The Fekn Lover's Companion 



21 



KALE SKiSLO FERN. 



JDevelopment csf 5pore 



Archeg'oniuffi in sectional 

 elevation and plan. 

 Sectional elevation- 



\ouo^ Troixi 



Prothallium. under surfac-i 

 Archegonia. 



antral celK 



Frothillimfl-'f ^ \ _ 



\ ^ Ca.nal coils i 



, \ '^ ' 1 / In four vo-fii. 



^0. 



AnthfeCidia. 



mMy 



vr 





Antherozold, 



Antheridiiim. 



^,0"'^^'*^ ,Mcther cslls of 



^^ 





Moth«r Ottll with antherozoid. 



Fern Reproduction by the Prothallium 



