12 
CRYPTOGAM! A. ALGiE. Lichen 
L. ericeto'rum. Tubercles flesh-coloured, convex, on pedicles : crust 
whitish. 
(E. Bot. 374. E.)— FL Dan. 1003. 2— Hoffm. Enum. 8. 3— Dill. 14.1— 
Mich. 59. ord. 35. 
Tubercles convex, on foot-stalks, resembling minute Agarics. Linn. Sessile, 
and on foot-stalks. Huds. Crust granulated, rough, spread wide, grey- 
green in moist, white in dry situations and seasons. Dill. 
(Agaric Lichen. Bceomyces roseus. Achar. Hook. E.) Turfy heaths, sides 
of peat bogs, gravel pits, and on banks. P. Jan.—Dec. 
L. cai/vus. Tubercles tawny red; scattered, smooth, shining: crust 
whitish, with fine black perforations. 
(E. Bot. 948. E.)— Dicks. 6. 4. 
Crust thinnish, extended, smoothish, dotted with numerous fine pores of 
different sizes. Tubercles conspicuous, rather loosely scattered, of the 
size of mustard seeds. Dicks. ( Crust hard, and inseparable from the 
stone, abounding with little round depressions, left by the tubercles when 
they fall off. Tubercles quite sessile, of a full orange colour, destitute of 
any border. E. Bot. 
Bald Lichen. Lecidea calva. Purt. L. rupestris. Achar. E.) flocks in 
mountainous parts of Scotland and Wales. (On Cleadon and Fulwell 
Hills, Durham ; on the marble-stone and lime-stone rocks near Middleton, 
and on lime-stone rocks near the new bridge below Barnard Castle. Mr. 
Winch. E.) 
L. vernaRis. Tubercles rust-coloured, roundish: crust grey white. 
Hoffm. Lich. 35. 1; and Enum. 5. 1—(E. Bot. 845. E.)— Dill. 18. 4, and 
the central part of 55. 8. 
Ground ash-coloured white. Tubercles nearly globular, jelly-like, crowded, 
sessile, without a cup-like brim. Linn. Crust very thin, grey white. 
Tubercles of various sizes, not bordered. Dill. 
(Vernal Lichen. Lecidea luteola. Achar. Hook. E.) L. ferrugineus. 
Huds. Gmelin. Bark of trees, old pales, and sometimes walls and rocks. 
P. Jan.—Dec. 
Var. 2. Tubercles more numerous, of a browner colour and softer consist¬ 
ence. Lightf. Tubercles often clustered together, several smaller ones 
forming a larger one. Mr. Woodward supposes this distinct. On stones. 
Mr. Griffith. 
L. icmado'phila. Tubercles flesh-coloured, sessile, flat, angular: crust 
greyish. 
Hoffm. Enum. 8. 1— FI. Dan. 472. 4—( Jacq. Austr. 275— E. Bot. 372. E.) 
Crust thinner, more compact, with smaller granulations. Tubercles per¬ 
fectly sessile, and in some measure immersed in the crust. Mr. 
Woodward. 
(Angular-siiielded Lichen. E.) L. elveloides. Weber 186. Mr. 
Woodward. 
L. spHjERoPdes. Tubercles flesh-coloured, globular: crust greenish 
ash-coloured. 
Dicks. 2. 2. 
Crust between mealy and wrinkled, greenish, with a tinge of sea-green. 
Tubercles small, spheroidal, dirty yellow or brown, heaped up into little 
clusters. Dicks. 
