LIVERWORTS. 



'47 



Fig. 127. 

 M-archantia plant with cupules and gemmae ; rhizoids below. 



Synopsis. 



Marchantia 

 (A liver- 

 wort). 



Plant body ; flattened, ribbon-like, green, with rhizoids on 

 under surface ; grows in moist situations. 



f 1st. Plant with buds in little cups. 



The buds escape and propagate the plant. 

 2d. Male plants. 



Antheridial receptacle. 

 Vegetative part. Antheridial cavities. 



Three forms. \ Antheridium. 



Spermatozoids. 

 3d. Female plants. 



Archegonial receptacle. 

 Archegonium. 



Egg. 



/ Capsule wall. 

 Fruit capsule. \ Spores. 

 ( Elaters. 



Short stalk attaching fruit body to archego- 

 nial receptacle. 



Fruiting part. 



