SPHENOLOBUS 171 
about 800 ft. alt. in Kirkcudbright to 1900 ft. alt. in Argyll. 
It usually but not always grows directly on the rock, in 
small yellow compact but brittle tufts or in thin patches. 
Male plants are common ; the female has not been seen. 
S.W. Lowianps.— Kirkcudbright: Blackcraig, New 
Galloway, 800 ft. alt., 1887 (M‘And.). 
W. HicHLtanps.— Argyll: Ravine nr. Loch Awe Station, 
on boulders, alt. ca. 200 ft., 1908 (Maev.) ; Coire Creachainn, 
Ben Cruachan, on boulders in a few places from 1400-1900 
ft. alt. (Macv.); Ben Fhada, Glencoe (West); Balliveolan 
Burn, L. Crerar, forma (Kenn.). W. Inverness: Resipol, 
Sunart, on boulders, alt. ca. 200 ft., 1899 (Macy. and Pearson). 
INNER HEBRIDES.— Mid Inner Hebrides: Allt na 
Searmoin, Salen (Kenn.). 
SPHENOLOBUS EXSECTUS (Schmid.) Steph. 
Jung. exsectus Schmid. 
This is a much rarer species than S. exsecteeformis, and 
seems to be confined to the west side of the country. It is 
not known to have any special western distribution on the 
Continent, but as it always occurs with us in moist, shaded 
localities, our wetter western districts afford the most suit- 
able localities for it. It is nearly always found on decay- 
ing logs and stumps, very rarely on moss-covered rocks, 
and only in the low ground. Perianths have not been 
seen. 
W. HIGHLANDS. — Dumbarton: Tarbert, foot of tree 
(Macv.). W. Stirling: Inversnaid, on stump (Macv.). 
Argyll: Nr. Loch Awe Station, on stump (Macv.).; Glen 
a Chaolis, Ballachulish, on a log (Macv.). W. Inverness: 
Resipol, Sunart, on a log in ravine, 1901 (Macv.); do., on 
moss-covered rocks, 1909 (W. E. Nicholson); Coire Dheirg, 
Glen Nevis, on log (Macv.). 
SPHENOLOBUS EXSECT#FORMIS (Breidl.) Steph. 
Lophozia exsecteformis Breidl. Ms. 
Widely distributed from Kirkcudbright to Shetland. It 
is rare in the Lowlands, especially on the east side, and 
is confined to the subalpine region. It is uncommon in 
