I TP- 



UNIVERSITY OF CALIFORNIA PUBLICATIONS 



BOTANY 



Vol. 8, No. 1, pp. 1-138, plates 1-8 November 29, 1919 



THE MARINE ALGAE OF THE PACIFIC COAST 



OF NORTH AMERICA 



PART I 



MYXOPHYCEAE 



BV 



WILLIAM ALBERT SETCHELL 



AND 



NATHANIEL LYON GARDNER 



CONTENTS 



PAGE 



Subclass I. Myxophyceae 2 



Order 1. — Coccogonales 4 



Family 1. — Chroococcaceae , 5 



1. Synechocystis 6 



2. Synechococcus 7 



3. Mcrismopedia 8 



4. Chroococcus 9 



5. Placoma 11 



6. Anacystis 12 



7. Chlorogloca 15 



Family 2. — Chamaesiphonacea'e 20 



8. Dermocarpa 21 



9. Xenococcus 30 



10. Pleurocapsa 36 



11. Hyella 40 



12. Radaisia 45 



13. Gomphosphacria 49 



Order 2. — Hormogonales 51 



Suborder 1. — Homocystineae 52 



Family 3. — Oscillatoriaceae 52 



Subfamily 1. — Spirulineae 53 



14. Arthrospira 53 



15. Spirulina 55 



Subfamily 2. — Oscillarieae 57 



16. Oscillatoria 58 



