Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 416
sometimes onthe midribs of the leaves. The leaf-cells ofthe Sphagnum (bog-moss) exhibit a verycurious departure from the ordinary type;for instead of being small and polygonal, they are largeand elongated (Fig. 133); they contain spiral fibres looselycoiled in their interior; and their membranous… … evidenced by the passage of Wheel-Animalcules, that maketheir habitation in these chambers. Between these coarselyspiral cells, are some thick-walled narrow elongated Fig. 133.cells, which give to theleaf its firmness ; these, inthe very young leaf (asMr. Huxley has pointed-out) do not differ…
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