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 188
oped its leaves, but has sincewithered away and died. I have every reason to concludethat the operation of ringing accelerated its death. There wasno appearance of any flow of sap, either above or below, from thetwo exposed edges of the layers o^ alburnum ; but there was a smalldevelopement of the… … liber, and pulp, but also of six layers of the alburnous wood.This tree exhibited no diminution of health or vigour last year;
