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VLcell.aph. 4. CENOTHALAME^. 112.Rinod. 453
16. H'lnodina glaucoma. Wall-eyed rinodine.
CruH tartarlike, cracked in beds, even, greyish white
apothecia sunk in the crust ; centre fiat, afterwards convex
nearly globular, sea-green, hoary, at length becomes naked
and black ; thalloid border not in the least cut, and when
old disappears.
Lichen rupicola, Lin. Mant. 132.
Lichen comijositus, Wither. Bot.Jrr. 4, 14.
Lichen glaucoma, Engl- Bot. 21.56.
Lichen varians, Davies in Lin. Trans. 2, 18.
Lichen albido csesius, Schrad. Germ. 87.
Liclicn sordidus, Persoon in Uster Ann. 7,26.
Urceohiria tessulata compositii, Achar, Mclh, 143.
Parmelia gl.-iuoma, Achar. Meth. 161, except var. /3.
Lecanora glaucoma, Achar. Lich. 552, except var, /3.
On whinstone and other rocks.
17. Rinodifia luiescens. YelloivisJi rinodine.
Crust spreading, thin, membranaceous, warty, pale,
sprinkled over with a pale yellowish green powder; apotliecia
scattered; centre plano-convex, slightly bordered,
hoary, upon a flesh-colour, reddish 3'ellow or grey ground
thalloid border bent.
Verrucaria lutescens, Hoffni. Germ. 195.
Parmelia luiescens, Florke, Berl. Mag. 1807.
Lecanora elatina, Achar. Lich. 387.
Lecanora lutescens, Achar. Lich. 367.
On the bark of fir and other trees.
18. Rinodina alhella. JVtiiting rinodine.
Crust thin, cartilaginous, smooth, milky white; apothecia
scattered ; centre slightly concave, pale flesh-colour, afterwards
convex, grey, hoary; thalloid border swollen, not in
the least cut.
Lichen albelhis, Persoon in Us^ vr/nH. 11, 18; Engh Bot. 2154.
Verrucaria umhilicata, Hoffm.Germ. 171.
Parmelia albella, Achar. Meth. 163.
Lecanora albella, Achar. Lich. 361).
On the smooth bark of young trees.
e. Apothecia with the centre slightly jlesh-colonr, pale,
pearly, yellowish, wax-colour or inclining to orange.
19. Kinodina parella. Archel rinodine.
Crust cracked, plaited, warty, very white; apothecia
thick, crowded, mis-shapen by squeezing; centre slightly
concave; thalloid border turgid, not cut, nearly the same
colour as the centre.