Herbarium of the British Museum. 29 



Gelidium intricatum^ Ag. 

 Ferguson ! 

 Geogr. distr. Indian Ocean, Pacific. 



Gelidium rigidum, Vahl. 

 Harvey ! No. 32. Ferguson ! 



Geogr. distr. Tropical and subtropical Atlantic, Pacific, 

 and Indian Oceans. 



Hypneace^. 



Hypnea hamulosa^ J. Ag. 



Ferguson ! 



Geogr. distr. Red Sea, Persian Gulf, Indian Ocean (Kur- 

 racliee, Murray !) ; Formosa, Cape of Good Hope. Doubtful 

 specimen from Martinique. 



Hypnea spinella^ Ag. 

 Ferguson ! 

 Geogr. distr. West Indies, Philippines. 



Hypnea pannosa, J. Ag. ? 



Harvey ! No. 94. Ferguson ! 



Geogr. distr. Gulf of Mexico. Agardii is doubtful of the 

 Indian-Ocean specimens ; Ferguson's Ceylon, Harvey's Cey- 

 lon and Friendly-Island, and Pike's Mauritius specimens 

 certainly hardly agree with a Barbadoes specimen named by 

 Dickie, but I have not seen the type. 



SOLIERIE^. 

 Meristotheca papulosa, Mont. 

 Harvey ! No. 39, sub Halymenia ceylanica, Harv. Fer- 

 guson ! 



Geogr. distr. Red Sea and Indian Ocean. 



Rhahdonia tenera, J. Ag. 

 Ferguson ! 

 Geogr. distr. Atlantic (West Indies and North America). 



Rhahdonia rohusta, Grev., var. Wightii, J. Ag. 



Ferguson ! 



Geogr. distr. Indian Ocean. [The other variety, ^.flagelli- 

 formis, is Australian.] 



Chondeie^. 



Laurencia hetei'oclada, Harv. 

 Ferguson ! 

 Geogr. distr. Australia. 



