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Pl.cell.aph. 5. IDIOTHALAME^. 126.Thelotr. 495
Lichen argenu?, Achur. Prod. 8.
Lichen agelaeus, Achar. Prod. 30; Engl. Bat. 1923.
Urceolaria agelaea, Achar. Meth. 150,
Lecidea argena, Aehar. Meth. 74.
Lecanora verrucosa jS and y, Achar. Lich. 355.
TheloJrema variolarioides agclaeum, Achar. in Act. Stockh. 33, 149,
On the bark of old poplars and firs.
yi. 127. PORINA. Acharius. Callus-moss.
Thallus crustlike, cartilaginous, flat, expanded, adnate,
luiiform ; apothecia wartlike, formed of the thallus, not
bordered; thalamium one or more, hidden within the substance
of the wart; periihecium simple, very thin, membranaceous,
transparent ; opening on the surface of the wart,
coloured, thick; nucleus nearly globular, cellular, vesiclebearing.
1. Forina periusa. Pierced callus-moss.
Crust smooth, even, greyish white ; apothecia nearly globular,
openings many, depressed, black.
Lichenoides verrucosum et riigosum, cinereum, glabrum, Dillen Muse
128.
Lichen pertusus, Lin. Mant. 131 ; Engl. Bot. 67T.
Endocarpon pertusum, Wahlenb. Lapp, 459.
Sphaeria melanostoma, Bern, in Romer Archiv. 4, 10.
Thelotreina pertusum, Achar. Meth. 131.
Porina pertusa, Achar. Lich. 308.
On the bark of the trunks of trees.
2. Porina hymenea. Maidenhead callus-moss.
Crust greyish, growing uneven; apothecia hemispherical,
at length irregular, angular; openings many, cracked,
widening.
Lichen pertusus, Wiilf. inJacq. Coll. 2, 181.
Lichen hyrneneus, Achar. Prod. 80; Engl. Bot, 1731.
Thelotrema hymeneum, Achar. Meth. 133,
Porina lejoplaca hymenea, Achar. Lich. 310.
Porina fallax hymenea, Achar. Syn. 120.
On the bark of old oak-trees.
D. VERRUcARiDiE. Thollus crustlike ; apothecia round,
without any border ; perithecium distinct.
VII. 128. LEJOPHLEA. Acharius. Smooth-moss.
Thallus crustlike, flat, expanded, adnate, uniform, cartilaginous,
membranaceous, not cracked, smooth; apothecia
with a nearly globular hemispherical thalamium, innate at