137 
(Phlyctella) 
846. P. capillaris (Strt. Add. p. 217). Similis priori. 
— Corticicola in Africa australi (Strt. 1. c.). — Endem. 
847. Phlyctis Boliviensis Nyl. Exot. p. 221. — Cor- 
ticiola in Port Natal: Armstrong - Mackenzie et in monte 
Boscliberg Africae australis : MacOwan. — Boliv. 
848. P. agelsea (Aeli. Prodr. p. 30 p. p., Wallr. FI. Germ. 
II p. 553) Krb. S. L. G. p. 391. — Corticicola in Algeria: 
Letourneux. — Europ., Texas. 
849. Pertusaria aperta. Thallus cinereus effusus tenuis¬ 
simus vel evanescens, verrucae disseminatae globulares sensu 
radiali subrugosae monopyrenicae, epithecio tandem dilatato 
lecanorino albomarginato nigro. Paraphyses graciles, thecae 
3—4-sporae. Sporae elongatoellipticae vel citreiformes, muco 
hyalino obductae, longit. 0, 070-90 mm (sine halone), crassit. 
0 , 024-32 mm, aetate nigricantes. Gelatina hymenea iodo cceru- 
lescens. Reactiones solitae deficiunt. — Saxicola ad Muizen- 
berg in Promontorio Bonae Spei: MacOwan. 
850. P. amara (Ach. Syn. p. 131) Nyl. in Flora 1873 
p. 22. — Saxicola in Monte Tabulari: Eaton et prope Lyden- 
burg in Transvaalia: MacLea. — Europ. 
851. P. velata (Turn. in Trans. Linn. Soc. IX p. 143) 
Nyl. Scand. p. 179. — Corticicola in Promontorio Bonae Spei: 
Sieber, Wilms, in Loango: Peschuel-Loesche, in insulis Ma- 
dera: Mandon (Mad. 7), Sancti Vincentii (teste Leigbton), 
Sancti Thomae 850 m: Moller, Rodriguesii: Balfour et Bor- 
bonia. — Europ., Asia, Austral., Polynes., Amer, utraque. 
852. P. xantholeuca Muli. I. c. p. 6. — Quartzicola in 
insula Socotra 900 m: Scbweinfurth. — Endem. 
853. P. multipuncta (Turn. 1. c. IV p. 137) Nyl. 1. c. 
— Supra arborum truncos et ramulos in Madera. — Europ., 
Asia or., Austral., Amer, austral. et antarct. 
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