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484 120. Phacotr. 4. CENOTHALAME^. PI. cell, aph,
6. Phacolntm chrysocephalum. Gold-head phacotrum.
Crust granular, conglomerated, lemon-yellow; apothecia
nearly topshape ; centre convex, umbei'-brown ; border
yellow, powdery; underneath naked, black, shining; podic'lls
threadlike, brassy, powdery.
Engl. Bot. 2501,
Liclien chrysoceplialus, I'urner in Lin. Tr, 7, 88 ;
Calicium clilorellum elatiniim, Achar. Meth. 95,
Caliciiim clirysocephalum a. and ;S, Jlchar. Meth. Suppl, 15 ; Lich. 239.
On old wood, walls, and the bark of trees.
7. Phacotrum trahinellum. Board phacotrum.
Crust thin, greyish-white; apothecia at last lentilshape,
centre black-brown, with a grey hoar ; border yeUowgreen.
CaVic'mm tra.h\i)e\\um, Achar. 3Ieth. SuppL 15.
Lichen trabinellus, Engl. Bot. 1540.
Calicium claviculare iS and y, /Ichar. Lich. 255.
Calicium xylonellum trabinellum, Achar. Meth. 95.
Calicium chlorellum trabinellum, Wahl. Lapp. 487.
On boarded buildings.
8. Phacotrum canthereJIum. Beam phacotrum.
Crust thin, whitish, rather powdery; apothecia lentilshape
; centre flesh-colour afterwards reddish, with a white
hoar; podicils threadlike, naked, pale, growing brownish
and black.
Lichen cantherellus, Achar. Prod. 85,
Calicium pallidum, Persoon in Ust.Ann. 7,20.
Calicium cantherellum, Achar. Meth. 96; Engl, Bot. 2557.
Calicium peronellum, Achar. Meth. 96. ^
Calicium cantharellurn a and /3, Achar. Lich. 240.
On rotten wood and the bark of old trees.
9. Phacotrum ferrugineum. Rust-colour phacotrum.
Crust thin, granular, tartarlike, rusty-white; apothecia
thick, black, often conglomerate ; centre pale rust-colour
podicils short.
Calicium ferrugiuf um, Engl. Bot. 2473.
On pales,
10. Phacotrum ceruginosum. Verdigris phacotrum.
Crust thin, tartarlike, rather granulated, verdigris-grey;
apothecia black, hemispherical, centre very convex, brownish-black
; podicils slender black.
Calicium aeru^inosum, Engl. Dot. 2502.
On old boards.