1. A taxonomic study of Californian delphiniums

   • Harlan Lewis
   • Carl Epling

   OriginalPaper Pages: 1 - 22

2. A revision of the genus Lagotis in China

   • Hui-Lin Li

   OriginalPaper Pages: 23 - 28

3. The genus Mazus (Scrophulariaceae)

   • Hui-Lin Li

   OriginalPaper Pages: 29 - 38

4. New species of Compositae from Ecuador, collected by W. H. Camp

   • José Cuatrecasas

   OriginalPaper Pages: 39 - 49

5. With Mr. and Mrs. Suydam cutting in Tibet: Plant notes, 1937

   • Henry K. Svenson

   OriginalPaper Pages: 51 - 58

6. Studies in tropical American Leguminosae—I

   • Richard S. Cowan

   OriginalPaper Pages: 59 - 60

7. A new ornamental Peperomia from Venezuela

   • T. G. Yuncker

   OriginalPaper Pages: 61 - 63

8. The genus Strychnos in British Guiana

   • D. B. Fanshawe

   OriginalPaper Pages: 65 - 68