of some Lichens. 271 



Aspicilia mirabilis, Mer. 



Mereschkovsky, Contrib. fl. lich^nol. d. 1. CrimiSe, Aiid. d. 6C. nat. 

 Botanique, 1921. 



Thallus determinatus, crassiusculus, csesio-ciuereus, punctis obscuris 

 adspersus, laevigatas, subnitidus, rimoso-areolatus, ambit-u sub- 

 effignratus, areolis quadrangulis in radiis margine versus dicho- 

 tomise subdivisis et plus minusve in lineis concentricis regulariter 

 dispositis. Fulcribus valde ab Aspicilia asUrias, Mer., differfc. 

 Ad saxa calcarea (circ. 1000 m. altit.). 



Spec. orig. (unicum) in herb, nieo Kazani. 

 Tauria. 



Candelaria medians, forma sordida, M'T. 



Mereschkovsky, Contrib. fl. lichen, d. 1. Crim^e, Aun. d. sc. nat. Bo- 

 tanique, 1921. 



Thallus indeterminatus, valde expansus, crassiusculus, difFracto- 

 areolatus, subverrucoso-insequalis, griseo-luteus, sordidus, lobis 

 obsoletis. Keactio tballi KOH — . In rupibus calcareis. 



S/)ee. orig. in herb, nieo Kazani. 

 Tauria. 



CandelariMa vilMina, var. pulvinata, forma maoriorj Mer. 

 Mereschkovsky, Nachtr. z. Flechtenl. Umgeg. Rerals, Kazan, 1913. 



Granulis thalli valde majoribus quam in YSiV. pidvinata typica. Ad 

 saxa erratica. 



Spec. orig. in lieib. meo Kazani. 

 E~thlaiidia : Keval. 



Thelosohistes brevior, var. ca/^picus, Mer. 



Thallus brevis, 1-1| centim. altus, pallide carneo rufesceng vel 

 rufescens (terra concolor?), superne glaber, opacus, subtus 

 pallidior, albicans, baud nervosus, dichotomice laciniatus, laciniis 

 convolutis, angustis, liuearibus, convexis, circiter 1 millim. latis 

 vel paulo majus, canaliculatis, apicibus subtruncatis. Steriiis. 

 Supra terram argillosam. 



Spec. orig. in herb, raeo Kazani. 

 Baku, Caucasus. 



