180 < "i LEN8 WD ED kvi v. 



PLATE V. 

 Ceramium transversals Collins A Bervey. 



FiaUHB29. Prostrate filament with erect filament and rhizoids. 120 X 1 

 Figure 30. Erect filament with branch. 255 XI. 

 FlGURH 31. Branch with tetraspores. 1G0 X 1. 



Nitophyllum Wilkinsoniae Collins & Hervey. 



In. ire 32. Section of frond through a sorus. 160 X 1. 

 FlGUBE 33. Superficial view of a sorus. 160 X 1. 



Halymenia bermudensis Collins & Howe. 



Figure 34. Cross section. 255X1. 



Halymenia pseudofloresia Collins & Howe. 



Figure 35. Cross section. 130X1. 



