Mosses and Lichens 



The archegonia and antheridia are developed among the 

 leaves of the moss-plant. As has been stated before, they may 

 be on separate plants (dioicous, of two households), or they may 



.Pedicel 



ciu.8tcr. 



Climacium dendroides. Sporogo- 

 nium. (a) Spore-case with lid. 



(b) Columella attached to lid. 



(c) Spore-case with lid lifted to 

 show teeth, (d) Spore-case with 

 veil. (See page 49.) 



Funaria hygr ometrica . 

 Autoicous inflorescence. 



both be separated on different parts of one plant (autoicous), or 

 side by side on the same plant (paroicous) or on the same part 

 of the same plant (synoicous) Monoicous one household is a 

 general term including the last three forms. 



48 



