24 Mr. G. Murray on Ceylon Algce in the 



Halymenia dubia, Bory. 

 Ferguson ! 

 Oeogr. distr. Cape Comorin. 



Orateloupia filicina^ Wulf. 

 Harvey ! No. 40. Ferguson ! 



Oeogr. distr. Indian Ocean, Cape of Good Hope, Pacific, 

 throughout Atlantic, Mediterranean. 



Cryptonemia rigida^ Harv. 

 Harvey ! No. 51. 



GlGARTINE^. 



Oigartina acicularisy J. Ag. 

 Ferguson ! 



Oeogr. distr. Kurrachee {Murray !) , Mediterranean, At- 

 lantic; Cuba. 



Gymnogongrus pygmceuSj Grev. 

 Ferguson ! 

 Oeogr. distr. Indian Ocean. 



Gymnogongrus glomeratus^ J. Ag. 

 Ferguson ! 

 Oeogr. distr. Mauritius, Cape of Good Hope. 



Gymnogongrus vermicularis, Turn. 



Ferguson ! 



Oeogr. distr. Mauritius, Cape of Good Hope, Chili and 

 Peru, New Caledonia. 



Gymnogongrus ligulatus^ Harv. 



Harvey ! No. 50. Ferguson ! 



Oeogr. distr. Japan? [J. G. Agardh, Spec. Gen. et Ord. 

 Alg. vol. iii. p. 214, says, " G. ligidatus, Harv., Alg. Ceyl. 

 mihi est Cryptonemise sp."] 



FhyllopJiora Maillardi, Mont, et M, 



Ferguson 1 



Oeogr. distr. Indian Ocean. [J. G. Agardh, he. cit. 

 p. 682, states, " Fide iconis datai hsec mihi nulla species 

 Phyllojihorce videtur, sed Cryptonemice species e sectione 

 Acrodisci, ad Cr. rigidam accedens, si cum hac non omnino 

 identica sit." The specimen so named by Prof. Dickie has 

 not the least resemblance to Cryptonemia rigida. It is dis- 

 tinctly a Fhyllopliora. I am inclined to regard it as P. ruhenSy 

 var.] 



