 | British Pharmaceutical Conference - 1900 - 668 pages
...The patches formed by the internal phloem— two of which arise just below the cotyledonary node and the other two just below the node bearing the first pair of leaves — are bounded internally by a two-celled phloem sheath, and they grow centrifugally by means of a... | |
 | University of Pennsylvania. Botanical Laboratory - Botany - 1904 - 532 pages
...the cortex of the root. Absorption of starch usually results in cells inhabited by the fungus. IO. No internal phloem is present in the lower portion...Fig. I. Transverse section of one year old stem. X 3S°Fig. 2. Transverse section of portion of ten year old stem, showing the internal phloem divided... | |
 | Botanical Society of Pennsylvania, Philadelphia - Botany - 1899 - 636 pages
...apex of the stem the first cells to differentiate from the primary meristem are the spiral trachea; of the protoxylem, which are arranged in radial rows....Fig. I. Transverse section of one year old stem. X 3S°Fig. 2. Transverse section of portion of ten year old stem, showing the internal phloem divided... | |
 | Pharmacology - 1899 - 688 pages
...(10) No internal phloem is present in the lower portion of the hypocotyl, nor in the cotyledons. (n) Two of the internal phloem patches of the stem arise...twisted stems, to supplement the external phloem. RECENT LITERATURE RELATING TO PHARMACY. A SUBSTITUTE FOR HYDROGEN SULPHIDE IN ANALYSIS. Any means,... | |
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... primitive collateral bundle system prevails. 8. No internal phloem is present in the root. 9. A copious fungoid growth is found in the cortex of the root. Absorption of starch usually results in cells inhabited by the fungus. 10. No internal phloem... 