Series: University of Washington Publications in Biology, vol. 17(1-5). Incomplete contents: v. 1. Vascular Cryptogams, Gymnosperms and Monocotyledons; v. 2. Salicaceae to Saxifragaceae; v. 3. Saxifragaceaeti Ericaceae; v. 4. Ericaceae through Campanulaceae; v. 5. Compositae.