PI. cell. aph. 4. CENOTH ALAMEiE. 107-Borrera. 4 3B 
4. Borrer a furfur acea. Branny boner. 
Thallus grey, floury ; jags linear, narrow, branched, un- 
derneath grooved, naked, wrinkled, violet, blackish ; apo - 
thecia nearly marginal, cupshape, centre red ; ihalloid bor- 
der thin, slightly bent in. 
Lichenoides cornutum amarura, superne cinereum, inferne nigrum,, 
Dillen Muse. 157. 
Lichen furfuraceus, Lin. S. P. 1612. 
Lobaria furfnracea, Hoffm. Germ. 143. 
Parmelia furfuracea, Acliar. Meth. 254. 
Borrera furfuracea, Achar. Lich. 500. 
On rocks, and the trunks of trees. 
5. Borrera Atlantica. , sltlantic borrer 
Thallus pale reddish, downy; jags divaricated, twisted 
linear, narrow ; underneath grooved ; apothecia scattered^ 
centre brownish black; thalloid border thin* not in the 
least cut. 
Lichen iutricatus, 1 Jesfont. FI. Atlant. 2,420. 
Parmelia Atlantica, Achar. Meth. Suppl. 50. 
Borrera Atlantica, Achar . Lich. 502. 
On the bark of trees, 
6. Borrera chrysophlhalma. Gold-eye borrer * 
Thallus yellow, yelklike; both sides naked, alike co- 
loured ; jags linear, flattish, pinnately branched ; tips fibril- 
lous; apothecia nearly terminal, centre orange; ihalloid 
border fibrilled, fringed. 
Lichen chrysophthalmus, Engl. Bot. 1083. 
Platisma armatum, Hoffm. Lich. 2,43. 
Parmelia chrysophlhalma, Achar. Meth. 267 . 
Borrera chrysophthalma, Achar. Lich. 502. 
On the trunks and branches of trees. 
7. Borrera lata. Pleasant borrer w. 
Thallus very yellow, jags thin, vaguely branched, com- 
plicated, fibrilled, cirrous ; apothecia scattered, centre flat* 
red ; thalloid border not cut, naked. 
Lichenoides quod Muscus aureus tenuissimus, Dillen in Raii Syn. 65,8 
Lichen vulpinus, Lin. S. P. 1623. 
Physcia flavicans, De Candolle Voy. Bot. 25. 
Borrera flavicans laeta, Achar. Syn. Lich. 225. 
On the trunks of trees. 
XVIII. 108. PHYSCIA. Achard. Physcia. 
Thallus leaflike, leatherlike, slightly membranaceous.^ 
flat, expanded, pressed close, round starlike lobed or 
many-jagged;' underneath fibrillous, jags slightly inflated 
2 f 2 
