CRYPTOGAMIA. ALG: Lichen. I. Root central. 
On rocks and stones. On Snowdon, at Llyn Llydaw rocks, 
about Llyn Cwm _y. Ffynnon las, and on the tops of the moun- 
tain Cwm Brwynog towards Ardhu, near Llanberris, Caernar- 
vonshire. Ditu. Rocks on the Highland mountains. Licutr. 
[Sr.] 2 P, Jan —Dec. 
L. Tubercles red, shally, Bonne immersed in the sub-minja’tus, 
stance of the leaf: foliage pale yellow brown, 
tough, leather-like, tawny underneath. : 
E. bot. 593-—Facg. coll. ii, 16. 1, and iii. 2. 4—Facg. misc. 
di. 10. 3=Bolt. 131. C—Dill. 30. 127—Hall. enum. 2. 2, 
at p. 91, hist. 47. 2, at iii. p. 88—F/. dan, 532, 1—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 they are small brown dots, turning blackish, under- 
neath 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 in- 
dented so as to have a wrinkled or curled appearance. Dixit. 
Dots of the colour of red lead. Mr. Woopwarp. The red dots 
are gebceens tubercles, Mr. Grirrirn. ats 
Jn rocks and large stones. [A rock at Ilam, Derbyshire 
is covered with it for several yards. Mr. Woopwarp. In a 
tower of Denbigh Castle, above the Goblin Well, also on 
Garreg-wen rocks, near Garn. Mr, Grirritu.]- 
L. Leaves covered with numerous minute dots ; bright amphib’ius. 
reen, changing to dusky olive ; coiled up like hol- 
w cylinders. sa ‘ oi 
FI. dan. 532, 2—Mich. 54. ord. 3€. 1. 
This plant in its first state consists of a number of fine ten- 
‘der membranaceous pellucid green leaves, with waved margins 
~which are elevated and bluntly indented. These leaves soon ac- 
quire a-firmer texture, become opake, the upper surface changes 
toa bright and the under to a buff-colour ; lastly they 
turn to a dish olive ; the elevated margins are bent back, and 
the leaves are coiled like hollow cylinders, and covered with nu- 
merous minute dots, which-are the only fructification hitherto 
‘observed. When moist it has a peculiar smell, not very anlike 
that of fresh peeled oak bark. Mr. GrirritH. “ 
L. miniatus, var. 2. Lightf. Huds. and Bot. arr. ed. ii. [On 
rocks at Ilam, Derbyshire, mixed with L. miniatus. Woopw. 
On stones near the lake called Llyn - eat -Caernarvonsh, ‘and. 
Voi. IV. 
