. Studies on the vegetation of the Transcaspian lowlands. Botany. — 240 — outside this is a tliin-walled endodermis whicli on its out- ward side bears shreds of tlie cortex. , The stocliitig itself was originally formed by mucilage secreted by the young root; later on the root-hairs penetrate the sand (R. Price), and long after they are dead, they keep the sand-grains bound togethet. Root-hairs are found on the epidermis which is still entire and forms the inner wall of the sand-tube. The internal diameter of the stocking'. Fig. 64. Aristida pennaia. A, Part of leaf in transverse section, slig
. Studies on the vegetation of the Transcaspian lowlands. Botany. — 240 — outside this is a tliin-walled endodermis whicli on its out- ward side bears shreds of tlie cortex. , The stocliitig itself was originally formed by mucilage secreted by the young root; later on the root-hairs penetrate the sand (R. Price), and long after they are dead, they keep the sand-grains bound togethet. Root-hairs are found on the epidermis which is still entire and forms the inner wall of the sand-tube. The internal diameter of the stocking'. Fig. 64. Aristida pennaia. A, Part of leaf in transverse section, slightly diagrammatic. Sclerenchyma black, green tissue shaded. B, Detail of A. N, Veins; C, Epidermis" of the lower face with hairs. A, X 53; B and C, X 203). thus indicates the original thickness of the root, but from Ihe disappearance of the primary cortex the root becomes so thin that is lies loosely in the tube. The straw or haulm is solid and the vascular bundles lie scattered in a somewhat thick-celled tissue; each of them. 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 Paulsen, Ove, 1874-1947; Second Danish Pamir expedition. Copenhagen, Gyldendalske Boghandel
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1912
