423 



Fig. 78. Myrionema speciosum nov. spec. a, b and c- erect filaments with hairs and plurilocular sporangia ; 

 d erect filament with unilocular sporangia; e young filament showing the chromatopliores ; f part of 

 the base with erect filaments in transverse section; .'/ and h the basal disc. a, (>. c. d, y. h 200:1; 



e, f 350: 1. 



by Gran. The cells of the main filament whence the sporangia 

 spring, are also in the latter species frequently transformed into 

 sporangia, thus forming what Gran calls half intercalary sporangia, 



