Pl, cell.aph. 4. CENOTHALAME. 117. Arthon. 479 
G. Sprtomipex. Thallus crustlike, flat, adnate; apo- 
theca flattish, irregular, not bordered. 
AXVIT. 117. ARTHONIA. Acharius. Sprinkled-moss.. 
Thallus crustlike, flat, expanded, adnate, uniform; apo- 
thecia innate, sessile, Sore ei not regular, not bordered, 
deep black, covered with a rather car tilaginous membrane; 
par enchyme similar, solid. 
1. Arthonia Swariziana. Swartz sprinkled-moss. 
Crust cartilaginous, membranaceous, whitish; apothecia 
sessile, rather broad, slightly tumid, roundish, turned 
back, irregular, confluent, raised, dotlike, deep black. 
Arthonia Swartziana, Achar. in Schrader’s Journ. 1,3,133; Engl. Bot. 
2079. 
On the bark of trees. 
2. Arthonia astroidea. Starred sprinkled-moss. 
Crust membranaceous, white, greenish-grey; upoliecia 
pressed to the thailus, flat, angular, rather starlike, irre- 
gular, deep black. 
Lichen astroites, Achar. Prod. 24. 
Opegrapha radiata, Persoon in Uster. Ann. 7, 29. 
Opegrapha astroidea, Achar. Meth. 25; Engl. Bot. 1847. 
Arthonia radiata astroidea, Achar. Lich. 144, 
On the smooth bark of trees. 
3. Arthonia obscura. Dark sprinkled-moss. 
Crust membranaceous, rather olive-colour ; apothecia 
small, flat, slightly concave, rather membranaceous, oval, 
elliptic, sad kidneyshape, slightly sunk, wrinkled, deep 
black. 
Lichen obscurus, Achar. Pred. 20; Engl. Bot. 1752. 
Opegrapha obscura, Achar. Meth. 22. 
Opegrapha reniformis, Achar. Meth. 23. 
Arthonia obscura « and 6, Achar, Lich. 146. 
On the bark of trees. 
» 4, Arthonia lyncea. Lynx sprinkled-moss. 
Crust thin, rather tartarlike, even, rather cracked, white ; 
apothecia crowded, flat, slightly sunk, roundish oblong ‘ae 
bent, black with a grey hoar. 
Lichen lynceus, Engl. Bot. S09. 
Lecidea lyncea, Achar. Meth, 52. 
Arthonia lyncea, Achar, Lich. 147. 
On the bark of old trees. 
