146 



BOTANY. 



vessels, and within them minute green bodies. When these 

 green buds free themselves from the cups they come to lie on 

 one side and develop into new plants. It does not matter on 



Fig. 126. 



Elater and spore of marchantia. j/, spore ; rnc, mother cell of sporesj 



showing partly formed spores. 



what side they lie, for whichever side it is, that will develop 

 into the lower side of the thallus, and will form rhizoids, while 

 the upper surface will develop the stomates. 



