ALTERNATING GENERATIONS 



I'll,. 22. 



Lycopodiun, co-nmtm, L., vzr. h.i.lila-i, (llaz. A, geneial lial.it (J natural si/e) ; 5, 

 nd of a branch (natural sixe) ; C, strobilus ( x 3) ; D, sporophyll seen frmn above; J*-, 

 itto, from the side (x?o). (After Prit/el, in Engler and Prantl. Nat. PJtaiiz.) 



end 

 ditto 



