THE TRUE MOSSES 



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Fig. 355. — Cord-moss. .1, female gametophyte bearing pseudo-leaves (g) 

 and a calyptra (c) still protecting a young sporophyte, J. 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, 

 I. C, spore-case or capsule, enlarged and cut vertically to show the 

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

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

 columella (c, c), air spaces (h), and the layer of spores (s), !. (Sachs.) 



Fig. 356. — Cord-moss. A, 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. (Baillon.) — Common 

 on waste or barren soil. 



