26 



MOSSES WITH A HAND-LENS 



The capsules of the Catharineas are in good condition from 

 late autumn to early spring. 



KEY. 



1. Capsule 4: i; leaves not at all wavy on the margins when 



moist, midrib narrow crispa. 



Capsule 6-8: i ; leaf margins wavy when moist 2. 



2. Midrib constituting 1-8 i-io of leaf undulata. 



Midrib constituting 1-3 1-4 of leaf angustata. 



FIGURE 4. 



a, a, a. Catharinea undulata, wet and dry, X 2, and capsule X 5- b. 

 Leaf X 10. c, c. Capsule and leaf of C. angustata X 5 and 10, re- 

 spectively. 



C. UNDULATA (L.) W. & M., Wavy Catharinea. Leaves 

 lingulate, strongly undulate when moist and strongly spined at 

 the back. Occasionally specimens are found with two or more 

 setse from a single plant. 



