Beitrage zur Pilzflora von Siidamcrika V. 3qj 



Hysterostomella. 



1. H. Uleana. Rchm. n. sp. c ic. 



Stromata in maculis hypo-", raro epiphyllis scssilia, orbicularia, 

 3—6 mm diam., Crustacea, atra, membranacea, apothcciis plurimis in 

 centro arete congestis, in ambitu dispersis, dimidiate- scutatis, ostiolis 

 hystcrioideis prominulis, subrectis, saepe radiantibiis, minimis, Asci 

 ovati, apice valde incrassati, 45/15 //, 8 spori. Sporidia oblonga, obtusa, 

 medio valde constricta, 2 cellularia, hyalina, dcmum fuscidula, 

 10 — 12j5 //. Paraphyses filiformes, subconglutinatae. 



Ad folia Apocyneae. Rio Tijuca Brasiliae. Ule no. 2054. H. P. 



(Tst offenbar mit H. Miconiae Hennings [ficdwigia 1897 p. 231J 

 sehr nahe verwandt; ob synonym?) 



2. H. rhytismoides (Schwein.) c, ic. 



Cfr. Sacc. Syll. II. p. 743 sub Lembosia rhytismoides B. et Br. 



Stromata in maculis foliorum parenchyma penctrantibus, ftavidulis, 

 plus minusve extensis epiphylla, sessilia, orbicularia, scutelHformia, 

 innata, nigra, 0,5— 1,5 mm diam., peritheciis lineariter aggregatis, innatis, 

 e centro radiatim rimis hysterioideis, minntissimis percursa, paren- 

 chymatice contexta. Asci elliptico- ovati, sessiles, crasse tunicati, 

 50— 60,25—30 ^, 8 spori. Sporidia clavata, obtusa, 2 cellularia, medio 

 constricta, demum fusca, 21/9 //. Paraphyses apice dilute coerules- 

 centes, filiformes. Asci J+. 



Ad folia Palmac Bactris. Sao Francisco Brasiliae. Ule no. 507. H.B. 



(Da eine Beschreibung der Fruchtschicht bisher nicht vorhanden, 

 ist die Frage dcr richtigen Bcstimmung des Parmularia • ahnlichen 

 Pilzes offen.) 



3. H. Myrtacearum Rehm n. sp. c, ic. 

 Stromata gregaria, epiphylla, orbicularia, atra, convexula, radiatim 



parenchymatice composita, rimis hysterioideis tenuissimis e centro 

 centrifugis percursa, 0,5—1 mm diam. Asci elliptici , sessiles, apice 

 valde incrassati, 60/30 /., 8 spori. Sporidia ovata, obtusa, inaequaliter 

 2 cellularia, 24—30 /f Ig., cellula superiore 15/12 fi, inferiore 9—129, 

 ad septum subconstricta, demum fusca. Paraphyses ramosae, con- 

 glutinatac, dilute flavidulae. Hymenium J valde +. 



Ad folia Myrtaceac. Sao Paulo. Ule no. 736. H. B. 



N --V 



Sporen-Abbildungen. 



1. Scliizothyrium hypodcrmoidcs Rehm. 

 -• n bambusellum Rehm. 



3. Aulographum Gaylussaciae Rehm. 



'^. 11 inconspicuum Rehm. 



5. „ macularc B. et Br. 



6. ., „ var. stellulata Rchm 



