86 



PLANT-LIFE 



Callithamnion corymbosum (Fig. 30) occurs on rocks 

 and other Algse. It is pinkish, soft, gelatinous, and 

 glossy when dried. It grows in repeatedly branched 



Fig. 30. — Calithamnion corymbosum. 



Portion of male plant, with clusters of antheridia (a), x about 150. 

 sp, A group of antheridia detached, surrounded by free male elements. 

 X about 240. 



filaments, the entire thallus ranging from 1 to 3 inches 

 in length. This species is one of the simpler Eed Algse, 



