E. WAINIO, LICHENES PROPE PITLEKAI COLLECTI. 135 



decolores, simplices, ellipsoideae. apicibus rotundatis, long. 

 Ü.010 — 0.015, crass. 0.007 millim. Conceptacula pycnoconi- 

 dioruni verrucas 0,100 — 0,090 millim. latas formantia, aeru- 

 ginoso-nigricantia. Sterigmata pauciarticulata, basi brevi 

 crassiore, apicem versus sensim attenuata, articulo apicali 

 filiformi. Pycnoconidia filiformia, subspiraliter bene curvata, 

 long. 0,020 — 0,024, crass. O.ouOT millim. 



Ad saxa gneissacea in peninsula Jinretlen. 



47. L. subcongrua Wain., Adj. Lieh. Lapp. II (1883) 

 p. 97, Lieh. Sib. Merid. (1896) p. 19, Exp. Antarct. Beige 

 Lieh. (1903) p. 34, Lieh. Exp. Amdrup (1905) p. 138 (Nyl., 

 Fl. 1874 p. 11). 



F. terrigena Wain. 



Thallus sat tenuis. Hypothecium albidum, ex liyphis 

 erectis formatum, jodo caerulescens. Hymenium jodo per- 

 sistenter caerulescens. Epithecium aeruginoso-fuligineum. 

 Paraphyses arete cohaerentes, pr. p. increbre ramoso-con- 

 nexae, eavitatibus cellularum tenuissimis, membranis gela- 

 tinosis, in KHO turgescentibus. Sporae ellipsoideae, apici- 

 bus rotundatis, long. 0,017 — 0,018, crass. 0,007 — 0,009 millim. 

 Pycnoconidia incognita. — Vix nisi statione a L. subcongrua 

 differens. 



Ad terram arenosam in regione orientem versus a littore 

 lacunarum sita. 



48. L. subcongruella Wain. (n. sp.). 



Thallus crustaceus, crassitudine mediocris aut sat tenuis, 

 verruculoso-inaequahs, sorediis destitutus, osseo-glaucescens 

 (hand chstincte stramineus), KHO leviter f lavescens, CaCLO^ 

 non reagens, his reagentiis unitis leviter aurantiacus, jodo 

 non reagens. Apothecia adnata, 0,3 — 0,2 millim. lata, jam 

 primo convexa immarginataque, livido-nigricantia aut raro 

 nigra, opaca. Hypothecium albidum, jodo caerulescens, ex 

 hyphis erectis formatum. Hymenium jodo persistenter cae- 

 rulescens. Epithecium sordide smaragdulum aut partim pal- 

 lidum. Paraphyses arete cohaerentes, apice leviter incras- 

 satae, parce ramoso-connexae, membrana in KHO leviter 

 turgescente gelatinosac[ue. Asci clavati, apice membrana 

 incrassata. Sporae 8:nae, distichae, simplices, decolores, 

 ellipsoideae, apicibus rotundatis, long. 0,010 — 0,012, crass. 

 0.005 — 0,007 millim. Pycnoconidangia tliallo semiimmersa, 

 circ. 0,070 millim. lata, conceptaculo c^'anescente. Sterig- 



