Flora of Scottish Lakes. 
123 
1909-10.] 
Potamogeton obtusifolius, Alisma Plantago, Callitriche stagnalis, Ranunculus 
Lenormandi, Scirpus sylvaticus, and Thalictrum flexuosum. — J. M‘A.] The 
Bryophytes are scarce or altogether absent on many parts of the shore, 
excepting in boggy places, where the usual forms, such as species of 
Sphagnum, etc., abound. The upper portion of the loch is more favourable 
for the growth of these plants, but even there they do not form a conspicuous 
feature of the shore. The following were observed in fair abundance : — 
Grimmia apocarpa and its var. rivularis, Rhacomitrium aciculare, Bryum 
alpinum, Amblystegium filicinum, Bartramia ithyphylla, Camptothecium 
sericeum, Hypnum cupressiforme, Neckera crispa, Philonotis fontana, Blasia 
pusilla, Jungermannia bantriensis, Pellia epiphylla, etc. [Bryum filiforme, 
Hypnum sarmentosum, H. Patientise, Cryphsea heteromalla, Grimmia 
subsquarrosa, G. Hartmani, and Orthotrichum rivulare grow on stones by 
the shore, whilst several species of Sphagnum are abundant. Leskea 
polycarpa, Helicodontium pulvinatum, and Scleropodium csespitosum 
flourish on tree trunks in Kenmure Holms. — J. M‘A.] 
[Near the embouchure of the Shirmers Burn, which is about 2 miles 
from the head of Loch Ken, on the east side, there is a bank in the loch over 
which the water is quite shallow. On this raised portion of the bottom 
submersed plants can be easily seen when sailing over it in a boat. Between 
Ken Bridge and Loch Ken there is a great extent of alluvial ground upon 
either side of the River Ken, yielding a large quantity of excellent meadow 
hay, and that without manure, to the people of New Galloway and the 
farmers on the Kenmure estate. In time of flood all this extensive flat is 
covered with water by the overflowing of the River Ken and by the 
damming hack of the water of Loch Ken, caused by the peculiar way in 
which the River Dee enters Loch Ken immediately below the railway 
viaduct. This river enters the loch at such an angle that its powerful 
current is directed against the more gentle downward flow of the loch, and 
this causes the damming hack of the water of Loch Ken as far north as the 
Kenmure Holms, which are thus enriched by a valuable deposit of mud every 
time that a flood occurs. This accounts for the luxuriant vegetation at the 
head of the loch referred to on p. 121. — J. M‘A.] 
Barscobe Loch is about 3 miles N.E. of New Galloway. It is about 
J mile long, and is situated in the midst of a treeless, hilly grass moor, 
which everywhere, excepting where bog occurs, meets the water, so that 
there is no shore. The water is quite clear and scarcely peaty. On 
the east side there are thin beds of Carex rostrata, and on the west side 
associations of Scirpus lacustris and Carex rostrata. On grassy bogs which 
occur here and there at the margin the usual marsh plants are found. The 
