. Plant studies; an elementary botany. Botany. Fif!. 310, P'nui^ a'v/''''-^V/7"a'. sliowinc: niiUurc oono parlly PfftinTinil. nnd slinwine r!lr- pels isq, f^q^, t^-q^ with SL-t^ds in their axils (f/), in wliicli the ciiihryns i< /// \ in;iy lie distinguished ; A, a yonng carpel with two niet^asporatigia ; Ji. an old carpel ^virh mature seeds (r/t), the nrieropyle being helow (J/").—After Bessey. the well-known cones so characteristic of pines and their allies (Fig. 308, «, I', r). Each sporophyll is somewhat leafdike, and at its base upon the upper side are two megasporangia (Fig.
. Plant studies; an elementary botany. Botany. Fif!. 310, P'nui^ a'v/''''-^V/7"a'. sliowinc: niiUurc oono parlly PfftinTinil. nnd slinwine r!lr- pels isq, f^q^, t^-q^ with SL-t^ds in their axils (f/), in wliicli the ciiihryns i< /// \ in;iy lie distinguished ; A, a yonng carpel with two niet^asporatigia ; Ji. an old carpel ^virh mature seeds (r/t), the nrieropyle being helow (J/").—After Bessey. the well-known cones so characteristic of pines and their allies (Fig. 308, «, I', r). Each sporophyll is somewhat leafdike, and at its base upon the upper side are two megasporangia (Fig. 310). It is these sporangia which are peculiar in each producing and retaining a solitary large megaspore. This niegaspore 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
