140 
(Pertusaria) 
868. P. cryptostoma Muli. 1. c. p. 206. — Corticicola 
prope Lydenburg in Transvaalia: Wilms. — Endem. 
869. P. Wilmsii. Thallus cinereus tenuis gramflatus 
obscurus, verrucis parvulis concoloribus dense aggregatis 
irregulariter hemisphaericis, passim binis biscoctiformi-con- 
fluentibus, pulverulentis mono- rarius pleiopyreniis, diam. 
0,6-8 mm, ostiolis depressis punctiformibus rarius substellatis, 
tandem (ad 0 , 20-25 mm) latiusculis, disco cinereopruinoso. 
Sporae binae in quavis theca, longit. 0,o85-ii5, crassit.0, 025 - 40111111 . 
Gelatina hymenea imprimis thecarum iodo coerulea. Thallus 
K vix flavens, K(CaCl)—. „E vicinitate P. pustulatae “ Nyl. 
— Supra corticem arboris e Malvacearum familia prope Dur- 
ban in Natalia: Wilms. — Endem. 
870. P. pustulata (Ach. L. U. p. 309) Nyl. Prodr. p. 195. 
— Corticicola in Algeria: Salzmann, prope Keren in Abys- 
sinia: Beccari et in Promontorio Bonae Spei: Zeyher, Breutel. 
—- Europa, Austral., Massachusetts. — Yar. heterochroa Muli. 
1. c. 1884 p. 285. — Ramulicola in Algeria: Salzmann et 
prope Lydenburg in Transvaalia: Wilms (Lojka Lichenoth. 80). 
— Europ. merid.? — P. pustulata var. superpallens Nyl. in 
Flora 1886 p. 466 heterochroce peraffinis videtur. 
871. P. melaleuca Dub. 1. c. p. 673, Nyl. Prodr. p. 99. 
— Corticicola in terra Somali et in Sansibar: Hildebrandt, 
in Promontorio Bonae Spei: Zeyher, in insulis Canariis. — 
Europ., Austral., Amer, utraque. 
872. P. thiostoma Nyl. MS. Thallus K vix flavens. 
Sporae quaternae longit. 0,o65-75(-i2o), crassit. 0,o25-35(-5o) mm. 
— Super corticem arboris e Malvacearum familia prope Durban 
in Natalia: Wilms. — Endem. 
873. P. per lutescens. Syn. P. lutescens (Eschw. Bras. 
p. 118) Krmplh. Siidsee p. 103 non Hffm., Nyl. — Ramuli- 
