. Comparative anatomy of the vegetative organs of the phanerogams and ferns;. Plant anatomy; Ferns. 78 CELLULAR TISSUE, Tidges. On tKe epidermis of the branches of Prumnopitys elegans ^ the process^^ are very large, .in the form of thick plates, which are blunt, often branched, of unequal size, and irregular curvature; so that in their sections separate pieces, cut off from these, lie isolated in the njon-cuticularised membrane. On the leaves of many Proteacese (Lomatia longifolia, Hakea ceratophylla, H, Baxter! **) the pro-. FlG. 25.—(390) Transverse section through the leaf of Aloe verru- -c
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. Comparative anatomy of the vegetative organs of the phanerogams and ferns;. Plant anatomy; Ferns. 78 CELLULAR TISSUE, Tidges. On tKe epidermis of the branches of Prumnopitys elegans ^ the process^^ are very large, .in the form of thick plates, which are blunt, often branched, of unequal size, and irregular curvature; so that in their sections separate pieces, cut off from these, lie isolated in the njon-cuticularised membrane. On the leaves of many Proteacese (Lomatia longifolia, Hakea ceratophylla, H, Baxter! **) the pro-. FlG. 25.—(390) Transverse section through the leaf of Aloe verru- -cosa. a lying in water, not acted upon by reagents. The non- ciiticularised parts of the membranes shaded; outside this the lenticular layers, broken up by darker limiting lamellae, and covered by the cuticle, which has a double contour, b after warmipg with i potash solution. The cuticle^-r-A^ raised from the (shaded) cuticular layers; the non-cuticularised (unshaded) inner layers somewhat swol- 'len. c epidermal cells after complete removal of the cuticle, and of the cutin deposited in the cuticular layers, by continued boiling with potash. They are separated frpm one another, and are seated upon the cells of the sub-epiderraal parenchyma; the cuticular layers are ^ now only distinguishable from the others by more delicate stratiflca- ' tion.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Bary, A. de (Anton), 1831-1888; Bower, F. O. (Frederick Orpen), 1855-1948; Scott, Dukinfield Henry, 1854-1934. Oxford, Clarendon Press