B ' A 



Fig. 103. Dictyosiphon. A, plant. B, portion of thallus of the closely related 

 genus Gobia showing mode of construction with hairs, unilocular sporangia and 

 assimilators. C, unilocular sporangia of Gohia. (After Oltmanns.) 



Fig. 104. Asperococcus bullosus. A, plant. B, unilocular sporangia ( x 225). 

 C, plunlocular sporangia ( x 225). (A, after Oltmanns; B, C, after Newton.) 



