[1593] Renault and Zeiller (88) A. p. 178, Pls. V.–VIII. Ante, p. 419.
[1594] Potonié (02).
[1595] Schimper (69) A. p. 688.
CAMBRIDGE: PRINTED BY JOHN CLAY, M.A. AT THE UNIVERSITY PRESS.
CAMBRIDGE BIOLOGICAL
SERIES
General Editor, A. E. Shipley, M.A., F.R.S., Master of Christ’s College.