Flora of Scottish Lakes. 
91 
1909-10.] 
Dicranella squarrosa, Schp. IV. Often abundant on the wet boggy 
shores of hill lochs. D. heteromalla, Schp., is also frequent, but on 
drier ground. 
c!5 
Dicranum fuscescens, Turn. IV. Common on rocks of the shores of 
hill lochs. 
Dicranum Scottianum, Turn. IV. Habitat as above, but less common. 
FISSIDENTACEiE. 
Fissidens adiantoides, Hedw. “ I.,” IV. Often abundant in wet places 
on rocky shores. 
grimmiaceh:. 
Grimmia apocarpa, Hedw. IV., VI. Common on the dry parts of 
littoral rocks. 
Grimmia apocarpa, Hedw., var. rivularis, Web. and Mohr. IV., VI. 
Frequently abundant on wet and submersed rocks, occasionally 
down to 5 or 6 feet deep. In the other Areas it is scarce at 
the lochs. 
Rhacomitrium lanuginosum, Brid. IV. Often a conspicuous object 
upon rocks of the shores. 
Rhacomitrium heterostichum, Brid. IV. Various forms of it are 
common in similar situations to the last. 
Rhacomitrium aciculare, Brid. “ I.,” IV., V., VII. Frequent upon wet 
and submersed rocks, but sometimes only near the embouchure of a 
burn. 
Rhacomitrium protensum, Braun. IV. Sometimes abundant on wet 
rocks. When luxuriant, as at Loch Dungeon, it has a very pleasing 
appearance. 
Hedwigia ciliata, Elirh. IV. The type and the var. leucophaea, B. and 
S., frequently cover the syenite rocks that abound upon the shores, 
or crop out of the water as little islands. 
tortulaceh:. 
Trichostomum tortuosum, Dixon. IV. Occasionally abundant on the 
littoral rocks of hill lochs. 
orthotrichaceh:. 
Orthotrichum rupestre, Schleich. IV., VI. A common moss on rocks 
about the shores of lochs in hilly districts. 
