282 



HALF HOURS IN THE GREEN LANES. 



animals, in which the larval condition of a higher 

 group resembles the adult state of a lower. 



Out on the Norfolk marshes we have frequently 



Fig. 214, 



sphioylossum vul<jat'tm. a, Portion of Fertile Spike enlarged. 



seen the ground covered for many scores of yards, 

 with the bright-green fronds of the Adder's Tongue 

 (Opliioglossumvulgatum, Fig. 214). You would hardly 



