:>ii PyrenomyceteBj Perisporiacese, Perisporiese, Perisporium. 



Hab. in foliis in silva primieva Poaia, Matto Grosso Brasiliir 

 (Lindman). 



PERISPORIOPSIS P. Henn. in Hedw. 1904, p. 83 (Etym. a Perispo- 

 rio, cui, affinis). — Perithecia ovoidea, perforata, membranacea, 

 subatra, in mycelio fibroso, subcrustaceo, maculiformi, fusco. Asci 

 clavati, octospori aparaphysati. Sporidia oblonge fusoidea 3-7- 

 septata, subhvalino-flavescentia. — Perisporio affinis, sed sporidiis 

 subpallidis haud fatiscentibus. Forte ad hoc genus spectat Apio- 

 sporium brasiliense Noack — Syll. XVI. p 408. 



1. Perisporiopsis Struthanthi P. Heun 1. c. — Mycelio efifuso, fusco 1835 

 maculiformi ; hyphis septatis, ramosis, fusco-brunneis, 4-8 a. cras- 

 sis; peritheciis superficialibus submembranaceis sparsis vel grega- 

 riis, ovoideis. vertice obtusis, pertusis, subviolascentibus, subpilosis 

 250-300 v 200-250, contextu parenchymatico, atro-fusco; ascis late 

 clavatis, apice crasse tunicatis, vix pedicellatis, octosporis, 80- 

 140 » 25-40; sporidiis subdistichis v. oblique monostichis, oblonge 

 fusoideis, utrinque obtusiusculis, primo 1-3 deinde 7-septatis, haud 

 constrictis. hyalinis vel subflavidulis. 60-65 » 12-15. 



Hab. in foliis Struthanthi spec. Serra dos Orgaos, Rio de 

 Janeiro Brasiliae (C. Ule). 



Sect. G. P!i;eopura£mi;e. 



PERISPORIUM Fr. — Svll. I p. 55, IX p. 412, XI p. 260. 



1. Perisporium mendozanum Speg. in An. Soc. Cient. Arg. 1899, 1836 

 p. 227. Peritheciis superficialibus, subiculo cinerescente pulve- 

 rulento araneosulo cinctis, semiglobosis, atris, 500-750 a. diam., 

 300-500 jj.. alt., astomis, levibus, glabris, fragilibus, contextu im- 

 perspicuo; ascis cylindraceis 140-150*9-10, apice obtuse rotun- 

 datis, basi breviter attenuato-pedicellatis, aparaphysatis, octosporis; 

 sporidiis monostlchis, cylindraceis, rectis vol curvulis, 18-20 « 5-8, 

 utrinque obtusis, 3-septatis, ad septa valide constrictis, loculis 

 demum secedentibus, obscure fuligineis. 



Hdb. ad spinas Opunthu ao racan th;i\ in deserto circa 

 Mendozam Argentinaj. — Species eximia a genere ascis cvlindra- 

 «•ois nonnihil reeedons. 



2. Perisporium Myristicae P. Henn. F. javanici novi, in Eedw. 1902, i«37 

 p. 141. — Cajspitulis pulvinato-subhemisplucricis v. sublenticula- 



