154 
(Lecidea) 
monte Boschberg Africae australis: MacOwan, in Port Natal, 
ubi simul adest forma apotheciis pallescentibus: Armstrong- 
Mackenzie, prope Lydenburg in Transvaalia: Wilms et in 
insula Madera : Mandon. — Europ., Nov.-Holl., Nov.-Zel., Amer, 
utraque. 
985. *L. trifaria. Thallus cinereus effusus pulverulento- 
granulosulus, K-f- lutescens. Apotbecia sessilia nigra con¬ 
cava vel plana, margine crassiore nitente, disco opaco, intus 
cinerea sub linea atrocoerulea, diam. 0,2-5 mm. Epithecium 
ccerulescens, hypothecium rubricosum, paraphyses subdis- 
cretse. Sporae octonae curvato-aciculares incolores multiseptatae 
longit. 0 ,o 5 o- 65 , crassit. 0 ,oo 4 mm. Gelatina bymenea iodo 
coerulea. A L. endoleuca peraffini epithecio et reactione thalli 
distat. — Supra cortices arborum in sylvis prope Karkloof 
Nataliae: Rebmann. — Endem. 
986. *L, Socotrana (Muli, in Balf. Bot. of Socot.p. 368). 
— Supra ligna emortua in insula Socotra : Balfour. — Endem. 
987. *L. leucostephana. Thallus gilvopallescens inde¬ 
terminatus leprosus, K-f- flavens. Apothecia nigra diam. 
0,4-6 mm plana, margine distincto albosuffuso, intus pallide 
carnea. Hymenium superne fuscum in hypothecio incolore, 
paraphysibus discretis. Sporae octonae incolores aciculares 
7-septatae longit. 0 ,037-56, crassit. 0 ,003-4 mm. Gelatina hyme- 
nea iodo coerulescens. — Corticicola in monte Boschberg 
Africae australis: MacOwan. — Endem. 
988. L. endoleucella. Thallus cinereus effusus tenuis¬ 
simus pulverulentus. Apothecia atrofusca sessilia, juniora 
concava, margine tumido dilutiore nitente, adultiora plana 
vel convexa, margine concolore demum attenuato imo evanes¬ 
cente, diam. 0,4-5 mm. Hymenium altit. ca. 0,os mm, superne 
fuscum granulosum in hypothecio incolore, paraphysibus 
capillaribus discretis. Sporae octonae aciculares incolores 
