Pyreaouiyceto3e, Sphaei-iaccfe, Pli«jai[»yii«, Ilypoxylou. 557 



55. Hypoxylon Caaguazu Speg. Fungi Guar. Pug j, n. 205. — Stro- 2262 

 inatibus matrice denudata ac nigrificata irisidentibus, latiuscule ef- 

 fuso-pulviuatis, 5-10 crn. diam., 1-1,2 mm. crass,, aiubitu repan- 

 dulis, quaodoque rotundatis quandoque effusis, superlicie scrupu- 

 loso-uiidulatis ac per aotatem saepius dense minutissirneqiic diffra- 

 cto-rimulosis, confertissime papilluloso-asperis, fusco atris, opaci$, 

 glabris; peritheciis globulosis, minutis, 200-250 (i. diam., densis- 

 sime stipatis, conoideo-prominulis ostioloque parvulo coronatis, 

 atris, carbonaceis, strato stromatico tenui, fusco-fibrosulo insidcu' 

 tibus ; aseis et paraphysibus mox fatiscentibus; sporidiis oblique 

 monosticliis, iiavicularibus, utriuque acutato-rotundatis, 9-1 1 :;= 4-5, 

 opace fuligineis. 



tfad. ad ligna pntrida in umbrosis prope Paraguari Bras. — 

 Species pulchella ac satis di?t,iricta, in juventuto plurimis chara- 

 cteribus //. fasco-pitrpureo ac H. oinoso, ut videtur, affinis. 



56. Hypoxylon latissimum Speg. F. Guar. 11, n. 80. — Stromatibus 226,3 

 cortice innato-superficialibus, latissime expansis, 5-10 cm. diara., 

 ambitu repando-sinuosis, pulvinulatis, 1,5 mm. crass. supeine ap- 

 planatis, non vel vix hinc inde undulatis, margine abrupte subtruu- 

 cato-rotundatis ac elfuso-subai-eolalis, atris vel fusco-atris opacis 



in parte pulvinata laxe papillato-asperulis; poritheciis ellipticis, 1 

 mm, alt., 0,5-0,6 mm. crass., atris carbonaceis non exsertis nec pro- 

 minulis, ostiolo conoideo-papillajformi simplici in stromate vix puu- 

 ctulato-subexserto; ascis cylindraceis, antice rotundatis crassoque 

 tunicatis, posticc breviter attenuato-pedicellatis, p. sp. UO-IOO ^ 10, 

 octosporjs, paraphysibus Hliformibus lofigioribus guttulatis obval- 

 latis; sporidiis oblique vel subrecte monostichis, elliptico-navicu- 

 laribus 18-20 c; 8, utrinque acutiuscule rotundatis, non vel grosse 

 1-2-guttulatis, fuligineis, 



Hab. ad corticera crassiorern truncorun» adhuc viventium in 

 silvis prope Ciuarapi Brasilia). — Species inter H(/pn.T^lon et Num- 

 mulnriam arabigua ; an huc Hyp. Broomeanum B. et C.? 



57. Hypoxylon eillptlcum Cooke et Mass. Grev. XVII, p. 70. — Pa« 2264 

 rallelum, ollipticum 3-5 mm. long., 2 mm. lat., convoxo-planum, 

 atrum, opacum, intus concolor; ostiolis minutis, congestis, puucti- 

 formibus; ascis cylindraceis; sporidiis fusiformibus, continuis, fu- 

 ligineis, primitus nucleatis, 2.3-^5.^6-7. 



Hab. in lignis decorticatis, Brisbane Australiae (Bailky). — Af- 

 fine H. allanloideo sed sporidiis ostiolisque divorsum. 



58. Hypoxylon pseudopachyloma Speg. F. Fueg. n, 191. — Stroma- 2265 



