Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 440
es, as their aspect might naturaUy suggest; butare merely points at which the deposit is wanting, so that theoriginal cell-wall there remains unthickened. When the cel-lular tissue is re-quhed to possessunusual firmness,adeposit of sclerogen(a substance which,when separatedfrom the resinousand… … Tissne of the Testa of the seed-coat of Star-Anise:—A, as seen in section; b, as seen on thesurface. E E 418 MICROSCOPIC STRUCTURE OF PHANEROGAMIC PLANTS. as concentric rings when the cells coutaining them are cutthrough; and these layers are sometimes so thick and nume-rous, as almost to…
Microscopy
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