1098 Pyrenomyceteae, Hemihysteriacese, Didymosporse, Hysterostomella. 

 altera acutato-confluentibus, riina longitudinali impressa dehiscen- 

 tibus, thalio furfuraceo-subcinerescente (an in vivo virescente?) sub- 

 insidenti-areolatis, subcarbonaceis, atris, opacis, sub lente radia- 

 tim fibroso-radiatis, contextu tamen iudistincto ; ascis e cylindra- 

 ceo obclavatis, apice obtuse rotundatis crassiusculeque tunicatis, 

 basi subcuneatis, brevissime crasseque stipitatis, 80-90 := 16-18, pa- 

 raphysibus filiformibus, sublongioribus, densiuscuiis, apice subcoa- 

 lescentibus fuscescentibusque oljvaliatis, 8-sporis; sporidiis subrecte 

 distichis, ellipticis, v. elliptico-obovatis, utrinque obtusiusculis, 16- 

 17 s 6-7, loculo infero supero 'equilongo sed saepe subgraciliore, 

 primo hyalinis (muco obovolutis?) dein pallide fuligineis. 



Hab. ad folia viva Sapotace.ie cujusdam in silvis subvirgineis 

 pr. Guarapi Brasilice. — Species thallo cinerescenti- virescente do- 

 nata ac fere lichenina, fabrica tamen omnium partiura exiraie fun- 

 gina atque odore ac iodi ope nullis. 

 3. Schneepia? ArechaYaietae Speg. F. Puigg. n. 378. — Stromatibus 4333 

 scutatis, majusculis, 2-6 min, diam., dense radiatim sulcato-peri- 

 theciigeris; peritheciis acute rimulosis, vix centro levibus v. sub- 

 umbilicatis, atris, opacis, 1-2,5 ram. long., 300-500 f/. lat. ; ascis 

 elliptLco-cylindraceis, 50-60 ::; 15-20, parce clavulato-paraphysatis ; 

 sporidiis obvatis, didymis, hyalinis, 16-18 s 7-8. 



Hab. ad folia viva.Sty racis parvifoliae in duraetis prope 

 Itabir^ do carapo, secus Rio das Velhas Brasilise (Cl. J. Arecha- 

 VALETx). — Species nobilissima, S. guaraniticce Speg. peraffinis, 

 a qua taraen recedit peritheciis exiraie prorainulo-radiatis, ascis 

 brevioribus, paraphysibus apice olivascentibus ac sporidiis nonnihil 

 lougioribus. Huc certe Aclidium Hdnkei F. Nees et facillinie etiam 

 Parmularia Slyracis Lev. spectant. 



HYSTEROSTOMELLA Speg. Fungi Guar. Puig. I. p. 200 (Etyra. %• 

 stera uterus et stoma ostiolum). — Stromata irregulariter subor- 

 bicularia, dimidiato-scutata. Perithecia in slroraate dense irregula- 

 riterque constipata, dinbrmia, ostiolis hysterioideis donata. Asci 

 ovati v. ^ubglobosi, 8-spori, aparaphysati. Sporidia, ovata, didy- 

 ma, fuliginoa. 



1. Hystero8tom ella guaranitica Speg. Fungi Guar. Pug. I, n. 305. — 4334 

 Maculis nullis stromatibus epiphyllis sparsis, rarius aggregato-con- 

 fluentibus, superficialibus, irregulariter suborbicularibus, 1,5-2 mra. 

 diam., atris, glabris, ambitu si nuosulo-undulato, rainute rugulosis, di* 



