Volume 9, Issue 4 (1980)
Front Matter
Articles
Further Concepts in Ecological Wood Anatomy, with Comments on Recent Work in Wood Anatomy and Evolution
Sherwin Carlquist
Petal Epidermal Dimorphism and UV Absorption in Anthochlor-pigmented Flowers
Ron Scogin and Patricia Rogers
Anatomical Diversity in Roots of Seven Species of Abronia from California and Its Ecological Implications
Janet S. Webster and Ruth C. Wilson
Productivity, Depletion, and Natural Selection of Salvia Columbariae Seeds
Robert D. Brayton and Brian Capon