400 



A. Z:\HLBRUCKXER 



I. Sporae siphoniatae B. siphoniatula. 



II. Sporae simpliciter uniseptatae. 



i. Thallus KHO sanguineus B. fernandeziana. 



2. Thallus KHO — />. halophila. 



*B. concinna Th. Fr. 



Th. Fr. in Nova Acta Reg. Soc. Scient. Upsal., ser. 3, vol. Ill, 1861, p. 332 

 et Lichenogr. Scand., vol. I, 1874, p. 600. — Lecidca concinna Stzbgr. in Bericht. 

 iiber die Thiitigk. St. Gallisch. naturw. Gesellsch. 1874 — 1S7 5, 1876, p. 236; Nyl., 

 Lich. Pvren. Orient., 1891. p. 36. 



*var. oceanica A. Zahlbr. nov. var. 



A planta europaea differt in eo, quod medullae hyphae pro majore vel 

 pro minore parte Iodo violaceo tinguntur et sporis paulum minoribus. 



Thallus crustaceus, uniformis, tartareus, cervino-ochroleucus, nitidulus, 

 KHO flaveus, CaCl 2 2 bene lateritius, substrata laxiuscule adhaerens, maculas 

 irregulares formans, verruculoso-areolatus, areolis alte convexis, 0,3—0,5 mm 

 latis, confertis, subangulosis vel rotundatis, marginalibus paulum longioribus et 

 angustioribus, in margine linea obscuriore non cinctus, sorediis et isidiis de- 

 stitutes. 



Apothecia in superficie verrucarum thalli sessilia, solitaria vel rarius bina, 

 nigra, opaca, minuta, 0,25 — 0,45 mm lata, mox convexa, margine hand conspicuo; 

 excipulum crassum, fuligineum, versus hymenium fuscum et N0 5 fusconigrum; 

 hymenium purum, superne anguste obscure fuscum, inferne dilute aeruginoso- 

 fuscescens, 100 — 1 10 ;j. altum; paraphyses simplices, eseptatae; sporae in ascis 

 subuniseriales, fuscae, uniseptatae, late ellipsoideae vel ovales, rectae, ad septum 

 non constrictae, 8,5 — 10,5 ;j. longae et 5 — 5,5 ;j. latae. 



Santa Clara: Mono de los Aleh'es, auf hartem Gestein (C. und I. 

 Skottsberg). 



*B. siphoniatula A. Zahlbr. nov. spec. 



Thallus crustaceus, uniformis, tenuissimus, ochraceo-cinerascens, opacus, 

 KHO — , CaCl 2 2 — , KHO + Ca C1 2 2 — , fere continuus, siccus minute sub- 

 areolatus vel subleprosus, madefactus subverruculoso-inaequalis, in margine 

 linea tenui nigricante cinctus, sorediis et isidiis destitutus; superne strato cor- 

 ticali pertenui obductus; medulla albida, ex hyphis non amylaceis formata; 

 stratum gonidiale continuum vel subcontinuum, cellulis globosis, dilute et laete 

 viridibus, 7,5 — 9 a latis. 



Apothecia lecideina, adpresse sessilia, parva, 0,5 — 0,8 mm lata, nigra, 

 nitidula, primum concava, margine proprio tenui et integro cincta, demum le- 

 viter convexa margine paulum depresso; excipulum integrum, carbonaceum, 

 infra hymenium angustatum; hypothecium tenue, fuscum; hymenium superne 

 nigricanti-fuscum, KHO — , N0 5 — , non inspersum, caeterum decolor et purum, 

 80 — 90 \i. altum, I intense violaceo coeruleum; paraphyses filiformes, gelatinoso- 



