Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 512
en to occupy amuch larger part of the substance ofthe stem : being shown in the transversesection as broad bands (a a, a a) interven-ing between the closely-set woody fibres,among which some large ducts arescattered; whilst in the tangential,they are observed to be not only deeperthan the preceding… … Vertical Section of Mahogany. 448 MICROSCOPIC STEUCTUEE OF PHANEROGAMIC PLANTS. Fig. 262. Fig, 263. b b
Microscopy · Biology
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