Cord Mosses 



grounds, or even on the crumbling mortar of old 

 stone houses and neglected walls. 



Name. The specific name hygrometrica is a com- 

 pound of two Greek words, 7/009, water, and 

 measuring, and refers to the habit the 



Spores. 



(fc) Branching protonema with a moss plant starting at (k); 

 (w) rhizoid; (A) a primary filament of protonema. 



Ftinaria hygrometrica. 



Germinating spores. 

 (v) Vacuole; (if) rhizoid 

 ) spore wall. 



F. hygrometrica. 



F. hygrometrica. Fe- 

 male flower in vertical 

 section, (a) archegon- 

 ium; (b) leaf. 



211 



F. hygrometrica. 

 Plant with imma- 

 ture spore -case still 

 in its veil. 



