fungí guaranitici 31 



Hab. Ad ligniim denudatum mucidum dealbatumque in sylvis sub- 

 virgincis prope Guarapí, Sept. 1883 (sub num. 3978). 



Obs. Species alus perpluvimis, Hyp. udo (Prs.) Fr. praecipue, 

 coguata, sporidioriim fabrica tamen mox dignoscenda. 



78. Hypoxylon bambusicolujVI Speg. — Furig. guar. p. I, n. 280 (sub 

 Auerswaldia). 



Hab. Ad culmos dejectos putrescentes Bambusaceae cujusdam ia 

 sylvis uliginosis prope Carapegucí, 24 Jul. 1883 (sub niim. 4036). 



Obs. Species generi Auerswaldiae antea adscripta nunc melius 

 inspectastromalis natura periteciorumque fabrica ad Hypoxylon 

 sine dubio transferenda. Sporidia subupace fuliginea (14-15 X 

 6 [x). Facillime cuní Hyp. culmorum Ck., ut 1. c. jam monui, 

 idéntica 1 



79. Hypoxylon imermedium Speg. — Fung. guar pug. I, n. 203. 

 Hab Ad truncos corticatos muscosos in sylvis roridis inter Calle- 



poi et Yaguaron, 20 Sept. 1883 (sub num. 4005). 

 Obs. Sporidia elliptica (12-13 x6 ¡j.) ; ascorum apex luce refracta 

 tri-foveolatus. 



80. Hypoxylon latissimum Speg. (n. sp.) 



Diag. Stromata cortice innato-superficialia, latissime expansa, 

 (5-10 cent, diam.) ambitu repando-sinuosa, pulvinulata (1,5 

 mllm. crass.) superne applanata, non. v. vix Iiinc inde undulatn 

 margine abrupte subtruncato-rotundata ac eíTuso-subareolata, 

 atra v. fusco-atra opaca in parte pulvinata laxe papillato-aspe- 

 rula ; perithecia elliptica (1 mllm. alt. X O, 5-0, 6 mllm. crass. \ 

 atra carbonacea non exerta nec prominula, ostiolo conoideo- 

 papillaeformi simplice in stromate vix punctulato-subexerto or- 

 nata; asci cylindracei, antice rotundati crasseque tunicati, po- 

 stice breviter attenuato-pedicellati (p. sp. 90-100 X 10 \j.), 

 octospori, paraphysibus filiformibus longioribus guttulatis obval- 

 lati; sporidia oblique v. subrecte monosticha, elliptioo-navi- 

 cularia (18-20 X 8 ¡j,), utrinque acutiuscule rotundata, non v. 

 grosse 1-2-guttulata, fuliginea. 



Hab. Ad corticem crassiorem truncorum adliuc viventium in sylvis 

 prope Guarapí, Sept. 1883 (sub num. 4030). 



Obs. ^^eciesmteT: Hypoxylon et Nummukü'iam ambigua; au hue 

 Hyp. Broomeanum B. & C? 



