 scales tipped with a short, abruptly curved spine. Wood hard, coarse and resinous, mainly used for fuel. Poor, sandy soil, especially JFiG. 1.—ScotcWPine (_P. sylvestris). 1, a twig showing; a, Btaminate catkins ; b, pistillate catkins; c, a cone ; d, needles. 2, an anther, a^ side view; 2i, outer surface. 3, a carpel-scale, u, inner surface; 6, outer surface. 4, a cone-scale, a seed-wing, and a seed. 5, section of a seed, showing the embryo. (1) is natural size; the other parts of the figure are magni- fied by the amount indicated by comparison with the vertical line alongside each. 4. P. inops, Ait. Scrub Pinb. A smaU tree, usually 20-30 ft.' high, but sometimes much taller; bark of the trunk rough, nearly black; twigs smooth and with a bloom. Leaves in twos, 1-2 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; Eastwood, Alice, 1859-1953. Boston, Ginn & Co.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1901
