100 AMERICAN FERN JOURNAL 
tichoides, Athyrium americanum, Polystichum Lonchitis, 
Filix fragilis, Woodsia scopulina, and Equisetum arvense 
and E. variegatum. None of these, except perhaps the 
maidenhair, is confined to the zone. 
Arctic-Alpine Zone. Here belong all the slopes which 
lie above the last remnants of trees. There are a few low 
shrubs, chiefly willows, but most of the plants are small 
herbs, many of them with remarkably brilliant flowers. 
The vegetation is extremely interesting. A large num- 
ber of the species represented have a wide distribution 
in arctic and alpine regions of the Northern Hemisphere. 
The following Pteridophyta grow here: Botrychium Lun- 
aria, Asplenium viride, Cryptogramma Stelleri, Athyrium 
americanum, Lycopodium Selago, and Equisetum varie- 
gatum. All of these, except possibly Asplenium viride, 
are found in more or less abundance at lower altitudes. 
There seems to be a general belief among visitors to 
Glacier Park that few ferns are found in the region, but 
examination of the accompanying list will show that such 
an impression is an erroneous one. Only a few of the 
species, it is true, occur in great abundance, but the to- 
tal number is certainly large for an area of this size in the 
western United States. 
The list of species here presented is based upon a col- 
lection made by the writer during the summer of 1919. 
Nearly ten weeks were spent in the Park, under the dir- 
ection of the National Park Service, for the purpose of 
obtaining data concerning the flora. During this time 
all the portions of the Park usually seen by tourists were 
visited, and a collection of approximately 4,000 numbers 
was obtained, representing over 900 species of flowering 
plants and vascular cryptogams. 
The ferns of Montana have been listed by Fitzpatrick’. 
Thirty-seven species were reported, a smaller number 
1¥Fern Bull. 12: 97-101. 1904. 
