— 5 — 
Plate II. Pogonatum urnigerum. 
up around it, that it gives it that appearance (Fig. 4.) : and so the process goes 
on, until finally the calyptra is turned completely inside out (Fig. 5.). It is 
remarkable how long these frail things remain in this last position. I kept 
some of the plants moist four or five days, and even handled them some- 
what roughly, before the calyptras fell off. When dried, they fall immedi- 
ately. Washington, D. C. 
NOTES ON VERMONT MOSSES. 
A. J. Grout. 
I. Recent Additions to the List of Vermont Mosses. 
The following list of species new to Vermont is based mostly on my col- 
lections made during the summers of 1902 and 1903. A few of the addi- 
tions are specimens that have been some time in my herbarium but which 
have only recently been determined. A critical study of a portion of Frost’s 
collection, while preparing Part II of my “ Mosses with Hand-Lens and 
Microscope,” resulted in two or three finds, and doubtless there are more to 
be made when the whole collection shall be carefully studied. 
This is the third additional list since the original list was published in 
1898. The second addition was published in Rhodora for Sept. 1902. I am 
