CRYPTOGAMIA. ALGiE. Lichen. 
57 
coloured, roughened with brown elevated points. Targets scattered over 
the surface, black, very small, pierced with a pore down to the leaf, with 
a broad flat edge. Linn. Flat, extending every way from a central root. 
Deeply divided into lobes; irregular and curled at the edge. Hedwig. 
Root stony. Leaves not more than an inch long; loose, broad, concave, 
segments fringed, smooth on both sides, not shining, when wet, pellucid 
like horn, dull grey green. Dill. Targets sessile, or on pedicles, convex, 
often marked with concentric circular lines. Jacq. 
(Pellucid Perforated Lichen. L. crinitus. Lightf. Gyrophora cylin - 
drica. Achar. Hook. E.) On the rocks called Llyn Llydaw, and near 
Llyn Cwm y Ffynnon las ; also on the tops of the mountains from Cwm 
Brwynog, towards Ardhu, near Llanberris; and on the highest rocks of 
Berwyn mountain, Derbyshire. Dill. On rocks in the mountainous parts 
of Dartmoor, Devonshire, rare. Mr. Newberry. Summit of Carnedd 
Llewelyn. Mr. Griffith. (Common in the Highlands. Mr. Brown. E.) 
P. Jan.—Dec. 
Var. 2. Foliage complicated. 
Specimen from J. W. Griffith, Esq. 
L. polyphyl'lus. Tubercles black, very minute; foliage greenish 
black, composed of several leaves, even on both sides, scolloped. 
(. E.Bot . 1282. E.)— Dill. 30. 129. 
Leaves growing from a single stony root, lying in a circle, piled, inner ones 
the smallest, thin, smooth on both sides, neatly scolloped, russet brown 
above, darker underneath. Dill. 
(Many-leaved Smooth Lichen. Gyrophora glabra, fi polyphylla. Hook. 
E.) On rocks and stones. On Snowdon, at Llyn Llydaw rocks, about 
Llyn Cwm y Ffynnon las, and on the tops of the mountain Cwm Brwynog 
towards Ardhu, near Llanberris, Carnarvonshire. Dill. Rocks on the 
Highland mountains. Lightf. (In fructification near Newcastle, Nor¬ 
thumberland, by Mr. Thornhill. E. Bot. This rare Lichen has also been 
found by Mr. Winch on Cheviot; and in fructification on rocks at the 
foot of Hunters]ey Peak, between West Crow Park and Hishope, Dur¬ 
ham ; also on walls at Healy Field and Conset, and on rocks and stones 
in the neighbourhood of Egleston. E.) 
L. minia'tus. Tubercles red, small, globular, immersed in the sub¬ 
stance of the leaf; foliage pale yellow brown, tough, leather¬ 
like, tawny underneath. 
( E. Bot. 593. E.)— Jacq. Coll. ii. 16. 1. and iii. 2. 4— Jacq. Misc. ii. 10.3 
—Bolt. 131. C.— Dill. 30. 127— Hall.Enum. 2. 2. at p. 81. Hist. 47. 2. at 
iii. jo. 88— FI. Dan. 532. I—Mich. 54. ord. 36. 1. 
Leathery, thick, tough, strong ; firmly fixed to rocks by a central root, 
irregular in shape, generally lobed, colour that of coffee with plenty of 
cream added to it; apparently scaly on the surface, but these appear¬ 
ances are occasioned by small brown dots, turning blackish, underneath 
ochrey red. Shrinks and twists much in drying. Jacquin. Leaves many 
together, outer ones by far the largest, waved at the edge. Inner leaves 
crowded, edges turned down and indented so as to have a wrinkled or 
curled appearance. Dill. Dots of the colour of red lead. Mr. Woodward. 
The red dots are gelatinous tubercles. Mr. Griffith. 
(Leathery Immersed Lichen. Endocarpon miniatum. Achar. Hook. E.) 
On rocks and large stones. A rock at 11am, Derbyshire, is covered with 
it for several yards. Mr. Woodward. In a tower of Denbigh Castle, above 
the Goblin Well, also on Garreg-wen rocks, near Garn. Mr, Griffith. 
