178 THE MARINE BOTANIST. 



slightly forked. Substance firm, opaque, but ad- 

 hering* well to paper. Colour a bright red. This 

 plant is often fringed along the margin with minute 

 processes {cilia), in which the tubercles are con- 

 tained. Tetraspores form cloudy spots close to the 

 margin. Grows commonly on rocks and stones in 

 deep water. Biennial. Fruiting from January to 

 July. 



EHODYMENIA PALMETTA.-PALM-LIKE 

 RHODYMENIA. 



This species has fan-shaped fronds, more or less 

 divided and forked, with a cylindrical stem. The 

 var. NicceeTisis rises from creeping fibres and bears 

 a narrow forked frond, very much resembling 

 Phyllophora Palmettoides. Colour a pinky red, 

 when young, dull in old plants. Substance firm, 

 not adhering to paper. Tubercles usually near the 

 tips of the frond. Tetraspores in cloudy spots on 

 the expanded tips of the segments. Not unfre- 



