68 TRANSACTIONS, NATURAL HISTORY SOCIETY OF GLASGOW. 



COHORT GIGAKTININ^. 



Order Gigartinace^. 



Tribe Gisjartineae. 

 Chondrus, J. Ag. 



C. crispus, Stackh. 



Gigartina, Stackh. 



G. mamillosa, J. Ag. 

 G. acicularis, Lamx. 



Tribe Tylocarpese. 

 Pliyllophora, Grev. 



P. ruhens, Grev. 



Tribe Rhodopliyllidese. 

 Kbodophyllis, Klitz. 



R. ap2)endiculata, J. Ag. 



COHORT RHODYMENIN^. 



Order Riiodymeniace^. 



Tribe Rhodymeniese. 

 Rbodymenia, J. Ag. 



Ji. pahnata, Grev. 



E. 2^cibnata, Grev., f. sobolifera, J. Ag. 

 Lomeiitaria, Lyngb. 



L. articulata, Lyngb. ( = Chylocladm articalata, Phyc. 

 Brit.). 



L. davellosa, Gaill. ( = Chnjsyinenia clavellosa, Phyc. Brit.). 

 Chylocladia, Grev. 



C. kaliformis, Grev. 



Tribe Plocamiese. 

 Plocamium, Lviij^b. 



p. cocclneiom. Lvncfb. 



Order Delesseriack^. 



Tribe Nitophyllese. 

 Nitophyllum, Grev. 



A", laceratum, Grev. 



N. Bonnemaisonii, Grev. 



N. versicolor, Harv. 



