1. A biosystematic study of Pacific Northwestern blue-eyed grasses (Sisyrinchium, Iridaceae)

   • Douglass M. Henderson

   OriginalPaper Pages: 149 - 176

2. Flavonoid systematics of the genus Perideridia (Umbelliferae)

   • David E. Giannasi
   • Tsan Iang Chuang

   OriginalPaper Pages: 177 - 194

3. Britonia index for volume 27

   Announcement Pages: 194 - 194

4. Four new species Of Mexican Castilleja (subgenus Castilleja, Scrophulariaceae) and their relatives

   • Noel H. Holmgren

   OriginalPaper Pages: 195 - 208

5. Additions to Neotropical Chrysobalanaceae

   • Ghillean T. Prance

   OriginalPaper Pages: 209 - 230

6. Three new monographs of Flora Neotropica

   Announcement Pages: 230 - 230

7. Maracanthus, a new genus of Loranthaceae

   • Job Kuijt

   OriginalPaper Pages: 231 - 238

8. Psilotaceae symposium to be published in Brittonia

   Announcement Pages: 238 - 238

9. Two new species and a new combination in Frantzia (Cucurbitaceae)

   • Richard P. Wunderlin

   OriginalPaper Pages: 239 - 244

10. Dedeckera (Polygonaceae), a new genus from California

    • James L. Reveal
    • John Thomas Howell

    OriginalPaper Pages: 245 - 251

11. A new species of Torulinium (Cyperaceae) from the Bahama Islands

    • Tetsuo Koyama

    OriginalPaper Pages: 252 - 254

12. Sphaeromeria, a genus closer to Artemisia than to Tanacetum (Asteraceae: Anthemideae)

    • Arthur H. Holmgren
    • Leila M. Shultz
    • Timothy K. Lowrey

    OriginalPaper Pages: 255 - 262

13. A new species of Erigeron (Asteraceae) and its relatives in southwestern Utah

    • Guy L. Nesom

    OriginalPaper Pages: 263 - 272