The gardener's magazine and register of rural & domestic improvement (1826)
Loudon, J. C. (John Claudius), 1783-1843, A. & R. Spottiswoode, printer, United States. Patent Office. Scientific Library, former owner DSI · London : Longman, Rees, Orme, Brown and Green · leaf 189
but this year it exhibits an early yello^soing of the leaves, similarto Jig. 21. No appearance of sap showed itself on either of the 071 Vegetable Physiology. 165 … surfaces of the edges of the exposed alburnous layers; only thetwo developements before alluded to, m Jig. 21., very copiouslyproduced. Fig. 24. represents part of thestem of a tree, divested of itscortical layers, and twelve layersof the alburnous wood. This tree continues to live,and appears not…
