PHANEROGAMS AND FERNS OF SOUTH ARDGOIL. 23 
feet on Carn Glas, and at 1100 feet on Clach Bheinn, both with 
western exposure, under overhanging rocks. 
Bog-myrtle (Myrica Gale, Linn.)—Only occurs from sea- 
level up about 200 feet, especially in flattish hollows where 
water remains. 
Small Bur-reed (Sparganium minimum, Fries.)-—In Corran 
Lochan. 
Grass-wrack (Zostera marina, var. angustifolia, Linn.)—At 
Lochgoilhead. 
(Potamogeton natans, Linn.)—In Corran 
Floating Pontes Lochan. 
(Potamogeton natans, var. oblongus, Viv.) 
—Oceasionally in wet places and ditches at various places up 
to 800 feet. 
Marsh Arrow-grass (Zriglochin palustre, Linn.)—Very occa- 
sionally in wet places up to 1100 feet. 
Sea Arrow-grass (Z'riglochin maritimum, Linn.)—On the shore. 
Heart-leaved Tway-blade (Listera cordata, Br.)—At 700 to 
800 feet, among sphagnum and wet places, round the Steeple 
and Tom nan Gamhna. 
Spotted Orchid (Orchis maculata, Linn.)—Occurs in great 
plenty on the lower slopes in wet grassy places, where it is 
not over-reached by other plants; also found with diminished 
frequency up to 1500 feet in sheltered situations. 
Butterfly Orchid (Habenaria bifolia, var. chlorantha, Bab.)— 
Occurs in considerable quantity in the fields at the head of 
the loch and not elsewhere, the type form being absent. 
Fragrant Orchid (Habenaria Conopsea, Linn.)—Not common. 
Iris (Zris Pseudacorus, Linn.)—Notcommon,and notonthehills. 
Wild Hyacinth (Scilla nutans, Sm.)—Common in the woods 
and in shady moist places at low levels ; occasionally higher, as 
a strong development in a rock hollow near the top of the 
Steeple at 1200 feet. 
Garlic (Allium ursinum, Linn.)—Thinly distributed through 
the woods at low levels, nowhere strongly developed, in some 
parts absent and in others common. 
Bog Asphodel (Narthectum ossifragum, Huds.)—Common 
over Tom nan Gamhna up to moderate levels; probably common 
elsewhere. 
Common Rush (Juncus communis, Mey.)—Frequent in places 
where the subsoil is wet ; up to 1300 feet. 
