122 A. HUE. 



lab. I, fig. s. zcParerg. lichenolog., p. &G, atque Arn. Lichenolog. Ans/?. Tirol, XX, p. 31, 

 in Verhandl. zoolog.-bot. Gesellsch. Wien, I. XIX, 1879, p. .'Ml ; Lecanora rutilans Nyl. 

 Prodr. Lichenogr. Gall. et Alger. (1857), p. 80. 



Exsiccaturn in herb. meo : Harpidium rutilant Kœrb., Arn. Liclx exsicc. a. 1 108, a, b. 



Thallus rubescens vel fusco rubens, lenuis, opacus et squamulosus ; squamulae o.ï-O.ij 

 niill. latae, in centro rotundae, discreta? aut contiguae, in peripheria paulum longae radian- 

 tesque, plagulas irregulares, mine pro parle confluentes, mine semiorbiculares supra saxum 

 formantes; in superficie la?ves; lateraliter et sublus obscure rubentes atque saxo anguste 

 adhaerentes. Cortex superior 10-30 et etiani 50 y. Latus, violaceo vel fusco rubens ac hydrate 

 kalico obscure caeruleus (idem color et eadem reactio in squamularum latere el in 

 basi saxo non adhaerente); in eo hyphœ fastigiatœ, 5-7 pi crassae el in apice8-10 y. metientes, 

 parum arcte coadunata;, articulata? articulis plcrumque sphaericis, lumine 4-6 y. lato, mine 

 verticales et non ramosae, nunc ramos brèves emittentes ; ultimae cellulae interdum protoplas- 

 mate orbatae vel hyphae sursum normales et zona 5-20 a lata, eliam absque protoplasmate, 

 obtecta?. Gonidia flavo viridia, cystococcoidea, 10-15 et passim 17-22 y. lata, stratum satis 

 crassum sub cortice formantia et pauca in medullam descendentia ; interea hypbae sphaerice 

 articulata? et meatus prœbentes. In medulla hyphœ 4-8 y. crassae, lumine 2-6 y. lato, articu- 

 lata? articulis aut sphaericis aut paulum oblongis. Apolhecia singula in singulis squamulis 

 innata, et disco thallo concolore prœdita. In perithecio incolorato et iodo caeruleo, inferne 'i<>. 

 lateraliter 20 et in margine 20-40 y. crasso, hyphœ laxe coalita?, horizontales et in margine ver- 

 ticales et flabellatœ ; gonidia sub eototo vigentia. Paraphyses hyalinas, sursum obscure ruben- 

 tes et hydrate kalico cœruleœ, 80 y. altae, 5-6 y. crassae, recta?, arcte cohœrentes, monilifOnni 

 articulatae articulis 5-6 et inapice 3,75-i,50y.lohgis cuin sepimenlis crassis et lumine 2,5-3, el 

 in apice 3,75-4 p. lato, parce ramosae et iodo cœruleœ. Theca 3 25-30 y. longae, 12 y. latae, mem- 

 brana tota incrassata, basin versus attenuatae ; sporae senœ vel octonœ, hyalime, simplices, 

 subfalcatœ, apud Arn., loc. citât., 12-14 y. longae et 4-5 y. latae. Spermatia apud Th. Fr. 

 Gène?', heterolich. enrop. recogn.,p. 66, oblongo ellipsoidea, minuta; sterigmata simplifia. 



Species cum cœteris Acarosporis aspectu externo structuraque conveniens, sed forma 

 numeroque sporarum recedens. 



Observata fuit tan lu m in Gallia (Hérault), in Germania, in Hungaria el in Tirolia ; saxicola. 



b. — Sporse 24-50 in quavis theca et rectse. 



498. Acarospora oligospora Wedd., Floride Lich. laves d^Agde, p. 17, in Bull. 

 Soc. Bot. France, t. XXI, 1874, et Arn., Lich. frankisch. Jura, p. 101, in Flora 1884; 

 Lecanora oligospoi^a Nyl. Collect. lichenolog. Gallia merid. et in /'g rai., p. 14, in .Xyu 

 botaniska Notiser, 1853, et Prodr. Lichenogr. Gall. et Alger., p. 80 ; Zeora cervina a. 

 glebosa Flot. Lich. Flor. Silesise, p. 48, n. 20, inJahresb. schles. Gesellsch. Naturk., 1849, 

 leste Kœrber ; Acarospora glebosa Kœrb. System. Lich. Gcr/n., 1855, p. 156, et Th. Fr. 

 Lichenogr. scand., p. 214 ; Myriospora glebosa Hepp, Fléchi. Europ. (1860), n. 612, in 

 herb. meo. 



Thallus vel fusco brunneus, vel pallide alutaceus, squamulosus, opacus el reagentibus 

 solitis immutatus ; squamulae 0,5-1,5 mill. latae, parum crassae, rotundatae aul paulum angu- 

 latœ, dispersa? vel contiguae ; in superficie laeves; sublus saxo 1ère e_\ toto adhaerentes. Cortex 

 superior hyalinus et sursum in zona angusta brunneus, 20-70 y. lalusac strato hyalino 

 10-20 p. crasso obtectus; in eo hyphœ fastigiatœ 5-9 y. crassae, articulatae articulis brevibus aul 

 parum longis (4-8 y. longis), parcissime ramosae et in apice rotundatae ; in zona hyalina ex- 

 terna hyphae plerumque protoplasmate orbatae. In cortice laterali el inferiore 15-20 y. lato, 

 hyphae magis obliqua?. Gonidia viridia, protococeoiilea, 8-16 y. lata, membrana incrassata, 



