Hepaticae and Anthocerotes of western Oregon

Pp. 111; 5 plates (line-drawings).  Publisher’s original printed olive-green wrappers, lg 8vo.  University of Oregon Publications volume 1, no. 1.  Hepatica is a genus of herbaceous perennials in the buttercup family, native to central and northern Europe, Asia and eastern North America.  Anthoceros is a genus of hornworts in the family Anthocerotaceae.  The genus is global in its distribution.  Its name means 'flower horn’ and refers to the characteristic horn-shaped sporophytes that all hornworts produce.  Faint signature in pencil on the front wrapper.  No other ownership marks.  Rare work seldom offered.