108 A. HUE. 



rico articulât», lumine 1,5-2 [x lato. Gonidia flavoviridia, cbroolepoidea, 10-22 ix crassa, 

 membrana paulum incrassata, stratum 60-80 ;x latum sub cortice formantia aut interduin 

 1ère totam thalli crassitudinem occupantia. Hyphae medullares parura evolutac, spheeroideo 

 articulatae, triplice D ris Guéguem non tinctae, fragmenta rupis admittentes et ab eis circumdatae. 

 Apothecia rotunda, saepius oblonga, unica vel duo triave in singulis areolis nata ac in eis 

 semper immersa, thallo integro et non elevato circumdata atque disco 0,2-0,4 mill. lato, 

 tliallo concolore, paulum concavo nudoque instructa. Perithecium incoloratum, iodo totum 

 caeruleum, in margine 50-80, lateraliter 20 et interne 30-40 a crassum ; ejus hyphae horizon- 

 tales, sphaeroideo aut breviter articulatae, lateraliter tenues, verticales ac in margine flabel- 

 latœ et sphaeroideo articulatae; sub eo nulla gonidia, sed paucae hyphae medullares ac fragmenta 

 lapidis non rara. Paraphyses totae hyalinae, in apice parvulos cristallos ferentes, 1 10-180 a 

 altae, 4 ;x crassa;, rectae, arcte cohaerentes, articulatae arliculis 8-10, sursum 4-5 ;x longis, 

 dissepimentis tenuibus, lumine 2 jx lato, passim ramosae, superne intricatae atque iodo caeruleae. 

 Thecae sporas subdistichas continentes, 80 u longae et 20 <x latte, distichas autem, 70 plongée 

 et 56 jx longae, in apice vix incrassatae ac in basi breviter caudatae ; sporae octonae, hyalinae. 

 simplices, primum monostichae et demum distichae, triplice reagente rubentcs, exosporio 

 1,5-2 [a crasso, forma variantes, 14-20 p. longae et 10-12 ;x latae, immixtis 16-21 u. longis et 

 10-18 u. latis, 18 ix longis et 10-12 jx latis aut etiam sphaericis, diametro 12 u metientibus, 

 Spermogonia deficientia. 



Thalli stériles usque modo observati. 



692. Aspicilia mastrucata Th. Fr. Lich. arctoi, 1860, p. 134; Lichen mastrucatus 

 Wablenb. Flor. lappon., 1812, p. 413. 



— f. pseudoradiata Arn., Lichenolog. Ausf!., Tirol, XX, p. 4, in Verhandl. soolog.- 

 botan. Gcsellsch. Wien. t. XXIX, 1879, p. 354, et loc. citât., XXI, p. 36, in ead. eglog., 

 t. XXX, 1880, p. 128, atque v. Dalla Torre und v. Sarnth., Flor. ge/urst. Grafsch. Tira/, 

 t. IV, 1902, Flecht. Tirol, p. 283 ; Lecanora Bockii f. pseudoradiata Arn., loc. citât. , XVIII, 

 p. 11, in ead. eglog., t. XXVII, 1878, p. 257 ; Lecanora mastrucata f. pseudoradiata Nyl. 

 in litt. ad Arn., 19 decembris 1878, secundum Arn. Lich. e.vsicc, n. 622, ad saxa micacea 

 in Tyrolia ab ipso, anno 1876, lectum; Aspicilia cinerea f. papillata Arn., Lichenolog . 

 Ausfl. Tirol, XXIII, p. 13, in ead. eglog., t. XXXVII, 1887, p. 93, secundum Arn. Lich. 

 exsicc, n. 1043, ad saxa melaphyrea in Tyrolia meridionali, anno 1884, lectum, in berb. 

 Nylander; v. Dalla Torre und v. Sarnth., loc. citai., p. 282. 



Thallus vel cinereus, vel atrato cinereus aut adhuc obscure violaceus, tenuis, opacus, 

 granulato radiatus etplagas orbiculares 7-30 mill. latas formans. In peripheria radii 5-7 mill. 

 longi velaut breviores, hemisphaerici, torulosi, crassitudine 0,2-0,26 mill. metientes, contigui 

 seu parum discreti et in ambitu magis atrati, plani, multum divisi atque in apice breviter 

 albescentes. In centro granuli 0,3-0,6 mill. lati, et 0,4-0,6 crassi, hemisphaerici, contigui, 

 laeves ac passim in apice vulnerati; intus albidi atque hydrate kalico praesertim in cortice 

 flaventes et mox leviter ferrugineo rubentes. Cortex in radiis albidus et 20-40 jx latus ; ejus 

 hyphae fastigiatae, 4-6 <x crassae, arcte coalitae, ramosae. articulatae articulis sphaericis aut sphae- 

 roideis, lumine 2,5-4 ix lato, atque zona albidacellulas collapsas continente obtectus. In granulis 

 cortex superne atratus praecedenti similis sed ejus hyphae passim simplices. Gonidia viridia, 

 cystococcoidea, 10-16 ixlata stratumque 40-60 a crassum et non densum sub cortice formantia 

 atque in radiis passim deficientia. In his hyphae medullares horizontales, stricte coalitae, pariete 

 tenui, oblongo et rarius spha'roideo articulatae. In granulis hyphae 4-8 a crassa;, verticales, 

 parum ramosa\ articulatae articulis sphaeroideis et triplice D ria Guéguen rubentes et inferne in 

 ona 60-80 a lata horizontales et saxo adhérentes Cortex lateralis 20 u. crassus et superiori 



