12 PHANEROGAMS AND FERNS OF SOUTH ARDGOIL. 
Tutsan (Hypericum Androsemum, Linn.)—Frequently by 
the banks of streams up to 450 feet. 
Trailing St. John’s Wort (Hypericum humifusum, Linn.)— 
Observed only by the roadsides sparingly, 
Shining St. John’s Wort (Hypericum pulchrum, Linn.)— 
This is by far the commonest St. John’s Wort. Occurs 
along the shore banks, by the roadsides, in the woods on 
banks, and on rocky ledges by streams up to 1600 feet on Ben 
Reithe. 
Purging Flax (Linum catharticum, Linn.)—Common where 
it gets some shelter in ground not wet, as in grass associations, 
among bracken, and on the drier slopes of the allts up to 
700 feet. 
Wood Crane’s Bill (Geranium sylvaticum, Linn.) — This 
adorns the drier banks and ledges of the allts from low levels 
up to 1750 feet, but is absent from the woods and mountain 
rock hollows. 
Meadow Crane’s Bill (Geranium pratense, Linn. )—Plentiful 
by roadsides at Lochgoilhead. 
Dove’s-foot Crane’s Bill (Geranium molle, Linn.)—See Road- 
sides (p. 3). 
Herb Robert (Geranium Robertianum, Linn.)—It seems to 
require shelter and avoids wet. This is the common geranium, 
It is one of the dominants in the vegetation sheltered by the 
shore bank, and is frequently met with at the retreating base 
of rocks up to 1100 feet on Clach Bheinn. 
Wood Sorrel (Oxalis Acetosella, Linn.)—This is one of the 
most common plants from sea-level up to 2000 feet. It finds 
shade under banks, trees, bracken and rocks, and abounds 
where the ground is dry or moderately moist. It forms com- 
panionships with many different plants according to elevation. 
Purple Clover (Trifolium pratense, Linn. )—Somewhat com- 
mon by roadsides and in the fields, but only occasionally on 
the hills up to 600 feet. 
White Clover (Trifolium repens, Linn.)—Common by the 
roads and in fields, and frequent on the banks of the allts up 
to 900 feet. 
Hop Trefoil (Trifolium procumbens, Linn.), (Trifolium minus, 
Reth.)—By the roadside ; neither form is common. 
Bird’s-foot Trefoil (Lotus corniculatus, Linn.)—Common on 
banks by the shore, the roadside, and on dry banks in rocky 
