350 Botanische Abteilung des k. k. naturhistorischen Hofmuseums. 



1259. Rinodina iowensis. 



A. Zahlbr. nov. spec. 



Thallus epilithicus, tartareus, sat crassus, 07 — 1*4 mm altus, areolato-squamu- 

 losus, squamulis congestis, parvis, haud 1 nun latis, planis vel subplanis, hinc inde sub- 

 lobatis, cinereus, KHO — , CaCl 2 2 — , in margine linea obscuriore non cinctus, ecorti- 

 catus, hyphis medullaribus dense intricatis et crebre septatis, non amylaceis, lepto- 

 dermaticis; gonidiis palmellaceis, majusculis, usque 30/i latis. Apothecia minuta, 

 o # i — 0*35 mm lata, innata, in areolis 1— 3, subrotundatis, difformibus vel fere maculi- 

 formibus, hinc inde confluentibus; disco plano ; nigro, opaco, thallum aequante; mar- 

 gine thallino tenuissimo, thallo concolore, haud prominulo, gonidia copiosa includente, 

 ad marginum fuscescente; epithecio umbrino-fusco, KHO lutescenti - fuscescente; 

 hymenio decolore, angusto, strato gonidiifera crasso imposito, 70 — 120/i alto, J coe- 

 ruleo-violaceo; paraphysibus dense confertiis, riliformibus, ad 2fx crassis, simplicibus, 

 cseptatis, apice utplurimum cellulis 2 subrotundato-clavaeformibus coronatis; ascis 

 oblongo- vel ellipsoideo-clavatis, hymenio paullum brevioribus, apice membrana 

 modicc incrassata cinctis, 8-sporis; sporis in ascis plus minus biserialiter dispositis, 

 fumoso-fuscescentibus, lateovalibus vel ellipsoideis, uniseptatis, sporoblastis rotundato- 

 5 angulosis, approximatis, 12 — 19 /t longis et g — 10 /t latis. Conceptacula pycnoconi- 

 diorum immersa; perithecio decolore; fulcris endobasidialibus, utplurimum simplicibus, 

 crebre septatis, ad septa parum constrictis; pycnoconidiis bacillari-oblongis, brevibus, 

 rectis, 3-5-4/4 longis et ad 1 f.i crassis. 



America borealis (United States): ad saxa granitica prope Fayette. 



leg. B. Fink. 



Rinodina iowensis gehört in die Sektion Eurinodina (Stzbgr.) Malme und ist 

 durch das unverhältnismäßig dicke Lager, die kleinen eingesenkten Apothezien und 

 breiten Sporen charakterisiert. 



1260. Physcia stellaris. 



Nyl., Prodr. Lieh. Galliae in Act. Soc. Linn. Bordeaux, vol. XXI (1856), p. 307 

 et in Flora, vol. LI II (1870), p. 38; Hue, Addend. Lichgr. Europ. (1886), p. 52 et Lieh, 

 extraeurop. in Nouv. Arch. Mus., 4° ser., tome II (1900), p. 58; Crb., Monogr. Lieh. 

 Britain, vol. I (1894), p. 3io; Oliv., Expos. Lieh. Ouest France, vol. I (1897), p. 181. 

 — Liehen stellaris Linne, Spec. Plant. (1753), p. 1144. — Parmelia stellaris Ach., 

 Meth. Lieh. (i8o3), p. 209; Arn. in Flora, vol. LXVII (1884), p. 168 et Lichfl. München. 

 (1891), p. 33. -- Physcia stellaris et) adpressa Th. Fr., Lieh. Scand., vol. I (1871), 

 p. i38; Stein apud Cohn, Kryptfl. v. Schles., Bd. II, 2. Hälfte (1879), p. 80. 



Bohemia: ad ramos Tiliarum prope Kaplitz. leg. O. de Müller. 



A d d e n d a : 

 44g b. Lecidea crustulata. 



Ach. 



Austria inferior: ad lapides prope Tullnerbach. leg. C. Rechinger. 



463 b. Cetraria Laureri. 



Krph. 



Tirolia: ad ramulos Abietum ad Hirschbrünnl in monte Glungezer supra Inns- 

 bruck, ca. 1700 m s. m. leg. J. Schuler et A. Zahlbruckner. 



