154 A. HUE. 



riibcns ; in co liyphae intricatae, 5-G u. crassae, arcte coalitœ, articulatae articulis sphaeroideis, 

 luinine 3-3,5 [a lato, atqiie in zona e.xterna 4-0 u, lata, protoplasmate fere orbatae. Gonidia 

 \iridia, protococcoidea, 8-15alata,membranapariHncrassa, in glomcriiUssubcorlice vigenlia. 

 Ilypliœ niedullares varie directœ, septatie et gonidia sœpe continentes et in basi angustœ, 

 horizontales et stricte conglutinatae. Apothecîa 0,3-0,5 mill. lata, supra thallum paulum 

 elevata, plerumque dispersa, passim contigua, rotiindata et rare angnlata, in basi constricta, 

 perithecio obscure fiavido et sœpe alrato, margine disco paliidiore, hune prirnuni leviter 

 superante et dein œquante atque disco flavido aut pallido aurantiaco, piano et demum leviter 

 convexo instructa. In peritliecioSO acrasso, in zona externaatrato et hydrate kalico rubente, 

 hypha" fastigiatœ, in margine flabellatœ,articulat8e articulis spha-roideis, luniine 2-2,5 a lato, 

 atque sub gonidiis, stratum parum crassum sub hypothecio formantibus, paulum incrassatœ, 

 verticales et obliquae, lumine 3-4 a lato, sicque corticem 10 a crassum efficientes. In hypo- 

 thecio incolorato duplex zona, in supera altéra crassiore hyph» articulatae articulis oblongis aut 

 sphaeroideis, lumine 2-3 vel 4-5 a lato, atque lateraliter horizontales. Paraphyses hyalinœ, 

 sursum rotundatœ et granula flavida, hydrate kalico rubro dissoluta continentes, tiO-TOaaltœ, 

 3-4 et in apice 5-6 [x crassœ, parum arcte cohœrentes, articulata» articulis 5-7 [x. longis, supe- 

 riore 4-6,5 [xmetiente, dissepinientis crassis et lumine 2,5 et in ultimo articulo 3-5 [x. lato, 

 vel breviter in ultimo, vel longius in penultimo aut in antepenultimo septo lurcatœ atque 

 iodo cœruleœ. Thecœ 50-60 [i longae et 13-14 [jl latœ, superne incrassatae et in basi breviter 

 caudatœ, massa sporali superne apiculata; sporae octonœ, hyalinœ, distichœ, simplices et polo- 

 cœlee, cavernulis 3-4 [x longis ettubulo axillo jmctis, 11-14 jjtlongœ et 6-7,50 a latœ, immixtis 

 8,75-10 pi longis et 7-7,50 (x latis. 



Species uiere europœa ad saxa vigens in Britannia-Majore (Anglia, Hibernia ac ins. Wight) ; in 

 Gallia (in viciniis Lutetiœ Parisiorum et in regione Lemovicensi) atque in Germania (Gottingue 

 et Heidelberg). 



791. Lecidea lamprocheila Hue ; Patellaria lamprocheila DG. in Lam. et DC., F/. //•.. 

 t. II (1805), p. 557; Lecannra lamprocheila Nyl. apud Lamy de la Chapelle, Catalog. Lh-h. 

 Mont-Dore (1880), p. 6, et in Wn^Lich. exot.. n. 1221) ; Placodium ferrucjincum var. lani- 

 procheilum Wain. Lic/i. Caucas., in Termesz. Fusef. (1899), p. 298; Lecidea cxsiorufa 

 p. festiva kch. Synops. melhod . Lich. (1814), p. 44,teste Th. Fr. ^/c/(e/io,7/'. scand., p. 186, 

 Observ. '2; Placodium festivum Anzi Calalog. Lich. prov. So?idriens. (1860), p. 143, 

 in Atti Soc. ital. scienz. nat., t. XI; Blastenia festiva Mass. Synops. Lich. blaste- 

 niosp., p. 14 et fîg. 25, in Flora 1852, p. 574, Arn., Lichenolog. Fragm. XXY, p. 10, in Flora 

 1881, p. 314, tab. VI, fig. 10-12. 



Exsiccata in herb. meo : Lecanora lamprocheila Nyl., Zwackh Lich. exsicc, n. 704,753 

 eiloà^ ; Blastenia lamprocheila Arn. Lich. exsicc, n. 1106; Caloplaca hunprocheila 

 Flsg., Lich. Franche-Comté, n. 411, et Lich. algériens, exsicc. n. 70 ; Placodium festivum 

 Anzi Lich. rarior. Langobard., n. 272. 



Thallus cinerescens vel passim (Algis) obscuratus, tenuis aut tenuissimus vel adhuc fere 

 defîciens (sub apotheciis tantum exstans). opacus, areolatus areolis rugulosis, nunc con- 

 tiguis, nunc et sœpius dispersis. Cortex 10-20 jx latus, nudus aut sursum obscuratus et 

 hydrate kalico non mutatus; in eo hyphœ nunc fastigiatœ, nunc intricatœ, parum distincts, 

 articulatœ articulis brevibus, lumine 3-4 u. lato, et in strato 2-3 u. crasso protoplasmate 

 orbalœ. Gonidia pallido viridia, protococcoidea, 10-18 ij. lata, membrana parum crassa stra- 

 tumque angustum vel glomerulos sub cortice formantia. Hyphœ medullares vel in strato 

 angusto dispositae vel déficientes. Apothecîa 0,4-0,6, rarissime 1 mill. lata, supra thallum 

 elevata, nunc dispersa et rotunda, nunc vel aggregata vel in glomerulis disposita et angulata, 

 passim in rimis schisti seriem unicam formantia, raro lobulata, in basi constricta, perithecio 

 disco concolore vel paliidiore, margine primuni elevato et inlegro, dein discum paulum 



