'V 



Fig. i8r. — Branch of Ceramhun strictiiiJi Grev. 

 with favellae ( X 40). (After Kiitzing.) 



liifinwnnnnnoniinn^f/niinnnnmnanwnnf^ 



b 



Fig. 180. — Branch of CaUitha77inioi 

 seirosper/niun Griff., with seirospores 

 ( X :oo). (After Kiitzing.) 





Fig. 182. — Melobesia meinbranacea Lmx. a, vertical 

 section through female conceptacle ; b, vertical sectiorr 

 through conceptacie with tetraspcranges ; c, vertical 

 section through male conceptacle (x 350); d, pol- 

 linoids (x 1300). (Al.er Rosanoff.) 



