Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 637
s(tig. 446, A, a, a,) bounded by raised bands (c, c) ; every one of thesespaces has in its centre a curious brownish-coloured body (b, b), withan opening in its middle, which allows a few small green cells to beseen through it. When a thin vertical section is made of the frond 1 In some species the… … Fig. 445.—Frond of Marchantia poly-morpha, with gemmiparous concep-tacles, and lobed receptacles bearingarchegones. STRUCTURE OF MARCHANT1A 591 •(B), it is seen that each of the lozenge-shaped divisions of its surfacecorresponds with an air-chamber in its interior, which is boundedbelow by a floor…
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