. A handbook of cryptogamic botany. Cryptogams. Fig. ^i,z.— Hauck. a, invested in its gelatinons envelope (natural size) *, vertical section (x 12). c, filament ( x 150). (After Hauck.) forming a ' pseudo-ramulus' or false branch ; the original filament then develops a new apical portion in a direct line above the heterocyst. Heterocysts have not yet been observed in all the genera ; they some- times occur interstitially in the filament without giving rise to a pseudo- ramulus ; their function is obscure. The terminal hyaline bristle is of. Please note that these images are e
. A handbook of cryptogamic botany. Cryptogams. Fig. ^i,z.— Hauck. a, invested in its gelatinons envelope (natural size) *, vertical section (x 12). c, filament ( x 150). (After Hauck.) forming a ' pseudo-ramulus' or false branch ; the original filament then develops a new apical portion in a direct line above the heterocyst. Heterocysts have not yet been observed in all the genera ; they some- times occur interstitially in the filament without giving rise to a pseudo- ramulus ; their function is obscure. The terminal hyaline bristle is of. 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 Bennett, Alfred W. (Alfred William), 1833-1902; Murray, George Robert Milne, 1858-. London, New York, Longmans, Green, and Co.
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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherlondonnewyorklongm
