Brasilianische Flechten. 419 



Corticola prope Theresiopolin (Höhnel, Nr. 131). 



Auf die nahe Verwandtschaft der Parmelia catharinensis 

 zu Parmelia mutata Wainio hat bereits Wainio a. o. O. hin- 

 gewiesen. 



Parmelia carneopruinata A. Zahlbr. nov. sp., Tab. I, 

 Fig. 5. 



Thallus substrato arcte adnatus, fere placodiimorphus, 

 expansus, piagas usque 12 cim latas formans, membranaceus, 

 180 — 230 [X crassus, supra flavido-glaucas, in m argine cortice 

 continuo, dein reticulato-rugulosus et demum areolato-rimu- 

 losus, in centro sorediosus (sorediis plerumque subcapitatis, 

 sat parvis, 0*5— Iww latis, non confluentibus, thallo con- 

 coloribus) et ibidem lobulis thallinis junioribus minoribusque 

 adpressis contectus; intus albus; subtus niger, opacus, in 

 margine anguste castaneus, undique rhizinis crebris, nigris, 

 brevibus (vix O'bmfn longis) simpHcibus vel ramosis obsitus; 

 subdigitatim vel pinnatifido-laciniatus, rarius subdichotomus, 

 laciniis confluentibus, inaequaliter dilatatis et sinuato-lobatis, 

 4 — 7 mm longis et 2 — 4 mm latis, lobis lateralibus sat parvis, 

 inaequalibus, lobis apicalibus magis rotundatis et incisis, non 

 adscendentibus; KHO extus flavescens, intus non reagens, 

 CaClgOa intus et extus immutatus; strato corticali superiore 

 pseudoparenchymatico, diluto, 17 — 18[x alto, loculis in seriebus 

 verticalibus 4 — 5; strato meduUari stuppeo ex hyphis 1 '7 — 2 [x 

 crassis pachydermaticis formato, strato corticali inferiore 

 superiori aequicrasso, fusconigro; gonidiis globosis, 8 — 10 [x in 

 diam., in zona latiuscula disposita. 



Apothecia supra thallum sparsa, dispersa vel approximata 

 et dein parum difformia, sessilia, parva, 2*5 — 3'5m,m lata; 

 primum urceolata, dein inaequali-concava; disco dense carneo- 

 pruinoso; margine thallino tenui, modice inflexo, undulato vel 

 leviter sinuoso et plus minus crenulato; receptaculo extus sub- 

 laevi, Strato medullari infra Stratum corticale et infra hypo- 

 thecium gonidia continente; epithecio granuloso-pulverulento, 

 fulvescente, inaequali (usque 25 {x alto), KHO et CaClaOg im- 

 mutato; hypothecio pallido, lutescente, 24 — 28 [jl alto; hymenio 



