13 
(Collema) 
17. Collema lepideumNyl. Syn. I p. 105. — Supra terram 
sabulosam in insula Sancti Yincentii: Yogel. — Endem. 
18. C. fuliginellum Nyl. Ang. p. 4. — Supra saxa rni- 
caceo-schistosa prope Ponungalo Benguellse: Welwitsch. — 
Endem. 
19. C. granosum (Wulf.in Jacq. Coli. III t. 10 f. 2) Nyl. 
in Stzb. L. H. Add. II No. 37. Syn. C . ceranoides (Borr.) Nyl. 
in Flora 1878 p. 342. — Supra terram sabulosam prope EI 
Kantara inSahara: Norrlin. — Europ., Amer. sept., Fret. Bering. 
20. C. flaccidum Acb. Syn. p. 322 varr. subnigrescens 
et levis Muli. Diagn. Soc. p. 1. — Supra ramulos in insula So- 
cotra 800—1000 m : Schweinfurth. — Endem. — Yar. sub- 
furvum Milii. 1. c. p. 2. — Ibidem 1250 m: Balfour et Schwein¬ 
furth. — Endem. 
21. C. furvum Ach. L. U. p. 650. — Saxicola in Algeria: 
Durieu, Flagey. — Europ., Japon., Amer, sept., Fret. Bering. — 
F. conchilobum (Fw. Collem, p. 160, Krb. S. L. Gr. p. 407) Milii. 
Egypt. Suppi, p. 4. ■— Calcicola in Aegypto submediterranea: 
Barbey. — Europ. 
22. C. melsenum Ach. 1. c. p. 636. — Supra saxa calcaria 
in Algeria: Durieu, Flagey, prope Batna in Sahara: Norrlin 
et in insula Madera: Mandon Mad. 48. — Europ., Amer, 
sept., Fret. Bering. — F. marginale (Huds. FI. Angi. p. 534) 
Ach. 1. c. p. 637. — Supra saxa humida prope Constantine: 
Flagey. — Europ. — F. apotheciis ciliato-crenulatis ad Sidi- 
Mecid prope Constantine: Flagey. — Endem. 
23. C.polycarpon(Schaer.l.c.p.532, Nyl.Syn.I.p. 109) 
Krb. Pg. p. 417. — Supra saxa calcaria in Oran: Balansa et 
prope Constantine: Flagey. — Europ. — Yar. Corcyrense Arn. 
in Flora 1887 p. 152. — Prope Constantine: Flagey. — 
Europ. merid. 
