472 115. Lecidea. 4. CENOTHALAMEZ. Pi. cell. aph.' 
39. Lecidea rupestris. : Rock lecidea. 
Crust thin, tartarlike, not broken, greyish white; apo- 
thecia sunk, flat, bordered, when old convex, border some- 
times disappearing, bald, brownish red, inside the same 
colour. 
Lichen rupestris, Scopoli Carn, 1372, 
Lichen calvus, Dickson Crypt. 2,18; Engl. Bot. 948. 
Verrucaria rufescens? Hoffm. Germ. 173. 
Lecidea rupestris calva, Achar. Meth, 70. 
Lecidea rupestris, Achar. Lich. 206, exc. var. 6. 
On rocks, especially lime-stone. 
* 40. Lecidea luteola. Yellowish lecidea. 
Crust thin, whitish, granules nearly globular, pale be- 
coming -dirty grey; apothecia sessile afterwards convex, 
brownish yellow. 
Lichen vernalis, Hoffm. Lich. 5,1; Engl. Bot. 845. 
Lichen luteolus, Schrad. Germ. 85. 
Lichen porriginosus, Zurner in Linn. Trans, 1, 94. 
Lichen rubellus, Ehrh. Crypt. 14, 136. 
Verrucaria rubella, Hoffm. Germ. 174. 
Verrucaria vernalis, Hoffm. Germ. 175. 
Lecidea luteola, Achar. Meth. 60; Lich, 195, a, 8, 7, 9, «, %, excluding 
Ny te 
On the bark of trees. 
41. Lecidea carneola. Flesh-red lecidea. 
Crust thin, membranaceous, grey, at length granular, 
nearly powdery; apothecia sessile, concave, thick, swollen, 
brownish flesh-colour, border similarly coloured, when old 
convex. 
Lichen corneus, Withering Bot. drr. 4,20; Engl. Bot. 965. 
Lecidea cornea, Achar. Meth. 56. 
Lecidea carneola, Achar. Lich. 194. 
On the scaly bark of trees. 
42. Lecidea arcentina. Whitish lecidea. 
Crust very thin, naked, whitish ; apothecia flattish, slightly 
bordered, purplish wax-colour, brown and black. 
Lichen Griffithsii, Engl Bot. 1735. 
Lichen corneus, Withering Bot, Arr. 4, 20. 
Lecidea Inteola S$ ands, Achar. Lich, 197. 
On oak-trees. 
43. Lecidea fusco-lutea. Yellow-lrown lecidea. 
Crust spread, very thin, membranaceous, whitish and 
grey, rather shining, slightly granular; apofhecia super- 
ficial, flat, brownish yellow, growing reddish brown; edge 
paler, raised, at length bent. 
