Taxonomic notes on marine algae from Malaysia I. six species of Rhodophyceae

The following five species of marine red algae are reported from Malaysia f or the first time and their characteristic features are described: Cryptone mia yendoi Weber-van Bosse (Halymeniaceae, Cryptonemiales), Caulacanthus us tulatus (Turner) Kutzing (Caulacanthaceae, Gigartinales), Chondracanthus in termedius (Suringar) Hommersand (Gigartinaceae, Gigartinales), Griffithsia schousboei Montagne (Ceramiaceae, Ceramiales) and Laurencia flexilis Setche ll (Rhodomelaceae, Ceramiales). The presence of Anotrichium tenue (C. Agard h) Nageli (Ceramiaceae, Ceramiales) in Malaysia is confirmed. Chondracanthu s okamurae Abbott, originally described from Japan, is reduced to the synon ymy of C. intermedius.