. The essentials of botany. Botany. PHANEROGAMIA. 217 generally called—are loose cones generally crowded into considerable clusters. Each cone consists of a stem upon which are many flattish stamens, each bearing two pollen- sacs (Fig. 120). 462. The pollen-cells are roundish, and covered by a. Fig. 122.—a ripe cone of a Fine, partly cut away to show the position of the seeds, g\ A,e, scale from a young;cone, upjier side sho'*ing two ovules (enlarged); B, the same when mature, showing: two winged seeds, ch. Each seed-coat has a small pore, M, through which the first root will grow in germinati
. The essentials of botany. Botany. PHANEROGAMIA. 217 generally called—are loose cones generally crowded into considerable clusters. Each cone consists of a stem upon which are many flattish stamens, each bearing two pollen- sacs (Fig. 120). 462. The pollen-cells are roundish, and covered by a. Fig. 122.—a ripe cone of a Fine, partly cut away to show the position of the seeds, g\ A,e, scale from a young;cone, upjier side sho'*ing two ovules (enlarged); B, the same when mature, showing: two winged seeds, ch. Each seed-coat has a small pore, M, through which the first root will grow in germination. double wall, the outer being thick and hard, and in some cases swollen out into bladder-like enlargements, appar- ently for the purpose of enabling the cell to be carried in the air (Fig. 121, M). One or more cells of the rudiment- ary first stage are always present (Fig. 121, y).. 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 Bessey, Charles E. (Charles Edwin), 1845-1915. New York : H. Holt and company, ;
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisher, booksubjectbotany
