m 



Fam. V. Lecanorei. 



Thallus crustaceus, uniformis 1. effïguratus, matrici (vulgo) adnatus. 

 Apothecia scutellaeformia , margine thallode cincta; discus primitus clausus. 



Subfam. 1. Pannariei. 



Thallus totus primitus foliaceo-squamosus, demum crustaceo-compac- 

 tus. Apothecia lecanorina 1. pseudo-biatorina. 



16. Pannaria Delis, emend. 



Thallus subfoliaceus 1. scpiamuloso suberustaceus, hypothallo vulgo 

 crasso impositus; apothecia protuberantia, margine thallode , interdum in pro- 

 prium mutato, subcoronata; sporae simplices, octonae, subellipsoideae I. oblon- 

 gae, hyalinae. 



1. P. plumbea (Lightf): thallo coriaceo-membranaceo, submono- 

 phyllo, radioso-rugoso, livido-plumbeo, ambitu crenato, hypothallo determi- 

 nato, spongioso-tomentoso, coerulescente; apotheciis demum convexis, rufis, 

 margine pallidiore, iutegerrimo. 



Syn. Parmelia plumbea Ach. Univ. p. 466, Syn. p. 202, Fr. L. E. 

 p. 87, Schaer. Enum. p. 35. — Lichen Wnbg. Lapp. p. 425. — Panna- 

 ria Mass. Rich. p. 110, Ko erb. Syst. p. 109. 



Ex s. L. Su. n. 68. — Schaer. n. 564. 



In truncis arborum frondosarum satis frecpienter et ad rupes rarius 

 Nordlandiae meridionalis maritimae insularumque Lofodensium (Barth). 



Asci inflato-clavati, paraphyses validiusculae, apice fulvescenti-fuscescen- 

 tes; sporae octonae, simplices, limbatae, luteolo-hyalinae, plus minus oblongae, 

 0,i}i i ;>u mm. longae et 0,oos — 7 mm. latae. 



2. P. rubiginosa (Thunb.): thallo membranaceo, suborbiculari, li- 

 vido-glauco, ambitu laciniato-multifido, hypothallo indeterminato, spongioso, 

 coeruleo-nigricanti; apotheciis subplanis, rubrofuscis, margine thallode in- 

 curvo crenato. 



Svn. Parmelia rubiginosa Ach. Univ. p. 467, Syn. p. 202, Fr. L. E. 

 p. 88, Schaer. Enum. p. 36. — Lichen Wnbg. Lapp. p. 424. — Pan- 

 naria Mass. Rich. p. Ill, Koerb. Syst. p. 105. 



Ex s. L. Su. n. 107. — Schaer. n. 563. 



Ad saxa irrigua silvatica et truncos arborum praecipue frondosarum 

 Nordlandiae meridionalis maritimae passim copiosa. 



