subleprose, chinky, rugose-granulate or subareolate, green-gray to dark
olive-brown, sometimes largely disappearing crust; apothecia minute to
small, 0.25 to 0.6 mm. in diameter, light brown to black, adnate to
somewhat immersed, at first flat with a commonly paler exciple, becoming
convex with the exciple sometimes covered; hypothecium pale or darker
brown; hymenium pale throughout, or tinged brown above; paraphyses
coherent, semi-distinct to indistinct; asci long-clavate, or
inflated-clavate; spores hamate, or more or less spirally twisted, about
4- to 8-celled, 18 to 30 mic. long and 2 to 3 mic. wide (Fig. 7).

Collected in Preble, Lake, Hocking, and Adams counties. Also examined
from Wayne County. On various rocks. Not previously reported from Ohio,
but evidently distributed widely in the State.




Buellia De Not. Giorn. Bot. Ital. 21: 195. 1846.

Thallus granulose, verrucose, or areolate, rather better developed than
those of the preceding genera as shown in the more frequent verrucose
and areolate conditions; apothecia minute to large, sessile to immersed,
the disk and the exciple usually black; hypothecium usually brown;
hymenium pale to light brown; paraphyses usually distinct; spores brown,
2-celled.


KEY TO THE SPECIES OF BUELLIA

On rocks 3. B. _turgescentoides_