Mosses and Lichens 



Pedicel. Long and soft. 



Lid (operculum). Small, convex, with a red border. 

 Teeth (peristome). None. 

 Spores. Minute, maturing in the spring. 

 Species. But one known. 



Distribution. It has been found in northern and central Europe 

 and in New York and the White Mountains. 



THE QUARTETTE MOSS 

 Genus TETRAPLODON, Bruch & Schimp. 



The plants of the Genus Tetraplodon are perennial, growing 

 in densely crowded cushions. They closely resemble the plants 





T. mnioides. Growing on porcupine bones. 



tfffifB 



7". mnioides. Leaf apex. 



Empty 

 spore- 

 case. 



Mature 



of the genus Splaclmum, but differ 

 principally in that the enlarged part 

 (apophysis) of the pedicel under 

 the spore-case is not inflated and 

 is of the same colour and consis- 

 tency as the spore-case. The plants 

 are peculiar in their choice of hab- 

 itat, being invariably found on ani- 

 mal substances. Tetraplodon an- 

 gustatus is said to have been found 

 growing on an old stocking near double 

 202 



T. mnioides. Per- 



istome 



^ 



