230 



BOTANY 



A. 



B 



FIG. 193. funaria hygrometrica. A, ripe antheridium which has just discharged 

 the sperm-cells, B, (x 300). C, spermatozoids (X 1300). D, paraphysis (X 300). 

 E, male " flower" of Atrichum undulatum (x 6). 



