44 CYCLOCARPINEE [LICHINA 
bury Bay, Devon; Weymouth, Dorset; Ventnor, I. of Wight; Tenby 
and St. Bride’s Bay, Pembrokeshire; near Peel, Isle of Man; Conway 
Bay, Carnarvonshire; St. Bees, Cumberland; Old Cambus, Berwick- - 
shire; near Edinburgh; shores of Loch Linnhe, coasts of Islay, 
near Portnahaven and I. of Mull, Argyll; near Castlefreke, Cork ; 
Renoyle, Connemara, Galway; Dugort Bay, Achill, Mayo; near 
Dunree, Donegal; Larne, Antrim. 
2. L. confinis Ag. Sp. Alg. i. p. 105 (1823).—Thallus of 
minute erect or somewhat decumbent rounded fronds, densely 
crespitose, olive- or blackish-brown. Apothecia minute, terminal, 
slightly open or irregularly dehiscent ; spores large, 22-29 p 
long, 11-16 pw thick.—Grey. Fl. Edin. p. 286 & Scott. Crypt. iv. 
t. 221 ; Hook. in Sm. Engl. Fl. v. p. 270; Tayl. in Mackay FI. 
Hib. ii. p. 170; Mudd Man. p. 34; Leight. in Ann. Mag. Nat. 
Hist. ser. 3, xvi. ‘:p. 12, t. 4, fig. 22 & Lich. FI. p. 13; ed. 3, 
p. 12; Cromb., Lich. Brit. p. 2. Lichen confinis Ach. Lich. Suec. 
Prodr. p. 208 (1798); Engl. Bot. t. 2575. Fucus pygmeus var. 
minor Turn. Fuci p. 16, t. 204, figs. i-o (1819). Lichina pumila 
S. F. Gray Nat. Arr. i. p. 388 (1821). Lichina pygmea var. 
minor Hook. FI. Scot. ii. p. 96 (1821). 
Exsice. Chalm. Alg. Scot. n. 41; Greville Alg. Brit. n. 4 ; 
Johns. n. 3; Larbal. Lich. Hb. n. 281 & Lich. Cesar. n. 1; 
Wyatt Suppl. n. 202. 
Altogether smaller than the preceding species; the branches are 
more slender and round and the fruits smaller. It grows higher up on 
the beach and is frequently sterile. 
Hab. On maritime intertidal rocks or those which are only washed 
by the spray of the sea.—Distr. General and abundant on rocky 
coasts.—B. M. Jersey, Alderney and Guernsey; Scilly Isles; White- 
sand Bay, Lands End, Mounts Bay, near Anthony, Penzance and 
Gerrans, Cornwall; Brocastle and Southern Down, Glamorganshire ; 
Tenby, Pembrokeshire; Barmouth, Merioneth# Puffin Island, Angle- 
sea, Port Soderick, Isle of Man; Morecambe Bay, Westmoreland ; 
St. Bees, Cumberland; near Caroline Park, Edinburgh ; coast of 
Kincardineshire ; Island of Mull, Islay, near Portnahaven and Loch 
Creran, Argyll; Kenmare, Kerry; Louisburgh and Achill Sound Bay, 
Mayo; Malahide, Dublin; Ballycastle, Antrim. 
22. PTERYGIUM Nyl. in Bull. Soc. Bot. i. p. 328 (1854). 
Lichiniza Nyl. in Flora lxiv. p. 6 (1881); Cromb. Monogr, i. 
p. 33. 
Thallus scarcely gelatinous when moist, crustaceous, granular 
or granular-areolate, or minutely squamulose and usually some- 
what lobed at the circumference. Algal cells Rivularia, in rows 
within the thallus, the hyphe multiseptate and linear-cellular. 
Apothecia sessile, without a thalline margin, the proper margin 
cellular ; paraphyses septate, unbranched ; spores ellipsoid or 
ovate, colourless, 1—3-septate. Spermogones with septate branched 
sterigmata and pleurogenous spermatia. 
