[li] l'*. THEISSEN : á N NOTAÇÕES A MY CO FLOR A BRASILEIRA 23 



8-12 [j. variantes. Setae nec inveniuntur in poritheciis nec in my- 

 celio. Contextus perithecíorum parenchymaticus progredicnte aeta- 

 te muco parco evoluto fit aliquatenus indistinctus. 



3. Meliola platysperma Th. n. sp. 



Plagulae piceo-atrae, 4 mm. diam., orbiculares. Ilyphae myce- 

 lii rubro-brunneae, opposite ramosae, 10 \j. crassae, clense intertex- 

 tae, cellulis ca. 25 (Jt longis. Iíyphopodia capitata alterna, elongato- 

 clavata, pedicellata, saepe unilateralia, 27 u. longa, supra 12-14 u. 

 lata; hyphopodia mucronata typice opposita, ampulliforniia, si- 

 nuose recurvata, continua. Setae myceliales atro-nitentes, nlimero- 

 sae, basi geniculatae IO y. crassae, rectae, ápice obtusae laetiores 

 5 y crassae integrae, 500-700 ^ longae. Perithecia 250-280 y diam., 

 globulosa, grosse verrucosa, atro-nitentia, aetate umbilicata, demum 

 collapsa, cellulis polygonis ca. 20 y magnis rubrobrunneis extus 

 acute prominulis contexta. Asei 4-spori, maturi late ovato-pirifor- 

 mes, usque 90=75 y. Sporae brunneae, 4-septatae, utrinque ro- 

 tundatae, vix constrictae, 50-56 == 24-28 y, cellulis aequalibus. 



Epiphylla in foliis Guareae (?), S. Leopoldo, Brasiliae meridio- 

 nalis ; lg. J. Rick. 



4. Meliola leptopus Th. n. sp. 



Irregulariter plus minus totam folii laminam inquinans, opace 

 nigra. Hyphae mycelii 8-9 y crassae, rectae, brunneae, opposite 

 vel alterne ramosae. Hyphopodia capitata opposita, pedicellata, 

 recta, cylindraceo-clavata, saepe fere cylindracea, integra, 18-20 

 == IO y; hyphopodia mucronata ampulliforniia, continua, opposita, 

 approximata, recta vel incurva. Setae myceliales ca. 350=8 y t 

 fuligineo-brunneae, rectae, basi late arcuatae, ápice laetiores sen- 

 sim acutatae. Perithecia ca. 280 p diam., globulosa, verrucosa (cel- 

 lulis extus acute prominulis polygonis), cellulis rubrobrunneis ir- 

 regulariter polygonis 25-48 y magnis, octiolo demum irregulariter 

 stellato aperta. Asei bispori, ca. 56 =• 34 y, elliptici. Sporae brun- 

 neae, 4-septatae, cylindraceae, guttulatae, constrictae, cellulis aequa- 

 libus (vix extimis majoribus) 48-54 = IÓ-20 y. 



Amphigena in íbliis plantae dicotyledoneae indeterminatae, S. 

 Leopoldo, Brasiliae meridionalis. 



