190 



BOTANY 



397. The archegones are elongated flask-shaped bodies 

 with a swelling base and a long, slender neck. At ma- 

 turity the neck has an open channel from its apex to the 



Fia. 106. — j4, several archegones at the apex of a Moss-stem; B, an archegone 

 more enlarged, showing germ-cell at b; C, apex of archegone at maturity; i), a 

 Moss-plant with young spore-fniit; E, the same with mature spore-fruit, show- 

 ing its stalk, s, spore-case, /, and the remains of the old archegone, c (the calyp- 

 tra); ■ P^ vertical section of the spore-case, showing structure; s, the spore-hear- 

 ing layer; d, the lid; Q, a ripe spore-case; H, spoi-e-case after the hd nas fallen 

 off, showing the teeth. All magnified. 



base, where there is a rounded germ-cell (Fig. 106). In 

 some mosses the antherids and archegones are intermixed 

 in the same " flower," but in other oases they occur upon 



