1904 - 5 .] 
Flora of Scottish Lakes. 
1013 
Carex rostrata, the latter also at other places about the loch, 
particularly near the boat-houses at the east end, being under the 
lee of a point projecting into the loch. Beyond those enumerated 
the following plants occur here : — Ranunculus Flammula, Caltha 
palustris, Cardamine pratensis, Spiraea Ulmaria, Comarum 
palustre, Myriophyllum alterniflorum, Callitriche hamulata, 
Hydrocotyle vulgaris, Lobelia Dortmanna, Menyanth.es trifoliata, 
Littorella lacustris, Pedicularis palustris, Polygonum amphibium, 
Juncus fluitans, Triglochin palustre, Sparganium natans, 
Potamogeton natans, P. lucens, P. praelongus, Heleocharis 
palustris, Eriophorum polystachion, Carex flava, C. aquatilis, 
Glyceria fluitans, Isoetes lacustris, Nitella opaca, Fontinalis 
antipyretica, Scapania undulata, Nardia emarginata, Conferva 
fontinalis, Zygnema Yaucherii, Batrachospermum moniliforme. 
An Dubh Lochan, near Loch Ruthven, is a small pool entirely 
surrounded with vegetation. Owing to the wide swamp, the 
water is almost unapproachable. The plants are those quite usual 
to the district. 
Loch a Choire, a little north of Loch Ruthven, is 865 feet above 
sea level. The scanty vegetation is quite ordinary to the district 
and requires no special remark. The south-east shore is flat and 
mostly sandy, merging gradually into moorland; beyond a few 
sandy bays, the shores are otherwise rocky and stony. The water 
is not very peaty. Abruptly from its north-west shore a consider- 
able hill rises, the upper portion of which ends in a bold, perpen- 
dicular escarpment. 
Loch Dunmaglass is partially an artificial loch with the dam at 
the north-east end. Meall Nochd rises almost perpendicularly from 
its western shore, and the flank of Beinn Dubh-choire on the east 
is also steep. Being closed in by precipitous and bare rocky 
mountains, having but little peat, its water is clear. The scenery 
is very wild. It is remarkable for being the only loch in the 
Ness area in which I found Hippuris vulgaris, but only the 
submerged shoots. A flat, swampy portion at the north-east *end 
(fig. 82) is covered with Myrica, Calluna, and dwarf birch, with 
Carex at the margin. I was informed that previous to the making 
of the dam this place was quite dry, so that an example is here 
furnished of the conversion of moorland into swamp. The other 
