THE MARINE ALGAE OF THE L.M.B.C. DISTRICT. 139 



C. tetragonum, C. Ag. (With cystocarpia and gonid- 



angia.) Port Erin, Port S. Mary, Douglas 



Bay (Brady, Talbot), Peel. 

 C. tetragonum, var. brachiatum, J. Ag. (With cysto- 

 carpia and gonidangia.) Port Erin, Douglas 



Bay (Talbot). 

 C. corymbosum, Lyngb. Port Erin, Port S. Mary, 



Douglas Bay (Talbot). 

 C granulatum, C. Ag. Douglas Bay (Brady, 



Talbot). 

 C. seirospermum, Griff. Douglas Bay (Miss 



Thompson). 

 C. byssoides, Arn. Kirk Onchan (Brady), Port 



Erin. 

 Compsothamnion thuyoides. Schm. Douglas Bay 



(Mrs. Gatty). 

 Plumaria elegans, Bonnem. Port Erin, Port S. 



Mary, Douglas Bay (Mrs. Gatty), Peel. 

 Ptilota plumosa, C. Ag. Port Erin, Port S. Mary, 



Douglas Bay (Mrs. Gatty). 

 Antithamnion plumula, Thur. Douglas Bay (Mrs. 



Gatty, Talbot). 

 *Ceramium gracillimum, Harv. Port Erin. 

 C. tenuis simum, J. Ag. Douglas Bay (Talbot), 



Port Erin. 

 C. fastigiatum, Harv. Douglas Bay (Talbot). 

 C. deslongchampsii, Chauv. Port Erin, Port S. 



Mary, dredged off Contrary Head, Douglas Bay 



(Talbot). 

 C. striatum, Harv. var. divaricata, Holm. & Batt. 



Port Erin. 

 C. circinatum, J. Ag. Douglas Bay (Mrs. Gatty, 



Talbot). 

 C. rubrum, C. Ag. Port Erin, Port S. Mary, 



Douglas Bay (Talbot), Peel. 



