— 243 — 



Ü. li. rrenulata (iJicks.) Wain., Lieh. Cauca.s. (1899) p. 288. 



Var. caesioalba (Koerb.) Tli. Fr., Lieh. Scand. (1871) p. 252. 



Ad rupem in angustiis Koï-Jol in niontibus Alai in provincia Fer- 

 ghana (n. 1613) et in planitie arida ad lacum Jashil-Kul 3800 m. s. m. 

 in Pamir (n. 860) lecta ab 0. Paulsen. 



10. li. umbrina (Ehrh.) Mass. 



Var. umbi'inofusca (Hoßm.) Wain., Lieh. Gaueas. (1899) p. 289. 

 In trunco Junipori ad pratum Olgin-Lug in montibus Alai, 2600 m. 

 s. m.. in provincia Ferghana (0. Paulsen). N. 513. 



11. L. melanocheila Wain. (n. sp.). 



Thallus crustaeeus, uniformis, crassiludine mediocris, circ. 0,.5( — 0,7) 

 mm., verruculoso- et ruguloso-inaequalis, areolato- vel rimoso-dilïractus, 

 esorediatus, sat opacus, pallide albidus, KHO demum leviter lutescens, 

 GaCl., Oo non reagens, at his reagentiis unitis lutescens, hypothaJlo albido, 

 parum distincto, medulla jodo non reagens. Apothecia circiter 0,G — 1,2 mm. 

 lata, aut rarius demum — 3 mm. lata, adpressa aut demum peltata, 

 disco vulgo planiusculo, nigro, opaco, nudo, aut raro demum tenuissime 

 subpruinoso aut livido-nigricante, excipulo basin versus et subtus thallo 

 concolore, margine mediocri, nigricante, subintegro. Excipulum in margine 

 exlus cyanescens, KHO virescens, intus albidum et gonidia continens, strato 

 corticali ex hyphis iiregulariler radiantibus ramoso-connexis constante, 

 cavitate ceilularum oblonga, angusta, membranis eongjutinatis, incrassalis, 

 in KHO turgescentibus. Epilhecium cyanescenti-fuligineum . KHO sma- 

 ragdulo-fuligineum. Hymenium circ. 0,0")<) mm. crassum, dilute sordide 

 caerulescens, jodo persistenter intense caerulescens. Paraphyses arete 

 cohaerentes, sat crassae, septatae, apice leviter clavatae. Asci clavati. 

 Sporae 8:nae, distichae, décolores, ellipsoideae aut ovoideo-ellipsoideae, 

 simplices, long. 0,008 — 0,009, crass. 0,004—0,00-5 mm. Pycnoconidangia 

 thallo immersa aut apice leviter emergentia, macula nigricante iudicata, 

 conceptaculo caeruleo-nigricante. Sterigmata brevia, pauciartieulata, con- 

 stricta. articulis vulgo ellipsoideis, circ. 0,003—0,005 mm. crassis, vulgo 

 aeruginosis, apice et latere pycnoconidia efferentia. Pycnoconidia acicu- 

 laria, altere apice vulgo leviter attenuate, altero obtuso, recta aut leviter 

 curvata, long. 0,014—0,012 (rarius —0,007) mm., crass. 0,0015 — 0,001 mm. 

 Habitu L. atrosulphuream (Wahlenb.) in memoriam revocans, at colore 

 ab ea differens. 



Ad Tjuss-Aschu (13500' s. m.) in Talas-Alatau in Tjanschan (B. 

 Fedtschenko). Fert. 



12. L (Aspicilia) calcarea (L.) Sommerf. 



Var. HofTiiiunni (Ach.) Sommerf., Suppl. Lieh. Lapp. (1826) p. 102; 

 Th. Fr., Lieh. Soand. (1871) p. 275. 



Apothecia in margine gonidia continentia, infra hypothecium gonidii.s 

 destituta. 



