. Plant studies; an elementary botany. Botany. Fk;. 2iS4, Section Ihrough cnpule of MarcJutniia, showing wall in -which are cliloro- phyll-bearing air-chambers with air-pores, and gemmte {a\ in varioLit stages of development.—After ^ Fro. 28S. Mnrcfianfin pnlymnrpha : the lower figure represents a gametophyte bear- ing a mature aiitheridial branch (</), some young antheridial branches, and also some cnpules with toothed margins, in which the gemma? may be seen ; the upper tignre represents a partial section through the antheridial disk, and shows antheridia within the antheridi

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. Plant studies; an elementary botany. Botany. Fk;. 2iS4, Section Ihrough cnpule of MarcJutniia, showing wall in -which are cliloro- phyll-bearing air-chambers with air-pores, and gemmte {a\ in varioLit stages of development.—After ^ Fro. 28S. Mnrcfianfin pnlymnrpha : the lower figure represents a gametophyte bear- ing a mature aiitheridial branch (</), some young antheridial branches, and also some cnpules with toothed margins, in which the gemma? may be seen ; the upper tignre represents a partial section through the antheridial disk, and shows antheridia within the antheridial cavities (a, b, c, d, i;./).—After Ksv. 21. 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