

/iINATION OF PERN SPOE 



istraea d latata. 2. Spores of L. fllix-mas. 



Osmunda regalia ' lackofsame i] .podium phegopt* - '/hen young. 



cerium alcicorne, and 7, 8. 9, to 13. i . I.astraea rigida. 



The same young. 7 to 13. Progressive develoiM of m alccorne. 



A. First new cell. B. Old cell. G. and germ. 



F. j'oramen. K. Radia. P. Kxtine. M. Kern always appears here. 



