Note 43 — PART IV. NOTICES OF AUTHORS RELATIVE TO TIMBER.
Reading edition
The want of the annual layers of cellular tissue of wood, exterior to and separating the annual lineal tubes, is so complete in some cases of slow growth, that the timber seems only a light congeries of tubes, without arrangement; hence the age of the tree cannot be determined but by a section of the root-bulb, where the growths are larger, and the deposits regular.