Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 676
t in a cold damp atmosphere, or by a fallof temperature in a tree that requires heat—would appear from thefrequency with which a double or even a multiple succession of ringsis found in transverse sections of wood to occupy the place of asingle one. Thus in a section of hazel stem (in the Authors… … a b c Fig. 486.—Portion of transverse section of stem of hazel, showing, in the portion a, b, c, six narrow layers of wood. yet composed of no fewer than six layers, four of them (c) being verynarrow, and each of the other two («, b) being about as wide asthese four together. The inner rings of…
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