Multi-volume work
Gray, S.F.
1821. A Natural Arrangement of British Plants, according to their relations to each other, as pointed out by Jussieu, De Candolle, Brown, &c. including those cultivated for use; with An Introduction to Botany, in which the terms newly introduced are explained; Illustrated by Figures. Baldwin, Cradock, and Joy, London: 2 vols..
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Volumes
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Gray, S.F., 1821a.
Vol. I: [i]-xxviii, [1]-824, 21 pls..
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Gray, S.F., 1821b.
Vol. II: [i]-viii, [1]-757.
New: Subsequent rank