BROWN 



145 



FIG. 61. NEREOCYSTIS. (AFTER SETCHELL.) 



FlG. 63. DlCTYOTA DlCHOTOMA. (AFTER 

 BORNET AND THURET.) 



The sorus above with motionless eggs, 

 IG. 62. SACCORHIZA. below with antheridia. 



10 



