60 A. -M. HUE. 



1 11 Asia : in Japonia corlieolam legil R. P. Faurie in ins. Yeso, in Hakodaté, decembri 

 1896. 

 Thallus albidus, subtus concolor, cum rhizinis albidis; apotbecia atra et nuda. 



Viget insuper in Asia (China); in Africa borea et meridionali atque insuper in ins. Madera, 

 Madagascaria et Johanna; in America utraque ; in Oceania (Nova Zelandia) ; in Europa. 



340. Physcia aipoliaNyl. in Flora 1870, p. 38 etapud Hue Lich. exot. n. 973, Linds. 

 Mem. Spermog. filament. Lich. p. 244, tab. XIII, fig. 24-26 et 28; Lichen aipolius Ach- 

 Lichen ogr. suec. Prodr. (1798) p. 112; Parmelia aipolia Ach. Method. Lich. p. 209, 

 Lichenogr. univ. p. 477 etSynops. Lich. p. 215, Tulasne Mém. Lich. tab. I, fig. 8-16; 

 Physcia stellaris var. aipolia Nyl. Lich. Scand. p. 111, Th. Fr. Lichenogr. scand. p. 139, 

 Tuck. Synops. North Amer ic. Lich. I, p. 73 et Flag. Lich. Franche-Comté, n. 115 atque 

 Lich. algériens, exsicc. n. 22; Parmelia stellaris a aipolia Scheer. Lich. Helret. exsicc. 

 n. 350 ; Lobaria stellaris a. aipolia Hepp Flecht. europ. n. 877; Physcia stellaris Malbr. 

 Lich. lYorm. n. 25 et Oliv. Herb. Lich. Orne n. 117. 



In America : in Canada legit corticolam prope Otawa R. P. Couet, anno 1889. 



Thallus albide vel obscure cinerascens, orbicularis, plagas 2-5 cent, latas formans 

 sat late (comparatis vicinis speciebus) laciniatus, decumbens, membranaceus, opacus, 

 K supra obscure, et intus bene flavens ; laciniee 2-5 mm. lalee, e cenlro ad peripheriam 

 radiantes, contiguee vel subimbricatee, adpressœ, applanata? vel passimin centro convexœ, 

 lateraliter sat breviter ramosee, apice dilatâtes et profundius divisée, lobulis ambitu cre- 

 natis ; supra sub lente albide et grosse punclatee aut maculalee, ceeterum leeves et seepe ad 

 peripheriam vix maculalee ; intus albidse; subtus albidee vel pallide argillaceee alque 

 rhizinis cinerascenlibus aut nigris, parvulis et fulcrantibus munitee. Cortex superior 

 30-60 [x latus, albidus et in zonasuperiore corpusculisobscuratus, pseudoparenchymaticus, 

 ex hyphis superficiei perpendicularibus et pluri-septalis, cellulas raro rotundas, sa?pius 

 oblongas, 6-8 jx latas, pariete parum crasso et lumine teslaceo, formantibus atque stralo 

 amorpho, 7-8 |x lato tectis conslitutus. Gonidia 12-17 jx lata in strato ineequali et parum 

 inlerrupto sub cortice superiore sita. Medulla materia albida obtecta, ex hyphis 3-6 tx 

 crassis, superficiei parallelis etramosis; prope gonidia lacunoso-implexis et pauca gonidia 

 foventibus et dein stricte coadunatis constans. Cortex inferior 20-30 ;x latus, albidus, in 

 parte externa leviler brunneus,ex hyphis superficiei subperpendicularihus et subparallelis 

 atque in zona exteriore paucas cellulas oblongas horizonlalesqueofTerentibus conslitutus. 

 Apothecia 1-4 mm. lata, in cenlro sita et numerosa supra lacinias sessilia, cupuliformia, 

 excipulo leevi, margine integro aut crenulato, sat crasso atque disco obscure fusco vel 

 nigro praedita. Excipuli cortex in margine 40, in basi 90-140 |x latus, pseudoparenchy- 

 maticus et cortici superiori similis. Gonidia sub cortice, sub hypolhecio et interhyphas 

 gonidiales dispersa. Epilhecium rufescens aut subnigrescens ; hypolhecium albidum ex 

 hyphis septatis slricleque coadunatis constans, in margine continuatum et in parte 

 superiore pseudoparenchymalicum ; paraphyses 100 (x altee, 2 jx crassae, apicem versus 

 constricte septatee atque 3-4 cellulas 4-6 [x latas formantes ; thecee 80 vel 90 (x longa? 

 et 26 vel 24 [x latee et apice paulum incrassalse; sporœ 8 nœ , fuscœ, 1-septalee, loculis 

 angulatis, sat magnis, 24-28 p. longée et 10-13 p latee. Gelatina hymenialis iodo caerules- 

 cens. Spermatia non visa. (Mae notae ab exsiccato Schœr. n. 350 desumptae fuerunt : in 

 exemplaribus canadensibus paraphyses 2-2,5 jx crassœ, articulatse et in apice unicam 

 vel 2-3 cellulas formantes; sporœ 24-20 jx longœ et 13-15 [x latae.) 



kPh. stellari Nyl. thallo supra albo-maculato et interdum grosse rugoso atque reac- 

 tione facile secernitur. Ph. aipoliaNyl. collecl. Lind. n. 712, Ph. stellarisNyl. Prodr. 

 FI. Nov. Granat. éd. 2 a , p. 25 ad has species non pertinet, nam in hac thallus supra 



