Douro River, Portugal
Comments? Do please tell us: [email protected]
Botanical studies of grape vines Vitis vinifera. Four figures, showing last year’s branch, three year’s wood, the trunk three feet above ground, and the root two feet below ground. From the Douro wine region of Portugal. Detail of an original illustration from the manuscript version of the paper ‘On the vine-disease in the port-wine districts of the Alto-Douro in April 1854. With a supplementary note on the proposed remedies for its eradication’, by J.J. Forrester. Proceedings of the Royal Society of London, vol.7 (1854), pp.156-164.