EDV. A. WAINIO. REAGTIONES LICHENUM J. MUI.LERI ARGOVIENSTS. 5 



forma fere sicut in P. sublcevigata Wain., apicibus laciniarum adpressis adna- 

 tisque, subtus nigricans, rhizinis brevibus crebris instructus-, ad ambitum 

 anguste denudatus, K H superne flavescens, intus lutescens, Ca CI2 O2 non rea- 

 gens. Apothecia disco glauco-pruinoso aut demuQi denudato lividoque. 



P. ecaperata Müll. Arg., Lieh. Beitr. (1891) n. 1651. Thallus superne fla- 

 vescens, centrum versus isidiis angustissimis instructus, subtus fusconigricans 

 vel fuscorufescens, fere usque ad ambitum rhizinis brevibus crebris obductus, 

 laciniarum forma fere sicut in P. quercina {P. tüiacea Nyl.) aut accedente ad 

 P. lœvigatam, internodiis brevibus, apicibus retusis, K H superne latescens, 

 intus non reagens, Ca CI2 O2 non reagens. 



P. rutidota Tay), in Hook. Lond. Journ. of Bot. (1844) p. 645. In speci- 

 mine orig. in herb. Müll, thallus K H superne vix reagens, intus non reagens, 

 Ca CI2 O2 non reagens aut addito K H passim intus levissime lutescens, in alio 

 specimine e Nova Hollandia (ex hb. Hampe) neque K H 0, nee Ca C!2 O2 reagens. 

 Thallus superne flavescens, esorediatus, isidiis destitutus, habitu P. cylisphorœ 

 (Ach.) Wain. (P. caperato Th. Fr.) minoris^ laciniis adpressis aut parum adscen- 

 dentibus, subtus ad ambitum sat, late nudis, centrum versus rhizinis brevibus 

 increbris parce evolutis. Apothecia disco fusco-rufo, nudo. Diversa est P. ochro- 

 leuca Müll. Arg., 1. c. n. 409 (1352). 



P. ochroleuca Müll. Arg., 1. c. (1882) n. 409 (n. 1352), f. sorediosa Müll. 

 Arg., 1. c. (1883) n. 574, thallo soredioso instructa, autonoma est species, quae 

 nuncupanda est P. ochroleuca. 



P. microspora Müll. Arg., Lieh. Neo-Grenad. (1879) p. 14. Thallus stra- 

 mineo-albidus, sat opacus, sorediosus, subtus centrum versus nigricans, ambitum 

 versus castaneus aut testaeeus, fere usque ad marginem rhizinis instructus, K H 

 superne leviter flavescens^ intus lutescens et demum sanguineo-rubescens,CaCl2 02 

 non reagens, habitu subsimilis P. mhlœvigatœ Wain., at affinis P. conspersce. 

 Apothecia cupularia. 



P. reiicinula Müll. Arg., Lieh. Beitr. (1882) n. 412. Thallus flavescens, eso- 

 rediatus, isidiis destitutus, habitu P. ambiguœ, laciniis majore parte valde angustis^, 

 K H superne leviter flavescens, intus non reagens, Ca CI2 O2 non reagens. 



P. limbata f. endococcinea Müll. Arg., 1. c. (1887) n. 1149. Thallus fla- 

 vescens, passim parce verruculis isidiiformibus instructus, esorediatus, ramiflca- 

 tione sicut in P. lœvigata, niedulla alba et passim raorbose rubescens, KHO 

 .superne hüesceus et demum rubescens, intus lutescens et demum rubescens. 



P. Limbata Laur. f. isidiosa Müll. Arg., 1. c. (1887) n. 1075. Thallus fla- 

 vus, isidiosus, raraificatione fere sicut in praecedente, KHO superne vix reagens 

 aut dilute flavescens, intus lutescens et demum aurantiaco-fulveseens. 



P. Glaziovii Müll. Arg., Lieh. Sebast. (1889) p. 353, a P. Brasüiana Nyl., 

 Fl. 1885 p. 611 (Wain., Etud. Lieh. Brés. I, p. 50), non diflert. Thallus albus 

 (nee « aibido-flavicans»), KHO superne non reagens, intus leviter lutescens, at 

 addito Ca CI2 O2 distincte lutescens. 



