F 
THE LICHENS OF PERTHSHIRE. 
BEING A PRELIMINARY LIST OF SPECIES FOUND WITHIN THE 
THREE VICE-COUNTIES. 
By J. A. WHELDON, F.LS., & ALBERT WILSON, F.LS. 
on eee 
INTRODUCTION. 
In publishing the following account of the lichens of Perth- 
shire we a e that it can hardly claim to be more than 
ou fe) framework for future work shire is a 
large county, very diversified and mountainous in character, with 
large tracts quite uninhabited and far rom or 
phanerogams and vascular ealonieeee are fairly well known, 
v here, 
ance, the workers in recent tres have bee mparatively few. 
Old records are fairly numerous, but the foeat ties are not very 
well distributed over the county, the greater part, as would be 
expected, being in the rich region of Breadalbane, about Killin 
and Ben Lawers, and in the districts round Perth and Blair 
Atholl. The parts of the county which are difficult of access 
appear to have been almost entirely neglected. Our own work 
in the county ag. back only ten Lec but in that period we 
ave made many excursions and colle a large amount of 
material for examination, besides shaking | numerous notes in the 
field. The lichenologist, in making his prenerot is subject 
to limitations not felt by ties student of phanerogams, or even 
specimens with hammer and chisel. Moreover, some s 
JouRNAL OF Borany, JAN., 1915. [SupeLeMent.] 
