101 
(Lecanora) 
617. L. variabilis (Pers. 1. c. I p. 26) Ach. 1. c. p. 369 
var. candida. Hypothallus deficiens, thallus et apotheciorum 
margo albus; lichen extus Lecanorce calcarece subsimilis. — 
Calcicola ad Azeba prope Constantine: Flagey. — Endem. — 
Yar. acrustacea Arn. in Flora 1858 p. 319. — Calcicola 
prope Constantine: Flagey. — Europ. 
618. L. albopruinosa (Arn. 1. c. 1859 p. 152) Nyl. in 
LojkaHb. — Calcicola prope Constantine in Algeria: Flagey. 
— Europa. 
619. L. circumalbata (Delile Egypt. p. 157). — Supra 
calcem numulithicam in Valle e d’Egarement: Delile. — 
Endem. 
620. L. interveniens (Miill. Egypt. Suppi, p. 5). — 
Calcicola in Aegypto submediterranea: Barbey. — Endem. 
621. L. Aegyptiaca (Hepp MS., Muli. Egypt. p. 12). — 
Supra lapides calcareos in desertis Wadi Cherese, Wadi Na- 
umieh, WadiNehieh, Wadi Hassane et in summo Dschebel 
Cheschen in Wadi Gendel inter Cairo et Sues: Schweinfurth, 
in DschebelMokattam et in Aegypto submediterranea: Barbey. 
— Palaest. — Var. lecideina (Miill. 1. c. p. 13). — In summo 
Dschebel Cheschen: Schweinfurth. — Endem. — Var. de- 
pauperata (Miill. 1. c.). — In deserto Bir Hamam: Ehrenberg. 
— Endem. 
622. L. minuscula (Miill. Egypt. Suppi, p. 6). — Calci¬ 
cola in Aegypto submediterranea: Barbey. — Endem. 
623. L. cretacea (Miill. Diagn. Soc. p. 6 non id. in 
Flora 1867 p. 434). — Calcicola in insula Socotra: Balfour, 
Schweinfurth. — Endem. 
624. L. melanocarpa (Miill. Egypt. p. 17). — Fre- 
quentissima in desertis calcariis segyptiacis Wadi Cherese, 
Wadi Na-umieh, Wadi Nehieh, Wadi Risched, necnon in 
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mycological 
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