Thallus form and type
Cloudy tufts Intertidal rocks
Mid littoral zone and sub littoral zone
Plants light brown in colour, mostly epiphytic, growing as tufts, 5 - 10 cm tall, attached by means of branched rhizoids from the basal parts of the filaments, erect filaments profusely, monopodialy and irregularly branched, gradually tapering into hair like structures, cells rectangular to barrel shaped with band shaped chloroplast (Fig. a); plurilocular gametangia cylindrically elongated, sessile, rarely stalked, with obtuse apices (Fig. b).
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