PI. cell. aph. 5. 1DIOTHALAMEZE. 124*. Variolar. 491 
Variolar la globulifera, Turner in Lin. Tr. 9, 139 ; Achar. Lich. 322. 
Lichen globuli ferus, Engl. Bot. 2008. 
On the bark of trees. 
4. Variolaria communis. Common smallpox-moss . 
Crust cartilaginous, smooth, whitish, growing* uneven 
and grey, sprinkled with white, unbordered soredia; 
apothecia sphaeroid, powdery; nucleus rather membrana- 
ceous, flattish, pale, at length becoming naked. 
Variolaria communis, Achar. Lich. 322. 
On the bark of trees, old wood and stones. 
Thallus nearly insipid, varying from white to grey ac- 
cording to the age ; soredia nearly globular, convex or flat. 
/ 3 . orliculata . Crust thin, granular, rather radiately 
cracked, marked with zones, grayish-white; soredia cen- 
tral and scattered, flattish, scarcely bordered, similar in 
colour. 
Verrucaria orbiculata, Hoffm. Germ. 170. 
Lichen pallescens ? TVulf.in J acq. Coll. 3. 
Variolaria orbiculata, Achar. Meth, 13. 
Variolaria communis orbiculata, Achar. Lich. 323. 
On wood and barked trees. 
y.faginea. Crust rather spreading, bald, wrinkled and 
cracked, whitish ; soredia hemispherical, scattered, not bor- 
dered, rather solid, powdery, very white. 
Lichen fagineus, Lin. S. F. 1608. 
Variolaria faginea, Persoon in Uster Ann. 7 ; Achar. Meth. 12. 
Verrucaria tubercularia, Hoffm. Germ. 170. 
Variolaria communis faginea, Achar. Lich. 323. 
On the bark of trees, especially on beech, also on stones. 
aspergilla. Crust tartarlike, cartilaginous, regular, 
greenish ; circumference smooth, cracked in rays ; soredia 
scattered, superficial, flat, very slightly bordered, w r hiter 
than the thallus. 
Variolaria aspergilla, Achar. Meth. 13; Lich. 325 ; Engl. Bot. 2401. 
On rocks and stones. 
5. Variolaria amara. Bitter smallpox-moss . 
Crust wrinkled, cracked, uneven, rather powdery w*hite, 
slightly greyish ; apothecia pressed close, plano-concave, 
bordered, bearing soredia, similar in colour to the thallus. 
Lichen fagineus, Engl. Bot. 1713. 
Variolaria amara, Achar . Lich. 324. 
On the bark of trees. 
