Handbook of practical botany for the botanical laboratory and private student (1908)
Strasburger, Eduard, 1844-1912, Hillhouse, William, 1850-1910 · London, S. Sonnenschein; New York, Macmillan · leaf 269
threads are seen in these cells, which pass with-out hindrance from one cell to the other through the pores. Theseporous elements of the outer cortex of Sphagnum contain onlywater or air, and are without living cell-contents. To the plantthey serve as a capillary apparatus, by which the water may…
Botany · Plant physiology · Microscopy
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