173 
(Lecidea) 
Schaer. Spic. p. 134. — Saxicola in Teneriffa (sterilis et dubia). 
— Europ., Amer, sept., Chile. 
1104. L. valida. Thallus cinereus rimoso-areolatus, areolis 
obscuris pulverulentis. Apotheeia areolis innata vel arcte 
adnata mediocria diam. 0,5-1 mm extus intusque nigra plana 
vel convexa nonnihil angulosa. Hymenium in hypothecio 
incolore, epithecio fusco crasso, paraphysibus crassioribus 
superne fuscoclavatis coalitis. Sporee octonse ellipticae sim¬ 
plices incolores longit. 0, 010 - 15 , crassit. 0,oo6-8 mm. Grelatina 
hymenea imprimis plasma thecarum iodo ccerulescens. Sper- 
mogonia punctiformia nigra spermatiis cylindricis rectis longit. 
0, 008 - 10 , crassit. 0,ooo6 mm. Thallus K-f- luteus, K(CaCl)-f- 
aurantiacus. Prope L. fumosam collocanda. 1 — Saxicola prope 
Lydenburg in Transvaalia: Wilms. — Endem. 
1105. L. grisella (Flk. in lit., Schaer. En. p. 110) Nyl. 
Lapp. p. 160. — Saxicola in insula Madera: Mandon. — Europ. 
— F. meiosporiza Nyl. in Flora 1876 p. 239. — Supra 
scorias vulcanias in insula Teneriffa. — Europ. 
1106. L. maculosa. Thallus albus crassiusculus gleboso- 
areolatus, areolis contiguis convexis irregularibus. Apotheeia 
crustam non superantia rotunda vel irregularia conferta, 
passim in linearum ordinem disposita diam. 0 , 4 - 1,4 extus 
intusque nigra plana, margine tenui discum aequante. La¬ 
mina in hypothecio nigro superne sordide olivaceofusca para¬ 
physibus non bene discretis. Sporse ovales longit. 0,oi4-i8, 
crassit. 0,oo6-8 mm. Grelatina hymenea iodo intense coerulea 
dein vinose rubescens. Thallus, nec K nec CICa nec I mu¬ 
tatus, K(CaCl)-|- pallide rubescit. L. speirece necnon grisellce 
subsimilis. — Supra saxa arenacea prope Constantine 540 m: 
Flagey (Arn. exs. 1443). — Endem. 
1 L. fumosa (Hffm.) Whlnb., pro insula Madera indicata, ad¬ 
huc dubia est. 
14 
