Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 509
ducts—varies in different species : the ductsbeing sometimes almost uniformly diffused through the whole Ui MICROSCOPIC STRUCTURE OF PHANEROGAMIC PLANTS. layer, but in other instances being confined to its inner part; whilein other cases, again, they are dispersed with a certain regularirregularity… … Transversa Section of Stem oflihamnus (Buckthorn), showingconcentric layers of Wood.
Microscopy · Biology
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