Volume 12, Issue 2 (1989)
This issue of Volume 12 was published 11th May, 1989.Front Matter
Articles
Wood Anatomy of Tasmannia
Sherwin Carlquist
Assessing the Utility of Isozyme Number for Determining Ploidal Level
Loren H. Rieseberg and Douglas E. Soltis
Distribution of Vessel Diameter in Ring-porous Trees
D. W. Woodcock
Factors Limiting Sexual Reproduction in Platanus Wrightii in Southeastern Arizona
Jane H. Bock and Carl E. Bock
Leaf Anatomy of the Goetzeaceae
Scott Zona
Follar Flavonoids of Keckiella Ternata
Ron Scogin
Taxonomy and Natural History of Hydnora (Hydnoraceae)
Lytton J. Musselman and Johann H. Visser
Systematics of Nama (Hydrophyllaceae)
John D. Bacon
Taxonomy and Morphology of Aporomyces (Laboulbeniales)
Richard K. Benjamin
Wood Anatomy and Relationships of Montinia
Sherwin Carlquist
Allozyme Variation in Hellianthus Praecox Ssp. Hirtus, A Rare Sunflower from Southern Texas
Loren H. Reiseberg and Michael F. Doyle