160 



half this length; their diameter may reach bO ju, but is usually 

 about 2b—21ju. 



The unilocular sporangia (Fig, 127, Fig. 128 /) are obovate-oval, 

 sessile, attaining a length up to 110/^ and a breadth of about 70/7. 



Fig. 127. Ectocarpus Duchassaingianus Grun. 



Filaments with phirilocular sporangia and a single unilocular. 



(About 90:1). 



The present species was found with both kinds of sporangia 

 in the months December — March. 



This species seems to be nearly related to Ectocarpus indicus 

 Sonder (comp. the figure given by M""^ Weber in "Algues du 



