174 COLLINS AND HERVEY. 



PLATE II. 



Nitophyllum Wilkinsoniae Collins & Hervey. 

 FiGTJBE 9. Margin of frond. 120 X 1. 



Chondria curvilineata Collins & Hervey. 



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

 Figure 11. Optical section of branch. 255 X 1. 



Chondria polyrhiza Collins & Hervey. 

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



Lophosiphonia Sacoorhiza CoUins & Hervey. 



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

 Figure 14. Ramulus with tetraspores. 600 X 1. 



