fungí guaranitici 7 



scens, subconcentrice rngulosus ac radiatiin non v. parcissime 

 minuteque rimulosus (an etiam in vivo?); caro alba tenuissima 

 vix centro evoluta (1 mllm. crass.), fibroso-stupposa; hymenium 

 in vivopallescenti-albumin sicco sordide pallescenti-fulvescens, 

 e poris brevissimis (0,5-4 mllm. long.) densissime constipatis^ 

 ore integro rotundato-angulato minuto (150-200 i^. diam.), disse- 

 pimentis tenuibus donatis eíformatum, non contracto-rimosum 

 usque ad marginem evolutum etsi attenuatum, in stipite subde- 

 currens sed ab eo discretnra ac facillime scissile; atipes teres, 

 flaccido-tenax, undulatus, subtortuosas (3,5-4 cent. long. X 4 

 mllm. crass.), basi subincrassatulus ac abrupte truncato-adna- 

 tus, intus albus librosus farctus, extus ex albo rufescens glaber 

 laevis. 



Hab. Ad truncos dejectos putresctintes prope Guarapí, Oct. 1883 

 (sub nura. 4090). 



Obs. Species Polyporo gaaranitico Sp:g. af finís sed ab eo satis 

 distincta. 



8. POLYPORUS REPANDO-LOBATUS Spog. (n. sp.) 



Diag. Lentus, truncigenus; pileus calyciformis v. infundibulifor- 

 mis (4 cent. diam. X 3,5 cent, alt.), lento-subcoriaceus, subte- 

 nuis, rigidulus, margine acutissimus dense irregnlariterque re- 

 pando-lobatus v. subñssus, sordide testaceus, glaber, minute 

 densissimeque radiatim fibroso-substriatus; caro alba, flocculoso- 

 fibrosa, tenuis (1-1,5 mlhn. crass.), usque ad marginem pro- 

 ducta; bymenium e tubulis rigidulo-subcoriaceis, brevissimis 

 (0,5 mllm. long.), densissime constipatis, ore minutissimis 

 (250-300 {}. diam.) rotundato-angulatis, dissepimentis subte- 

 nuibus divisis eíformatum, in vivj álbum, in sicco sordide 

 pallescenti-rufescens, nonrimosum, cum ápice stipitis concre- 

 tumatque evanescenti-conñuens nondecurrens, marginem versus 

 evanescens ac zonam latiusculam (5 mlhn. lat.) sterilem relin- 

 quens; stipes subteres (4 cent. long. X 4 mllm. crass.), ápice 

 dilatato-compressulus, basi subincrassatus, truncato-adfixus, 

 durus, lignosus intus farctus albus, extus rufesceuti-testaceus, 

 glaberrimus, laevissimus. 



Hab. Ad truncos dejectos putrescentes cum priore prope Guarapi, 

 Oct. 1883 (sub num. 4090). 



9. POLYSTICTUS FULVICOLOR Speg. (n. sp.) 



