THE MARINE BOTANIST. 295 



CLADOPHOEA. 



Name, signifying branch-hearing. 

 Filaments green, attached, uniform, branched; 

 composed of a sing-le series of cells or articulations. 

 Fruit aggregated : granules or zoospores, contained 

 in the articulations, having at some period a proper 

 ciliary motion. — Harv, 



CLADOPHORA RUPESTEIS. — DARK- 

 GREEN ROCK CLADOPHORA. 



Tufted, from three to six inches high; very 

 much and closely branched ; rigid, very dark green, 

 with erect close-pressed ramuli. Grows abundantly 

 on rocks between tide-marks. 



CLADOPHORA L^TE-VIRENS. — LIGHT- 

 GREEN BUSHY CLADOPHORA. 



Tufts four to eight inches long, much branched, 

 of a fine transparent yellow-green colour when 



