188 THE -FRESH-WATER LOCHS OF SCOTLAND 
it from a greater depth than 10 feet. In V. and VII. it is 
less common than elsewhere. 
Fontinalis squamosa, L., IV., VI. Sometimes plentiful, but not 
a common moss in the lochs. 
HOOKERIACE^ 
Pterygophyllum lucens, Brid.^ IV. Abundant about the wet shores 
of the hill lochs, mostly on the soil. 
LEUCODONTACE^ 
Pterogonium gracile, Sivartz, IV. On shore rocks; frequent and 
abundant at lochs amongst the hills. 
LESKEACE^ 
Heterocladium heteropterum, B. *S\, IV. This delicate species 
is seldom found at the lochs. It was, however, very abundant 
as a submersed aquatic at Loch Grennoch, even to a depth of 
10 feet. 
HYPNACE/E 
Climacium dendroides, Weh. Mohr, V., VII. Occasionally 
abundant on boggy shores. 
Hyocomium flagellare, B. S.^ IV. Frequent on shore rocks. 
Brachythecium rivulare, B. c^-. *S'., I., IV., VI., VII. On dry and 
submersed rocks, frequent. 
• Eurhynchium rusciforme, Milde, L, IV. In habitats similar to 
the last. It is also common in the other Areas, but is scarce 
at the lochs. At the south end of Loch Doon it was very 
abundant at a depth of 3 to 5 feet, occurring there with 
Fontinalis antipyretica. 
Hypnum riparium, Z>., VII. Not common at lochs, but it is 
abundant on stones at Burntisland Reservoir. 
Hypnum stellatum, Schreh.^ IV., V., VI., VII. Often abundant on 
boggy shores. 
Hypnum fluitans, L., I., IV., VI., VII. In Area I. it is rather 
scarce about the shores of lowland lochs. In the other Areas 
it is common about the hill lochs. 
Hypnum uncinatum, Hedzo., L, IV. On rocks of the shores of hill 
lochs. 
Hypnum revolvens, Szmrtz, IV., VII. On wet shores, chiefly of 
the hill lochs. 
Hypnum commutatum, Hediv.^ IV., VII. Remarks similar to the 
last. 
Hypnum falcatum, Brid., I., IV., VII. In habitats similar to the 
two preceding species. 
