17 } < 0LUN8 AND IN BV1 1 . 



PLATE II. 



Nitophyllum Wilkinsoniae Collin- A Bervey. 



Figure 9. Margin of frond. 120 X 1. 



Chondria curvilineata Collin- A: Bervey. 



Figube 10. Portion of branch with ramulus and terminal leaves. 255 X 1. 

 Figubi 11. Optica] section of branch. 255 X 1. 



Chondria polyrhiza Collins iV: Ilervey. 

 Figure 12. Branch with rhizoids and tetraspores. 240 X 1. 



Lophosiphonia Saccorhiza Collins & Ilervey. 



QBE 13. Tip of erect axis. 600 X 1. 

 Figure 14. Ramulus with tetraspores. COO X 1. 



