THE TRUE MOSSES 



521 



Fig. 341, V. — Umbrella-liverwort. Archegoiiiuni (at the left) containing 

 an egg-cell (e) ; and (at the right) the same, later, containing a young 

 sporophyte (sp). »;»- The neck (n) of the archegonium, and its base (v), 

 are shown in both; as also the protective curtain (p). (Atkinson.) 



// J'T 



Fig. 342. — Urabrella-liverwort. Thallu^ (;) showing on the top seven 

 brood-cups containing minute brood-bodies; and below numerous 

 pseudo-roots. (Atkinson.) 



