420 A. Zahlbruckner, 



pallido, 60 — 65 [x alto, I coerulescente et demum fulvescente 

 (ascis imprimis tinctis); paraphysibus filiformibus, gelatinam 

 haud abundantem percurrentibus, simplicibus; ascis oblongo- 

 clavatis, hymenio brevioribus, 51 — 54 [x longis et 10 — 15{xlatis, 

 apice membrana non incrassata, 8-sporis; sporis in ascis sub- 

 biserialiter dispositis, ovalibus vel late ellipsoideis, hyalinis, 

 simplicibus, 10 — 12 [x longis et 5 — 6 [x latis, men^ibrana tenui 

 cinctis. 



Pycnoconidia non observata. 



Corticola ad truncos arborum in horto botanico Janeirensi 

 (Höhnel, Nr. 164). 



In die Sect. HypotrackynO^^ Cyclockeilae Wainio (Etud. 

 Lieh. Bresil, I, p. 47) gehörig zeichnet sich Parinelia carneo- 

 prtunata durch das schwach gelbliche^ rissige Lager und durch 

 die bereiften Scheiben der kleinen, fast lecanorinischen Apo- 

 thecien aus. 



Parmelia isidiophora A. Zahlbr. nov. sp. Tab. II, Fig. 2. 



Thallus superne glaucescenti-albidus, opacus, intus albus, 

 inferne castaneo-nigricans, ambitu sat late castaneus, excepta 

 parte marginali sat angusta rhizinis brevibus nigrisque munitus, 

 expansus, usque \b cm latus, substrato arcte adhaerens, 

 coriaceus, 0'2 — 0'3 mm crassus, irregulariter laciniatus, 

 laciniis modice inaequalibus dilatatis, sat latis (3 — 7 mm^), ad- 

 pressis, confluentibus, in apice inciso- vel anguste sinuato 

 lobatis, lobis rotundatis, versus marginem anguste castaneis, 

 inciso- vel sinuato-crenatis, crenis rotundatis, in centro plicatus 

 vel subbuUato-plicatus, cortice superiore undique tenuiter rimu- 

 loso vel etiam areolato-rimuloso, versus marginem superne 

 nudus, caeterum isidiis ochraceo-cinerascentibus, teretuisculis, 

 brevibus (240 — 270 [x altis), simplicibus vel ramosis, erectis 

 dense vestitus; KHO superne flavescens (demum subferrugineo- 

 sordidescens), intus non reagens, CaClgOg etiam addito KHO 

 nee superne, nee intus reagens; cortice superiore 25 — 28 [x 

 alto, ex hyphis perpendicularibus pachydermaticis formato, 

 pseudo-parenchymatico, cortice inferiore castaneo-nigricante, 

 Strato corticali superiore parum angustiore; hyphis medullae 



