EXPLANATIONS AND REFERENCED 



PLATE CI. 



v Figures magnified 250 diameters. 



PAGE. 

 Figs. 1, 2. STIGEOCLONIUM PROTENSUM, ... . 112 



" 3,4. " " the terminal setae, . . 112 



Fig. 5-7. STIGEOCLONIUM TENUE, Var. irregulare, . . .112 



Figs. 8, 9. STIGEOCLONIUM UNIFORME, Var. gracile, . . . Ill 



Fig. 10-11. " " articulations developing sporangia, 111 



