Oxford, Clarendon press, 1887.

Oxford :Clarendon Press,1887. | New York Botanical Garden, LuEsther T. Mertz Library

Oxford: Clarendon Press, 1887.

Oxford :Clarendon Press,1887. | University of California Libraries (archive.org) View

Oxford: Clarendon Press, 1909.

Oxford, Clarendon press, 1900-05.

Oxford, Clarendon Press, 1887.

Oxford, Clarendon Press, 1903.

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