440 109. Farmelia. 4. CEN QTH A L AMEiE. PL cell, aph. 
14. Farmelia plumbea. Lead border-moss , 
Thallus round, livid, lead-colour; underneath bluish, 
spongy, woolly ; jags of the circumference fiattish, folded, 
radiant, rounded, deeply crenate; apothecia scattered, 
growing convex, brown ; border nearly the same colour, 
not cut. 
Lichen plumbous. Light f. Scot. 826. 
Parmelia plumbea, Achar. Meth. 212 ; Lich. 466. 
On the trunks of trees, rarely on rocks. 
15. Farmelia rubiginosa. Rusty border-moss , 
Thallus round, livid, lead-colour; underneath woolly, 
spongy, blackish blue; jags of the circumference deeply 
lobed, fiattish; edges slightly elevated and crenulate; apo- 
thecia flat, crowded, central, reddish brown ; border cre- 
nate. 
Lichen affinis, Dickson Crypt. 4,24 ; Engl. Hot. 983. 
Lichen rubiginosus, Thunberg FI. Cap. 176. 
Parmelia affinis, Achar. Meth. 212. 
Parmelia rubiginosa, Achar. Meth. 212 ; Lich. 467. 
On the bark of trees. 
1,6. Parmelia omphalodes. Navel border-moss . 
Thallus round, brassy, blackish brown, shining, dotted 
with black; underneath black, fibrilled; jags sinuated, 
inany-cut, linear, flat, slightly truncated, in the circumfe- 
rence rounded, crenate; apothecia bay-colour; border 
slightly crenate. 
Lichenoides saxatile tinctorium, foil is pilosis purpureis, Dillen in Ran 
Syn. 74, 70. 
Lichen petraeus purpureas Derbiensb, Park. 1315. 
Lichen omphalodes, Lin. S. P. 1609 ; Engl. Hot. 604. 
Lobaria omphalodes, Hoffm. Germ. 145. 
Parmelia omphalodes, Achar. Meth. 204; Lich. 469. 
Cork . Arcell. Kenkerig y Wales. 
On rocks and stones. 
17. Parmelia saxatilis. Rock border-moss, 
Thallus round, greyish, roughish, open in network ; un- 
derneath black, fibrilled ; jags tiledlike, deeply lobed, flat, 
rather blunt and dilated, rounded ; apothecia bay-colour; 
border crenate. 
Lichenoides crusta foliosa, superne cinereo-glauca, interne nigra et 
cirrhosa, scutellis nigricantibus, Ran Syn. 72, 16. 
Lichen saxatilis, Lin. S. P. 1609; Engl. Bot. 603. 
Lobaria saxatilis, Hoffm. Germ. 145. 
Parmelia saxatilis, Achar. Meth. 204; Lich. 469. 
On stones and the bark of trees. 
