. A textbook of botany for colleges and universities ... Botany. Fig. 361. — Gametophyte of Botrychium: antheridia in dorsal lidge; archegonia along the slopes; region of endophytic fungus in ventral region. — After 362 363 364 36b Figs. 362-365. — Archegonium and embryo of Botrychium Lunaria: 362, fertilized egg, in venter of archegonium; 363, first division of egg; 364, quadrant stage; 365, later stage of embryo, the body regions not yet diSerentiated. — After Bruchmann. Conclusions. — The Ophioglossales have certain features in common with the Lycopodiales, notabb^h^structure of t
. A textbook of botany for colleges and universities ... Botany. Fig. 361. — Gametophyte of Botrychium: antheridia in dorsal lidge; archegonia along the slopes; region of endophytic fungus in ventral region. — After 362 363 364 36b Figs. 362-365. — Archegonium and embryo of Botrychium Lunaria: 362, fertilized egg, in venter of archegonium; 363, first division of egg; 364, quadrant stage; 365, later stage of embryo, the body regions not yet diSerentiated. — After Bruchmann. Conclusions. — The Ophioglossales have certain features in common with the Lycopodiales, notabb^h^structure of the gametophyte, the adaxial relation of sporangia to sporoghylls, and the irregular and some; wKaniideflnite development of the embryo in its early stages. The "fertile spike," however, may have arisen from lateral branches, which^-^ would eliminate this feature of the resemblance to Lycopodiales. The same kind of irregular and indefinite development of the embryo proba- bly also occurs among the Marattiaceae, so that this feature finds its resemblance among both Filicales and Lycopodiales. In the reduced number of foliage leaves and their corresponding increase in size, apd— in the sperms, the resemblance is decidedly with the Filicales. In vas-. 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; Barnes, Charles Reid, 1858-1910, joint author; Cowles, Henry Chandler, 1869- joint author. New York, Cincinnati [etc] American book company
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