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Rev. Hort. (Paris), ser. 4, vol. 93 (93e ANNÉE (1921)): p. 0, t. 0, fig. 0 (1921) [15]

Illustration contributed by:

Harvard University Botany Libraries, Cambridge, U.S.A.

Rev. Hort. (Paris), ser. 4, vol. 93 (93e ANNÉE (1921)): p. 0, t. 0, fig. 0 (1921)