28 Mr. G. Murray on Ceylon Algce in the 



Liagora pulverulenta^ Ag. 

 Ferguson ! 

 Oeogr. distr, Mauritius, Atlantic (trop. Amer.). 



Liagora viscida^ Forsk. 

 Ferguson ! 



Geogr. distr. Australia, Pacific^ tropical and subtropical 

 Atlantic, Mediterranean. 



Oalaxaurafragilis, Lam. 

 Ferguson ! 

 Geogr. distr. Red Sea, Indian Ocean, Japan, Madeira. 



Galaxaura rugosa^ Sol. 



Ferguson ! 



Geogr. distr. Tropical Atlantic, Mauritius, S. Andaraans, 

 China, Tahiti. [Agardh does not accept the Indian and 

 Pacific specimens he has seen as G. rugosa. Having com- 

 pared them with Atlantic specimens I cannot regard Agardh's 

 reasons for separating them as sufficiently strong.] 



Galaxaura layidescens^ Lam. 

 Ferguson ! 

 Geogr. distr. Throughout tropical and subtropical oceans. 



Galaxaura Pikeana^ Dickie. 

 Ferguson ! 

 Geogr. distr. Mauritius. 



Ch^ETANGIE^. 

 Zanardinia marginata, J. Ag. 

 Harvey! No. 36 {?,\x\i Galaxaura). Ferguson! 

 Geogr. distr. Throughout tropical and subtropical oceans. 



Gelidie^. 

 Pterocladia lucida, R. Br. 

 Ferguson ! 



Geogr. distr. Australia, New Zealand, Lord Howe's Island, 

 St. Helena. 



Gelidium variahile^ Grev. 

 Harvey ! No. 33. Ferguson ! 

 Geogr. distr. Indian Ocean. 



Gelidium corneunij J. Ag. 

 Harvey ! No. 31, var. proliferum. Ferguson ! 

 Geogr. distr. Indian, Pacific, and Atlantic Oceans. 



Gelidium acrocarpumj Harv. 

 Harvey! No. 34. Ferguson! 

 Geogr. distr. Friendly Islands. 



