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 203
oot-structure. The cross-sectionof a piece of a fully-developed root (Fig. 66) shows that here thexylem rays (s) of the central cylinder, do not coalesce in thecentre of the cylinder, but are usually, to the number of eight,arranged in an interrupted ring, while the middle is occupied bya pith. The… … laterally by a single or double layer of parenchymatous ground-tissue cells (conjunctive), and, outwards, are separated from theendodermis (e) by a unilamellar pericycle (p). The endodermisconsists of flattened, thin-walled cells. The endodermis, thepericycle, and all the other ground-tissue cells…
Botany · Plant physiology · Microscopy
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