. Plants; a text-book of botany. Botany. Fig. 147. Pinus Bylvestris, showing mature cone partly sectioned, and stowing car- pels (eg, 5gi, gg-\ with seeds in their axils (f?), in which the embryos {em) may be distinguished; A, a young carpel with two megasporangia; S, an old carpel with mature seeds (ch), the micropyle being below (J/).—After Besset. the well-known cones so characteristic of pines and their allies (Figs. l-i5, «, b, c, 163). Each sporophyll is some- what leaf-like, and at its base upon the upper side are two megasporangia (Fig. 117). It is these sporangia which are peciiliar i

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. Plants; a text-book of botany. Botany. Fig. 147. Pinus Bylvestris, showing mature cone partly sectioned, and stowing car- pels (eg, 5gi, gg-\ with seeds in their axils (f?), in which the embryos {em) may be distinguished; A, a young carpel with two megasporangia; S, an old carpel with mature seeds (ch), the micropyle being below (J/).—After Besset. the well-known cones so characteristic of pines and their allies (Figs. l-i5, «, b, c, 163). Each sporophyll is some- what leaf-like, and at its base upon the upper side are two megasporangia (Fig. 117). It is these sporangia which are peciiliar in each producing and retaining a solitary large megaspore. This megaspore resembles a sac-like cavity in. 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 Coulter, John Merle, 1851-1928. New York, D. Appleton and company

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1900