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FLORA OF ARROCHAR MOUNTAINS, 123 
ASPLENIUM TRICHOMANEs, L, 
Common on walls and rocks in shady places at a low elevation. 
ASPLENIUM VIRIDE, Huds. 
In the “Clydesdale Flora” this fern is said to be “rare.” 
This remark applies only, however, to lowland districts ; for this 
is one of the commonest ferns on alpine rocks, in the shady 
crevices of which it takes the place of the more delicate 
A. Trichomanes. The latter becomes rare at about I,0oo feet 
altitude, from which point the present species is common upwards 
to a considerable height, ascending to 2,700 feet on Ben Ime. 
ASPLENIUM ADIANTUM-NIGRuM, L, 
This fern is apparently uncommon on the Arrochar hills, but 
may possibly have been overlooked. I have only found it on 
Ben Vorlich, at an altitude of 1,000 feet. 
ATHYRIUM FILIX-FOEMINA, Bernh. 
The beautiful lady fern is a common inhabitant of the woods 
and shady places on the hills, becoming scarcer, however, at high 
altitudes. Its limits have not been ascertained. 
CYSTOPTERIS FRAGILIS, Bernh. 
Common in rock-crevices, 
especially in alpine situations, In 
dark recesses amongst the roc 
ks, at about 2,500 feet altitude, this 
fern is one of the commonest species. It ascends to 3,000 feet 
on Ben Ime. 
ASPIDIUM LONCHITIS, Sw. 
Alpine.—Recorded in the « Clydesdale Flora” (App. I.) from 
Ben Vorlich, on which mountain I found it growing last year at 
1,800 feet altitude. This appears to be the only recorded station 
in this district, although the fern occurs on the neighbouring 
Argyllshire hills to the south and west. 
ASPIDIUM LOBATUM, Sw. 
Rock-crevices in the woods, and shady recesses of the hills. 
Ascends to 1,900 feet on Ben Vorlich. 
NEPHRODIUM Fittx-mas, Rich. 
Common throughout the low ground in woods, 
and amongst 
rocks, etc. Not common on the mountains. 
