284 



FOtnSDATIONS OF BOTAlTir 



any of the smaller genera,^ and 

 •work out what he can in regard 

 to their minute anatomy. 



Fig. 208. —The Antheridinm 

 ' of a Moss (FwnaHa) and its 



Contents. 

 a, antheridium ; b, escaping 



antherozolds, x 350; c, asin- 



gle antherozoid of another 



moss, X 800. 



Fig. 209. — Portions of Fertile Plant 

 of a Moss (Fimaria). 



A, longitudinal section of summit of 

 plant, X 100 ; a, archegonia ; I, 

 leaves ; B, an archegoniam, x 550 ; 

 ti, enlarged ventral portion •with 

 central cell ; n^ neck ; m, mouth. 



346. Sporophytes. — That part of the reproductive apparatus of 

 a common moss which is most apparent at a glance is the sporophyte 

 or spore-capsule (Fig. 206). This is covered, until it reaches maturity, 

 with a hood which is easily detached. Remove the hood from one 



1 As Mnium or Bryum. 



