Cord Mosses 



F. hygromctrica. Plant with two 

 sporophytes. 



Tip of female shoot with 

 archegonia, two containing 

 sporogoniums half -grown. The 

 one on the left has severed 

 the upper part of the arche- 

 gonium wall, calyptra, from 

 the base. 



Annulus. Com- 

 pound, rolling back 

 as the lid falls. 



Teeth (p eris - 

 tome). The outer 

 teeth sixteen, ob- 

 liquely curving to 

 the right, with hor- 

 izontal prominent 

 purple cross-bars . F - l w et a - Breath - 



ing pore from the spore- 



on the inner face case. 

 (traheculate) : pale and g-ranular 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. hygromclrica. Vertical section through a male 

 flower: Ca) young antheridium in vertical section (b) old 

 antheridium in vertical section; (c) paraphysis; (d) vein 

 of leaf in section: (e) blade of leaf in section. 



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