78 
(Physcia) 
cum, paraphysibus discretis. Sporae octonae l-septatae fuscae 
longit. 0,027-34, crassit. 0, 012-14 mm. Thallus K extus intusque 
flavens. E stirpe P. stellaris, nonnihil ad P. ciliarem vergens; 
margo apotheciorum ei P. venustae similis. — Super corticem 
arboris prope Durban in Natalia: Wilms. — Endem. 
450. P. obscura (Ehrh. 1. c. 177) Nyl. Prodr. p. 309. 
— Corticicola, saxicola et lignicola in Africa boreali, prope 
Keren in Abyssinia: Beccari et ad Promontorium Bonae Spei. 
— Europ., Asia, Polyn., Amer, sept., Paraguay. — Var. cMo- 
antha (Ach. Syn. p. 217) Nyl. Scand. p. 112. — Corticicola 
in Dschebel Wasch prope Constantine 650 m: Flagey et in 
Durban Africae australis: Wilms. — Europa. — Var. virella 
(Ach. Prodr. p. 108) Fr. fil. Scand. p. 142. — Prope Habab 
in Abyssinia: Hildebrandt. — Europa. 
451. P. lithotea (Ach. Syn. p. 217) Nyl. in Flora 1877 
p. 354. — Supra saxa calcaria prope Azeba 600 m: Flagey. 
— Europ., Fret. Bering. 
452. P. tribacoides Nyl. 1. c. 1874 p. 307. — Supra 
saxa arenaria in declivo septentrionali Montis Leonis prope 
Kapstadt: MacOwan. — Anglia, Gall. occid. 
453. P. endochrysea (Hmpe. Hb., Nyl. Syn. I p. 427) 
id. in Flora 1875 p. 442. — Corticicola in Monte Tabulari 
ad Promontorium Bonae Spei: MacOwan. — Alp. Raetie., Amer, 
utraque. 
454. P. endococcinea (Krb. Pg. p. 36) Nyl. 1. c. 1877 
p. 354. — Supra saxa ad Promontorium Bonae Spei: Mac¬ 
Owan et in insula Madera. — Transsylv., Anglia, China. 
455. P. purpurata. Thallus obscure cinereofuscus stel- 
latolaciniatus, laciniis adnatis pinnatis, lobulis crenatis ap¬ 
pressis planis vel modice convexis, sorediis parcis medullae 
saturate roseopurpurascenti concoloribus. K+ (medulla nigri- 
