Table of Contents:
- v.1. Chlorophyceae
- v.2. Phaeophyceae
- v.3-6. Rhodophyceae
- v.7. An additional list of species to Part I Chlorophyceae
- v.8. Additional lists to the Chlorophyceae and Phaeophyceae
- v.9-14. Additions to the parts previously published
- v.15. Final part [including index to the entire work]