134 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



RHODOPHYCEAE. 

 Cohort I. PORPHYRINAE. 



Ord. I. PORPHYRACEAE. 



Porphyra umbilicalis, Kiitz. var. laciniata, J. Ag. 

 Port Erin, Douglas Bay (Talbot). 

 *P. leucosticta, Thur. Port Erin. 

 *P. ciliaris, Crn. Peel. 



*Bangia fuscopurpurea, Lyngb. Port S. Mary. 

 ■'Erythrotrichia carnea, J. Ag. Port S. Mary. 



Cohort II. NEMALIONINAE. 



Ord. I. Helminthocladiaceae. 



Acrochaetium virgatulum, J. Ag. Port Erin, Port 



S. Mary, Douglas Bay (Brady, Talbot). 

 A. daviesii, Nag. Port S. Mary, Douglas Bay (Mrs. 

 Gatty). 

 *Nemalion multifidum, J. Ag. (With cystocarpia.) 

 Peel. 

 Helminthocladia purpurea, J. Ag. Port Erin, 

 Peel, Douglas Bay (Talbot). 



Ord. III. GELIDIACEAE. 



Naccaria wigghii, Endl. Douglas Bay (Mrs. Gatty). 

 Gelidium comeum, Lamx. Port Erin, Port S. Mary, 



Flesh wick, Douglas Bay (Talbot). 

 G. crinale, J. Ag. Peel, Port Erin, Port S. Mary, 



Douglas Bay (Talbot). 



Cohort III. GIGARTININAE. 



Ord. I. GlGARTINACEAE. 



Chondrus crispus, Stackh. Port Erin, Port S. Mary, 

 Fleshwick, Douglas Bay (Talbot), Peel. 



Gigartina stellata, Batt. Port Erin, Port S. Mary, 

 Douglas Bay (Talbot), Peel. 



Phyllophora rubens, Grev. Port Erin, Fleshwick, 

 Kirk Onchan (Brady), Douglas Bay (Talbot). 



