. The origin of a land flora, a theory based upon the facts of alternation. Plant morphology. 348 LYCOPODIALES upper tier meanwhile progresses only slowly: two opposite leaves, one on either side of the stem-apex, appear late as compared with other species,. Fig. 185. Embryos of Lycopodium Phleginaria, in longitudinal section. p=foot; c = cotyledon T=apex of axis. The wall marked II. in A and B corresponds to the wall marked IV. in Bruchmann's drawings (Figs. 183,186) and to the wall 6, b in Fig. 182. C and/? represent older stages : in D, the cotyledon (c) has been followed by a plumular leaf
. The origin of a land flora, a theory based upon the facts of alternation. Plant morphology. 348 LYCOPODIALES upper tier meanwhile progresses only slowly: two opposite leaves, one on either side of the stem-apex, appear late as compared with other species,. Fig. 185. Embryos of Lycopodium Phleginaria, in longitudinal section. p=foot; c = cotyledon T=apex of axis. The wall marked II. in A and B corresponds to the wall marked IV. in Bruchmann's drawings (Figs. 183,186) and to the wall 6, b in Fig. 182. C and/? represent older stages : in D, the cotyledon (c) has been followed by a plumular leaf /*', and the apex of the axis lies between them. ^4 and .5 x 200. CX37. Z)X2oo. (After Treub.) their position relatively to the foot and to the suspensor not being constant (Fig. 186c). This is ascribed by Bruchmann1 to inconstancy of the foot: 1 , p. 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 Bower, F. O. (Frederick Orpen), 1855-1948. London, Macmillan and Co. , Ltd.
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