XIII 



LYCOPODINEJE 



501 



B. 



FIG. 290. A, Plant of Phylloglossum Drummondii, X about 3 (after Bertrand). sp, 

 Sporangia; R, roots; T 1 , protocorm; T 2 , secondary protocorm; B, longitudinal sec- 

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

 (/', /"), and young sporangium O/>), X24o; C-E, young sporangia of Lycopodium 

 selago, radial sections, X22$; F, tangential section of the same; G, radial section 

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



