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 183
te on page 152. 10 146 X. THE CONIFEROUS STEM. wood the closing membrane round the torus sometimes showsradial striation (Fig. 27 .4). The torus can be shown up clearlyif the section is laid for about fifteen minutes in Bohmers log-wood solution, or in haem-alum ; but sections taken from… … vt u c Fig. 54,—Radial longitudinal section through the stem of the Scotch fir, at the outerlimits of the xylem, through the cambium, and the adjoining bast, and showingalso a medullary ray. s, autumnal tracheide ; t, bordered pit; r, cambium ;V, sieve-tube ; vt, sieve-area; tm, tracheidal…
Botany · Plant physiology · Microscopy
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