Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 412
asket-shaped concepta-cles which are borne upon the surface of the frond (Fig. 130,a), and which may often be found in all stages of develop-ment, are structures of singular beauty. They contain, whenmature, a number of Little green round or oblong disks, eachcomposed of two or more layers of cells… … A, Portion of frond of Marchantia polymorphaseen from above; a, a, lozenge-shaped divisions;h, b, stomata seen ia the centre of the lozenges;c, c, greenish bands separating the lozenges:—b,vertical section of the frond, showing a, a thedense layer of ceUular tissue forming- the floorof the cavity…
Microscopy
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