fungí CUARANITICI 45 



diam.), in postids coiifliuMiti-labjrinlhiformibus, subrlaedaleoi- 

 deis sed confertis et iiiiiiiitis, disst'pinientis teiiiiihus (25-30 

 crass.), acie acntis, intns setuHs ininiitis (l5-20x5-6j, rigidu- 

 lis, cinnamonieis, rectis, teretibns, ápice attenuato acutatis 

 saepeque albo-appeiidiculatis laxe ornatis. 



Species pulchella, sed incertus sum si verum Polyporum 

 tabacinum Mntgn. sistat, nam nulla mentione de setulis 

 hymeuii in diagnosibus; an nova species? Si talis eam P. 

 pseudotabacinum Speg. vocabo. üt jam monui in PolypoTo 

 Balansae Speg. facile novi generi 1 



46. POLYPORUS (ApUS) SUBTROPICALIS Speg. (n. sp.) 



Diag. Inodermeus; pileus suberoso-coriaceus, rigidus, subtenuis, 

 atrinque applanatus, orbiculari-dimidiatus (6-9 cent. diam. — 

 4 cent. lat. ant.-post.), postice non v. vix subumbonatus, late 

 truncato-adnatus atque plus minusve decurrenti-effusus, late- 

 ribus obtuse rotundatis, margine recto, acuto, integro, superne 

 p'.urizonato-sulcatus, zonis prominulis sordide pallideque gri- 

 seo-testaceis, latiusculis, velutino-hirtis, sulcis (1 v. 2 tantum 

 latiusculis) strictis, glabratis subsericeo-nitentibus, castaneis 

 V. purpurascentibus antice fimbriatim in zonis intrantibus ; caro 

 floccoso-fibrosa sordide e pallido v. albescenti griseo-subumbri- 

 na , 3ubtenuis (1,5-2,5 mllm. crass.); hymenium álbum v. 

 sordidule pallescens, tubulis mediocribus, posticis longioribus 

 (2-2,5 mllm. long.), gradatim abbreviatis, ac zonam margina- 

 lem latiuscnlam (2 mllm. lat.), sterilem relinquentes, intus laxe 

 albo-araneosis, ore minuto (150-200 diam.) rotundo v. subellip- 

 tico, in juventute pruinula alba obducto, dissepimentis cras- 

 siusculis (80-100 crass.), acie obtuse ro';undatis, integerrimis. 

 Hab. Ad truncos vetustos putrescentes passim prope Guarapi, 

 Apr. 1879 (sub num. 3400). 



47 PoLYPORUS (Apus) GILVUS Scliwn. = F?\ Epicr. Syst. Myc. p. 456. 



Hab. Ad truncos arborum frondosarum vulgatus in sylvis prope 

 Paraguari, Jul. 1883 (sub nnm. 3912). 



Obs. Pilei subcoespitusi, superne irregulariter scrupuloso sub-ver- 

 rucosi, subundulati e diliitissime carneo gilvi (5-10 cent. diam. 

 — 3-6 cent.' lat. ant.-post.) margine aciiti, postice truncato- 

 adnati; hymenium compactum, gilvo-ciunamomeum v. ferrugi- 

 neum, rarius subvirescens; contextus vivide fulvo-ferrugineus 



