A. GEPP : MARINE ALGÆ. 45 
MARINE ALGÆ. 
By A. Gerr, M.A., F.L.S. 
CHLOROPHYCEÆ. 
ExTEROMORPHA COMPRESSA Grey. Baie Ouémo ; on angiosperms. 112. 
CHJETOMORPHA NATALENSIS Hering. Baie Ouémo ; on rocks at low-tide 
mark. 114, 
DICTYOSPHÆRIA FAVULOSA Decaisne. Baie Ouémo; on rocks at low- 
water mark, 109, 
POLYPHYSA PENICULUS Ag. Baie Ouémo ; on rocks at low-water mark. 
110. 
Harımepa Opuntia Lamour. Baie Ouémo; at low spring-tide mark. 
722. 
HaLiMEDA Tuna Lamour, Baie Ouémo ; at low spring-tide mark, 723. 
CODIUM sPONGIOSUM Harv. Baie Ouémo ; washed up. 120. 
PHÆOPHYCEZÆ, 
TURBINARIA ORNATA J. Ag. Baie Ouémo ; washed up. 103. 
CYSTOPHYLLUM MURICATUM J. Ag. Baie Ouémo ; washed up. 124. 
DICTYOTA FURCELLATA Ag. Baie Ouémo; washed up. 127. 
SPHACELARIA FURCIGERA Kuctz. Baie Ouémo; epiphytic. 106. 
SPHACELARIA TBIBULOIDES Menegh. Epiphytic on floating Turbinaria. 
122 (in part). 
RHODOPHYCEZ. 
GRACILARIA CONFERVOIDES Grey, Baie Ouémo; on stones just below 
low-tide mark, 119. 
CHAMPIA COMPRESSA Harv. Epiphytic on stems of Turbinaria. 123. 
ACANTHOPHORA ORIENTALIS J. Ag. Baie Ouémo; on stones just below 
low-tide mark. 117. 
