77 
(Physcia) 
443. P. dimidiata (Arn. exs. 272) Nyl., in Flora 1881 
p. 537.— Snpra corticem arborum pomiferarum prope Lyden- 
burg in Trans vaalia: Wilms. — Europ. 
444. P. aipolia (Ach. Syn. p.207) Nyl. in Norrl. Tavast. 
p. 180. — Corticicola prope Constantine: Flagey, prope Alger: 
Trabut, prope Seriba Grhattas in Africa subeentrali: Schwein- 
furtb, ad Promontorium Bonse Spei: Drege, in Transvaalia: 
Wilms et in insula Teneriffa. — Europ., Amer. sept. 
445. P. endopyxinea Muli. Diagn. Soc. p. 3. — Ra- 
mulicola in insula Socotra: Balfour, Sebweinfurtb. — Endem. 
446. P. astroidea (Clem. Ens. add. p. 302) Fr. L. E. 
p. 81. — Corticicola in Africa boreali, in Abyssinia: Beccari, 
in Aegypto: Schweinfurth et in Promontorio Bonae Spei: 
Zeyher. — Europ., Japon., China, Amer. sept. 
447. P. obsessa (Mnt. Cub. p. 227 non Ach.) Nyl. Syn. I 
p. 426. — Supra cortices in insula Borbonia et supra Wadi 
Kischen in insula Socotra 600 m: Schweinfurth. Saxicola 
in insula Sancti Thomae: Quintas. — Java, Polynes., Amer, 
calidior. 
448. P. caesia (Hffin. PL Lich. t. 8 f. 1) Nyl. Prodr. 
p. 62. — Teste Strt. in Africa australi. — Europ., Tonkin, 
Amer, utraque. — Var. teretiuscula (Ach. L. U. p. 479) Nyl. 
Scand. p. 112. — Supra lapides prope Pungo Andongo in 
Angola: Soyaux. — Suecia. 
449. P. venustula. Thallus cineraseens firmus laciniato- 
divisus, laciniis subimbricatis linearibus subdichotome parti¬ 
tis brevibus, lobulis incisocrenatis parce albofibrillosis, subtus 
albidus, versus marginem fibrillis nigricantibus munitus. 
Apothecia crebra conferta latit. ad 5 mm, podicellata con¬ 
cava, receptaculo profunde incisocrenato vel iaciniosulo-fimb¬ 
riato, disco nigrofusco nudo. Hymenium superne pallide fus- 
