330 E. A. Vairiio. Lecideales. 



thallus subpruinosus apparet, opacus, intus KHO lutescens deinde- 

 que fulvescens (videas infra). Apothecia lat. 1 — 0.7 ( — l.s) mm (mi- 

 nora in f. hypoleuca), sat crebra aut partim aggregata aut dispersa. 

 Perithecium fusco-rubricosum, KHO vulgo solutionem rubricosam 

 effundens. Epithecium KHO distinctius aeruginosum. Hymenium 

 circ. 0.140 mm crassum. Sporae medio vulgo constrictae, strato ge- 

 latinoso sat crasso vulgo indutae. Conidia filiformia, rectiuscula, 

 long. 0.010 — 0.012 mm (sec. Th. Fr.). Gonidia cystococcoidea. 



F. hypoleuca Vain. I. badioatro *L. Copelandi f. hypoleaco Vain. 

 Adj. Lich. Lapp. II (1883) p. 129. 



Apothecia minora, lat. circ. O.e — O.s ( — O.s) mm. Thallus tenuior, 

 verrucis O.2 — O.3 mm latis, cinereoalbidis albidisve, intus KHO lute- 

 scentibus. 



Distr. In reg. subalp. jugi Suoloselka in Lin. (Vain.). 



Verrucae baud pruinosae, subnitidae, laevigatae, contiguae et 

 partim subdispersae. Apothecia demum prominentia, margine sat tenui, 

 saepe demum excluso. Perithecium rubricoso-fuligineum aut partim 

 intus pallidum, KHO non reagens. Hypothecium rubricoso-fuligineum. 

 Epithecium aeruginoso- aut olivaceo- aut partim rubricoso-fuligineum 

 (in eodem apothecio, praesertim in partibus submorbosis), KHO parurn 

 reagens. Sporae demum aeruginoso-nigricantes, long. O.020— O.026, crass. 

 0.010—0.011 mm, medio constrictae, strato gelatinoso crasso. 



F. pallidofuscescens Vain. 



Thallus verrucis pallido-fuscescentibus, baud pruinosis nitidisque 

 aut parce cinerascenti-subpruinosis. 



Distr. Ad rupem dioriticam in regione mentis Ukonvaara in 

 Kuus. (Vain.). 



Thallus verrucis O.s — O.3 mm latis, laevigatis, intus KHO solu- 

 tionem luteam effundentibus, jodo baud reagentibus. Epithecium 

 fuscescens (simile in „B. Copelandi" Koerb. sec. descr.). Sporae 

 nigricantes, 1-septatae. Non sit autonoma species. 



Obs. 1. In specimine supra rupem dioriticam littoralem ad 

 Koroppi in Karelia Vien. occ. a me coUecto (etiam museo Voronesch. 

 misso) reactiones KHO productae variabiles sunt. Perithecium variat 

 intus dilutius coloratum et solutionem lutescentem effundens. Thallus 

 medulla KHO lutescente aut solutionem dilute lutescentem effundente 

 et demum dilutissime rubescente. Ad Rh. fiyperboreum accedens. 



Obs. 2. Rh. badioatrum *Jemtlandicum Malme (n. subsp.), Lich. 

 Suec. Exs. XVII (1914) n. 422, variatio insignis est Rh. Copelandi, thallo 

 fuscescente, areolis subplanis, I.2— O.5 mm latis, angulosis, intus KHO 

 lutescentibus, perithecio aeruginoso-nigricante fuscove (in eodem apo- 



