This report contains nineteen new records of marine algae from Mauriti
us (Indian Ocean). Data concerning ecological distribution and biogeog
raphy of the species is presented, with some descriptions and figures
of the most interesting plants: Chondria armata Okamura, Chondria dang
eardii Dawson, Eupogodon pilosus (Weber-van Bosse) Silva, Tolypiocladi
a calodictyon (Harvey ex Kutzing) Silva, and Ulva reticulata Forsskal.