Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 467
ponds with an air-chamber in its interior, whichis bounded below by a floor(a, a) of closely-set cells, fromwhose under surface the ra-dical filaments arise; at thesides by walls (c, c) of similarsolid parenchyma, the projec-tion of whose summits formsthe raised bands on the sur-face ; and above by… … Structure of frond of Marcliantia poly-morpha :—A, portion seen from above;a,a, lozenge-shaped divisions ; b.b, stomataiu the centre of the lozenges ; c, c, green-ish bands separating the lozenges:—B,vertical section of the frond, showing<,o, the dense layer of cellular tissue form-ing thfi…
Microscopy · Biology
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