Studies in saxifragaceae—I. The heuchera cylindrica complex in and adjacent to British Columbia J. A. CalderD. B. O. Savile OriginalPaper Pages: 49 - 67
The segregate genera of the Lepidozia complex (Hepaticae) part 1. Sprucella steph. and neolepidozia gen. Nov. Margaret FulfordJane Taylor OriginalPaper Pages: 77 - 85
Contribution to the mosses of the highlands of Eastern New Guinea Edwin B. Bartram OriginalPaper Pages: 86 - 98