LICHENES EXTRA-EUROPE!. SI 



334. Candelaria stellata Mail. Arg. Lich. Beitr. (1887) n. U5ï ; Parmelia fibrosa p 

 stellata Tuck. Lich. Americ. septentr. exsicc. (1854) n. 88; Physcia fibrosa Nyl. Synops. 

 Lich. I, p. 412 et apud Hue Lich. exot. n. 1266 (exclus, synom. fibrosa Fi.) ; Ph. fibrosa 

 Zw. Lich. exsicc. n. 514, ex Uruguay; Theloschistes concolor Tuck. Synops. Nortli 

 Americ. Lich. I, p. 51 pr. p. 



In America : 1. in Canada legit R. P. Couet ad corlices prope Otawa, anno 1888. — 

 2. In Ohio ramulicolam legil Sullivant. — 3. In Uruguay, prope Montevideo legit cl. Cour- 

 bon supra Cereum peruvianum, martio 1853. 



Thallus citrinus vel cinereo-flavens, procumbens, orbicularis, plagulas 1,5-3 cent, latas 

 formans, tenuis, opacus, anguste lacinialus, K non mutatus; lacinise 0,2-0,5 mm. latse, 

 radiantes, elongatse, profunde et angustissime lacinulatœ,lacinulis discretis et simul cum 

 laciniis primariis microphyllino-dissectis, nudis, seu nec sorediatis, nec isidiatis; supra 

 planas et lsevigatse ; sublus albidae atque rhizinis parvis concoloribusque substrato affixae. 

 Cortex superior 15-20 jj. latus, superne in zona angusta corpusculis obscure flavis reple- 

 tus, pseudoparenchymaticus seu ex hyphis superficiei perpendicularibus, 3-septatis, 

 cellulas rotundas vel angulato-oblongas, pariete tenui, lumine 5-9 j/. lato formantibus, 

 constans. Gonidia cum hyphis gonidialibus, laxe implexis, materia subnigrescente tecta, 

 10-12 jx lata inter utrumque corticem sita et inde medulla deficiens. Cortex inferior 

 40 [x latus et cortici superiori similis, sed omnino albidus. Apothecia in centro numerosa, 

 peripheriam versus rariora, 0,2-0,4 mm. lata, supra lacinias sessilia, margine integro 

 thallo concolore, in basi setulis parvis albidisque vulgo ornato atque disco magis flavo 

 praedita.Excipuli cortex 15-20 jj. latus et eodem modo ac cortex superior conslitutus, sed 

 in margine cellulœ multo minores; hypothecium albidum ex hyphis stricte contextis 

 constans; epithecium fiavidum, granulosum etK non dissolutum; paraphyses 100 <j. alise, 

 2-2,5 u. crassse, articulala?, simplices et apice incrassake, 4-5 ;x melientes; thecse basim 

 versus attenuatse, 70 p. longée et 30 jx latse ; sporse in Ihecis numerosse (saltem 30 vel 40), 

 hyalinae, simplices (interdum sepimentum simulatur, sed adhibito colorante agenle, haec 

 visio destruitur) 9-10 p. longse et 4-5 [*. latse. Gelatina hymenialis iodo cserulescens. Sper- 

 mogonia non visa. 



Affinis C. concolori (Dicks.)Arn. a qua laciniis magis elongatis, magis discretis, margine 

 nec isidiatis, nec sorediatis atque apotheciis in eorum basi setis albis ornatis recedit. 



Viget insuper in Africa tropica orientali et in America cum septentrional!, quum meridionali, sed 

 non australi. 



335. Candelaria fibrosa Mûll. Arg. Lich. Beitr. {1881) n. 1154 etLich.Miyosh. p. 131 ; 

 Parmelia fibrosa El. Fries Syst. Orb. veget. (1825) p. 284, non Physcia fibrosa Nyl. (conf. 

 supra n. 334). 



In Asia : 1. in Japonia legit R. P. Faurie corticolam muscicolamve in ins. Rebunshiri, 

 n. 9480, 23 maii 1893 ; in ins. Yeso, in Hakodate, n is 7 et 120, decembri 1896 et martio 1897, 

 in monte Sapporo, n. 76, februario 1897; in ins. Nippon, in Aomori, n is 219 et 442, 

 martio et aprili 1897, in castello Hirosaki, n. 212, aprili 1897, in Kuroiski, n. 1180, maio 

 1899, in Hachinohe, n. 1262 et in Kodzuya, n. 1306, aprili 1899. — 2. In China, prov. 

 Yun-nan legit R. P. Delavay corticolam in sylvis Houang-li-pin supra Ta-pin-tze, 2 martii 

 1890. 



Tlialliis citrinus vel vitellinus aut aurantiacus, prostratus, vulgo efîusus, in China (f. 

 callopizodes Nyl.) orbicularis, et tune rosulas 1-2 cent, latas formans, satis crassus, opacus, 

 laciniatus, K non mutatus ; lacinise 2-3 mm. latse, brèves, ambitu non profunde lacinulatrc 

 et tantum crenalse, in peripheria speciminum placodiosorum subimbricatse et apice etiam 

 crenatse ; supra parum insequales, laevigatse vel (in Japonia) conferle et tenuissime isidiatae ; 



