. A textbook of botany for colleges and universities ... Botany. LEAVES 533 In most of the lower plants the chlorophyll-bearing cells make up the body of the plant and are not delimited into special tissues. In the red algae there are elongated cells arranged somewhat as are palisade cells. Most moss and liver- wort leaves consist of a single layer of green cells, but in Sphagnum colorless cells alternate with the green cells (fig. 899); the leaves of Leucobryum are three cells thick, the chlorophyll-bearing cells being centrally placed (fig. 900). In the air chambers of some thalloid liverwor
. A textbook of botany for colleges and universities ... Botany. LEAVES 533 In most of the lower plants the chlorophyll-bearing cells make up the body of the plant and are not delimited into special tissues. In the red algae there are elongated cells arranged somewhat as are palisade cells. Most moss and liver- wort leaves consist of a single layer of green cells, but in Sphagnum colorless cells alternate with the green cells (fig. 899); the leaves of Leucobryum are three cells thick, the chlorophyll-bearing cells being centrally placed (fig. 900). In the air chambers of some thalloid liverworts (as Marchantia, fig. 799) there are loose cell. Fig. 766. — A cross section of a succulent leaf, that of Begonia, show- ing centrally placed chlorenchyma (c), consisting of funnel-shaped palisade cells (p) whose chloroplasts are grouped chiefly at the basal end, and loosely arranged sponge cells (/); note the heavy epidermis («), averaging three cells in thickness above and two be- neath, and quite without chloroplasts; such an epidermis represents a peripheral water tissue; considerably 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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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1910
