PALEOBOTANY BERRY. 



323 



sporangia are borne on or in the axils of scarcely modified foliage 

 leaves more or less distinctly aggregated into strobili. 



Fossil species of Lycopodium or Lycopodites, which is often pre- 

 ferred as a less definite name, are especially liable to be confused 

 with the foliage of some of the Lepidodendrales or Coniferophytes, 

 unless represented by fructifications.. Among the rather numerous 

 forms referred to Lycopodites and scarcely different from the exist- 



Fi-5. ll.— Diagram showing the geologic history and phytogeny of the Lepidophyta. 



ing forms may be mentioned L. Stockii, Kidston from the Lower 

 Carboniferous, L. Guibieri, Gopp., and L. Reidii Penhallow from 

 the Devonian; L. mo/yrophyllus Goldenberg: and L. Zeilleri, Halle 

 from the Upper Carboniferous; L. lanceolatus (Brodie) and L. 

 Scanicus Xath. from the Upper Triassic; L. falcatus, L. and H., 

 L. tenerrimus Heer, L. victorlae Seward from the Jurassic; and 

 L. cretaceum Berry from the Upper Cretaceous. While Lycopodium- 



