A Manual of orchidaceous plants cultivated under glass in Great Britain - Amsterdam : A. Asher, 1963 - v. : ill., maps, plates ; 23 cm .

Reprint of 1887-94 ed.

v. 1, p. 154-160.

v. 1. Epidendreae - v. 2. Vandeae-cypripedieae

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Orchids--Varieties