30 Mr. Gc. Murray on Ceylon Algce in the 



Laurencia perforata, Mont. 

 Harvey ! No. 19. Ferguson ! 

 Geogr. distr. In tropical and subtropical aeas. 



Laurencia ohtusa, Huds. 

 Ferguson ! 

 Geogr. distr. Throughout all warm and temperate oceans. 



Laurencia hgbrida, J. Ag, 



Harvey ! No. 18. 



Geogr. distr. Mediterranean and Atlantic (Europe). 



Laurencia ceylanica, J. Ag. 

 Harvey! No. 17. 



Laurencia concinna, Mont. 

 Ferguson ! 

 Geogr. distr. Australia, Philippines. 



Laurencia fastigiata, Mont. 

 Ferguson ! 

 Geogr. distr. Mediterranean. 



Ehodomele^. 



Acanthophora Delilei, Lam. 

 Ferguson ! 

 Geogr. distr. Ked Sea, Mediterranean. 



Acanthophora dendroides, Harv. 



Harvey ! No. 10. 



Geogr. distr. Australia, Indian Ocean (Bombay, Hohsonl) 



Acanthophora Thierii, Lam. 

 Harvey ! No. 9. Ferguson ! 



Geogr. distr. Throughout warm and temperate Atlantic, 

 Pacific (Friendly Islands). 



Martensia frag His, Harv. 

 Harvey ! No. 5. 



Bryothamnion Seaforthii, Kiitz. 

 Ferguson ! 

 Geogr. distr. West Indies, Florida, Mexico, Brazil. 



Bostrychia teneJla, J. Ag. 

 Harvey! No. 11 (sub B. calamistrata, Mont.). 

 Geogr. distr. Throughout warmer Atlantic, Cape of Good 

 Hope, Pacific (Friendly Islands). 



