214 Rhodora l [NOVEMBER 
*Laminaria Platymeris De La Pyl. 
Leathesia difformis (L.) Aresch. 
Mesogloia divaricata (Ag.) Kuetz. 
*Myrionema Leclancheri (Chauv.) Harv. 
Petalonia fascia (Mueller) Kuntze. 
*Petalonia fascia var. caespitosa (LeJolis) Hauck et Richt. 
*Punctaria latifolia Grev. 
Pylaiella littoralis (L.) Kjellm. 
*Ralfsia verrucosa Aresch. 
*Scytosiphon lomentarius (L.) Lyngb. 
Sphacelaria cirrhosa (Roth) O. Ag. 
Rhodophyceae 
Acrochaetium virgatulum (Harv.) J. Ag. 
*Actinococcus subcutaneus (Lyngb.) Schmitz. 
Annfeldtia plicata (Turn.) Fries. 
*Antithamnion cruciatum (Ag.) Naeg. 
Callithamnion corymbosum (Eng. Bot.) Ag. 
Ceramium fastigiatum Harv. 
Ceramium rubrum (Huds.) Ag. 
*Ceramium strictum (Kuetz.) Harv. 
Champia parvula (Ag.) Harv. 
*Chondria tenuissima (Good. et Wood) Ag. var. Baileyana (Mont.) 
Farlow. 
Chondrus crispus (L.) Stackh. 
*Choreocolax Polysiphoniae Reinsch. 
Corallina officinalis L. 
Cystoclonium purpurascens (Huds.) Kuetz. 
*Cystoclonium purpurascens var. cirrhosa Harv. 
*Cystoclonium purpurascens var. stellata Collins. 
Delesseria sinuosa (Good. et Woodw.) Lamour. 
*Erythrotrichia ceramicola (Lyngb.) Aresch. 
Grinnellia americana (Ag.) Harv. 
*Hildenbrandtia Prototypus Nardo. 
Lithothamnion Lenormandi (Aresch.) Foslie (?). 
*Melobesia LeJolisii Rosanoff. 
*Melobesia pustulata Lamour. 
*Nemalion multifidum (Web. et Mohr) J. Ag. 
Phyllophora Brodaei (Turn.) J. Ag. 
