1. Anatomy and systematics of Dendroseris (sensu lato)

   • Sherwin Carlquist

   OriginalPaper Pages: 99 - 121

2. Hybridization and regional variation in Pacific Northwestern Impatiens (Balsaminaceae)

   • Robert Ornduff

   OriginalPaper Pages: 122 - 128

3. Meadow fescue: Festuca elatior L. or F. pratensis Hudson?

   • Edward E. Terrell

   OriginalPaper Pages: 129 - 132

4. Ecotypic response to ultramafic soils by some plant species of northwestern United States

   • Arthur R. Kruckeberg

   OriginalPaper Pages: 133 - 151

5. Terpenes as taxonomic characters in Salvia section Audibertia

   • William A. Emboden
   • Harlan Lewis

   OriginalPaper Pages: 152 - 160

6. Vernonia georgiana—Species or hybrid?

   • S. B. Jones

   OriginalPaper Pages: 161 - 164

7. Anatomy and systematic position of Uldinia (Umbelliferae)

   • William L. Theobald

   OriginalPaper Pages: 165 - 173

8. New Agrostis from the California coast

   • Beecher Crampton

   OriginalPaper Pages: 174 - 177

9. Experimental studies of variation in hepaticae. I. Induced variation in lophocolea heterophylla

   • Raymond E. Hatcher

   OriginalPaper Pages: 178 - 201

10. News announcement

    • Stanwyn G. Shetler

    News Pages: 202 - 202