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 103
ease in thickness of its walls,so that several open into the cell-cavity by a common canal.Where two thickened cells are in contact, it can be determinedthat the pore-canals coincide in position with one another. Intheir fully developed condition, in which w^e see them here,these cells no longer… … iodine, the thin parenchyma-cells take on gradually, but evenmore slowly than in the beetroot, a violet colour; the strongly thickened cells ra-pidly become yel-low-brown. Theselatter are thereforelignified, and be-long, on accountof their strongthickening and lig-nification, to thesclerenchyma…
Botany · Plant physiology · Microscopy
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