PELLIA. 



327 



About July the division of the spore mother-cells 

 may be seen each mother-cell becomes deeply four-lobed 

 when the nucleus divides, one of the four daughter nuclei 

 passing into each lobe, which is then separated off to form 





Figs. 75, 76. PELLIA. Two stages in the Dehiscence of the Capsule and the 

 Dispersal of the Spores. 



a spore ; by November the spores have separated from 

 each other, and at once begin to germinate, while the 

 elaters and capsule-wall soon show their characteristic 

 thickenings, laid down at first as cellulose bands at first 

 colourless but later turning brown. 



