186 BOTANY. 
gonium, or archegone. It bears some resemblance to the 
corresponding organ in the Stoneworts (p. 181), and, like 
Fria. 108.—Archegones of the Common Liverwort i various stages of develop- 
ment, I to V: e, germ-cell. VI, fertilized germ-cell, f, divided once. VII and 
VIII, further development of germ-cell; pp, the perianth in various stages, IX, 
faleioon now developed into a spore-fruit, /, filled with spores and elaters; a, 
he greatly distended wall of the archegone. X, immature and mature elaters 
and spores. All magnified. 
it, has an internal cell (the germ-cell) to be fertilized, sur- 
rounded by an envelope of protective cells (Fig. 103, -V). 
