THE l^RUE MOSSES 



529 



Fig. 355. — Cord-moss. .1, female gametortyte bearing pseudo-leaves (ff) 

 and a calyptra (c) still protecting a young sporophyte, {. B, same, at 

 a later stage when the calyptra (c) has been carried up as a hood on top 

 of the spore-case (/) by the elongation of the stalk (s) of the sporophyte, 

 }. C, spore-case^ or cap.sule, enlarged and cut vertically to show the 

 lid (d), a connecting row of cells, the annulus (a), a row of projections, 

 the peristome (p) covering the mouth, a central mass of cells, the 

 columella (c, e). air spaces ()i), and the layer of spores (s), '. (Sachs.) 



Fig. .356. — Cord-moss. ^4, spore-case, showing peristome and twisted stalk. 

 B, cells of the annulus. C, breathing-pores (stomata). D, teeth of the 

 peristome. E, spore-case cut vertically, F, young spore-case still 

 covered by the calyptra. Variously magnified. (BaiUon.) — Common 

 on waste or barren soil. 



