Cord Mosses 



F. hygrometrica. Plant with two 

 sporophytes. 



/Innulus. Com- 

 pound, rolling back 

 as the lid falls. 



Teeth (peris- 

 tome). The outer 

 teeth sixteen, ob- 

 liquely curving to 

 the right, with hor- 

 izontal prominent 

 purple cross - bars 

 on the inner face 

 (trabeculate) : pale and granular on the 

 outer face, connected at the apex by 

 a small disk with mesh-like veins 

 (reticulated); the inner teeth sixteen, 

 lance-like or more or less rudimentary, 

 opposite to the outer teeth and adher- 

 ing at the base, yellowish with a line 



F. hygrometrica. Breath- 

 ing pore from the spore- 

 case. 



Tip of female shoot with 

 archegonia, two containing 

 sporogoniums half -grown. The 

 one on the left has severed F. hygrometrica. Vertical section through a male 

 the upper part of the arche- flower: (o) young antheridium in vertical section . (6) old 

 gonium wall, calyptra, from antheridium in vertical section; (c) paraphysis; (d) vein 

 the base. of leaf in section; (<?) blade of leaf in section. 



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