LYCOPODINE^ 



501 



Fig. 290.— a. Plant of Phylloglossum Drummondii, x about 3 (after Bertrand). sp. 

 Sporangia; R, roots; !>, protocorm; T^, secondary protocorm; B, longitudinal sec- 

 tion of the young strobilus of the same, showing the initial cell (0, young leaves 

 (/', I"), and young sporangium (j/j), X240; C-E, young sporangia of Lycopodium 

 selago, radial sections, X22S; F, tangential section of the same; G, radial section 

 of youngs sporangium of L. clavatum (Figs. B-G after Bower). 



