261 



5 1 . Pat. cìnerascens, * (Pachyospora cinerascens. 



Massai.) 



52. Pat. caesio-alha, * (Parmelia caesio-alba, 



Fries!) — Asci oblongo - clavati, copiosi, 

 6-10- spori; paraphyses tenues, filiformes, 

 hyalinae. Sporae subrotundo - compressae , 

 majusculae , pellucidae , nubiloso - gramilo- 

 sae, luteolae. 



53. Pat. euganea, * - — P. tliallo tartareo - farino- 



so, albido, areolato-verrucoso, areolis tumi- 

 dls contiguis, hypothallo albo: apothecìis 

 inimersis, polygonis, irregularibus ; disco 

 atro, juniore caesio - pruinoso, dein nudo ; 

 limbo plano latiusculo, thalli areolas rarius 

 superante: ascis ventricoso-clavatis, 6-spo- 

 ris; paraphysibus tenuibus, fìliformibus , 

 hyalinis: sporis ovatis, magnis, pellucidis. 

 — Ad rupes trachiticas in Euganeis. 



54. Pat. calcaria, Acbar. 



55. Pat. mutabilis, * (Urceolaria mutab., Achar.) 



56. Pat. verrucosa^* (Urceolaria verruc, ^c^ar.) 



57. Pat. lundensis, * (Parmelia lundensis, Fries l 



Lich. suec. exsicc. n.° 321.) — Asci ven- 

 tricoso - clavati , A - 6 - spori ; paraphyses 

 temiissimae , capillares, hyalinae. Sporae 

 subrotundo-compressae, magnae, pellucidae. 



58. Pat. cinerea, * (Lichen clnereus, Linn. — 

 Urceolaria ocellata, Fiòrhe !) 



59. Pat. scutellaris* (Aspicilia scufellaris, Mas- 



sai.) 



