Fig. 306. A common club-mops (Lycopodium davahnn): 1, the whole plant, ^howintr 

 horizontal stem j^ivin*;; rise to roots and to erect branches bearini; stroliili; j, :i 

 6inL,"le sporophyll -with its sporangium; J, spores, much magnified. — After Wus- 



9IDLO. 



