-54- 



(The figures below the line I represent Funaria hygrometrica: those below 

 the line II, Physcomitrium lurbinatiim.) 



I. I, Outline of leaf; 2, deoperculate plants; 3. apex of leaf, showing costa 

 ending below apex; 4, a portion of the mouth of the capsule after the operculum has 

 fallen, showing annulus and peristome; 7. stoma from base of capsule. II. 8. 

 Apex of leaf, showing costa terminating below the leaf-apex; 9. spores; 10-13. 

 capsules in various stages; 14. a section of the mouth of capsule and operculum, 

 showing annulus and transversely elongated cells at the mouth of capsule. 



[Taken from Mrs. Britton's Observer articles, by permission.) 



stome. There are several species of Physcomitrium in the United 

 States, but P. turbinatum is by far the most frequent and will 

 be readily recognized from the figures. It is common in old fields. 



