Pl.cell.aph. 4, CENOTHALAMEtE. I16.Gyroph. 477 
Lichen proboscideus, Lin. S . F. 1617. 
Lichen deustus, Light/. Sjcot. 861. 
Lichen exasp erat us, Gun. Norv. 
Lichen mesenteriformis, Ehrh. Crypt. 89. 
Umbilicaria mesentcrica, Schrad. Germ. 103. 
Umbilicaria eorrugaia, Hoffm. Germ. 112. 
Gyromium proboscideum, W ahlenb. Lapp. 483. 
Gyrophora Jacquinia, Achar. Meth. 104. 
Gyrophora proboscidea a, (3 , and y, Achar. Meth. 105 ; Lich. 220. 
Upon rocks. 
3. Gyrophora arctica. Arctic brain-moss . 
Thallus thick, hard, stiff, with raised dots, wrinkled, 
brown-olive afterwards blackish; underneath naked, bald, 
pale ochre-yellow, blackish in the middle : apotkecia nearly 
globular, very much wrinkled. 
Gyrophora arctica a and /3, Achar. Meth. 106 ; Lich. 221. 
Gyromium proboscideum arcticum, IV ahlenb. Lapp. 483. 
On alpine rocks. 
4. Gyrophora cylindrica. Cylindrical brain-moss. 
Thallus rather naked, livid grey, plaited and lobed, 
fringed; underneath smooth, pale with branched fibrils; 
apothecia raised, flattish, circularly and meanderingly 
plaited. 
Lichen cylind'ricus, Lin. Arnoen. Acad. 
Lichen crinitus, Light/. Scot. 360. 
Lichen proboscideus, Hedwig Crypt. 1 ; Engl. Hot. 522. 
Umbilicaria crinita, Hoffm. Germ. 1 12. 
Gyromium cylindricum, IVahlenb. Lapp. 483. 
Gyrophora cylindrica, Achar. Meth. 107 ; Lich. 223. 
Upon mountains and rocks. 
13. Jimbriala. Thallus many-leaved, folded up, lobes 
round, underneath fibrilled, edge with very close, short, 
branched fringe; apothecia saucershape, nearly plain. 
Gyrophora cylindrica fimbriata, Achar. Lich. 224. 
5. Gyrophora erosa. Torn brain-moss. 
Thallus wrinkled, olive-brown ; circumference perforated, 
sivelike, irregularly jagged; underneath greyish, bald, ra- 
ther granular, slightly fibrilled ; apothecia rather convex, 
meanderingly plaited. ; 
Lichenoides rugosum durum pulluin, peltis atris verrucosis, Dillen 
Muse. 220. 
Lichen torrefactus, Light/. Scot. 862. 
Lichen erosus, Weber Golt. 251). 
Umbilicaria torrefacta, Schrad. Germ. 1, 104. 
Umbilicaria erosa, Hoffm. Germ. 111. 
Gyromium erosum, Wahlenb. Lapp. 482. 
Gyrophora erosa, Achar. Meth. 103; Lich. 224; Engl. Bot. 2086. 
