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American Botany, 1873–1892. Decades of Transition. By Andrew Denny Rodgers III.

Flora of Illinois. By George Neville Jones.

Fragmenta Papuana. [Observations of a Naturalist in Netherlands New Guinea.] By H. J. Lam.

Root Disease Fungi. By S. D. Garrett.

Structure and Reproduction of the Algae. Vol. 11. Phaeophyceae, Rhodophyceae, Myxophyceae. By Felix E. Fritsch