716 Pyrenomycetpe, Hysteriacepe, Phragmosporse, Rhytidhysterium. 



H(ib. in caulibus ignotis pr. Concepcion in Chile (Neger). — 

 Hysterio pulicari Pers. affine. 



2. Hysterlum Melaleucae F. Tassi, Atti E. Acc. dei Fisiocr. Siena 4 2729 

 ser. 1896 (Microm. III, pag. 5) et Eev. Mycol. 1896, pag. 159, 

 tab. CLXVII, fig. 3 — Peritheciis superficialibus, sparsis v. sub- 

 confluentibus, oblongis, carbonaceis, nitidulis, atris, medio rinia 

 longitudinali percursis, labiis anguste rotundatis, '/^-1 mm. iong., 



'/ mm. lat., contextu atro fuligineo; ascis cylindraceis y. subcy- 

 lindraceo-clavatis, sursum rotundatis, ba^i breve attenuato-stipi- 

 tatis, octosporis, 80-100 ^ 12-14 ; paraphysibus filiformibus, lon- 

 gts, granulosis obvailatis; sporidiis subdistichis v. inordinatis, ob- 

 longo-ellipticis, clavulatis, initio hyaiinis, nucleolatis, dein fuli- 

 gineis, 3-septafcis, leniter constrictis, haud raro loculo tertio in- 

 craasato, 16-18 '*' 5'/^; spermogoniis punctiformibus; spermatiis cy- 

 lindraceis, continuis, hyalinis, 2-2 '/^ y '/^-'7^, initio basidiis filifor- 

 mibus fultis. 



Hab. in cortice Melaleucae armiilaris in horto botanico 

 Senensi Italise. — Affine H. puUcari Pers., sed differt peritheciis, 

 quee zona carent, et sporidiis clavulatis et non guttulatis. 



3. Hysterium ? Alstonis F. Tassi, Att. E. Acc. dei Fisiocr. Siena 4 2730 

 ser. VIII (Microm. III, p. 4). — Peritheciis superficialibus, spar- 



sis vel plus minusve approximatis, oblongo-linearibus, nigris, car- 

 bonaceis, utrinque obtusiusculis, V^-l V^ mm. iongis, '/^-'/^ mm. 

 crassis, rima dorsali hiantibus, contextu atro-fuligineo; fructifica- 

 tione ignota. 



Hab. in cortice vetusta A 1 s t o n i re scholaris in insulis 

 Moluccis. 



4. Hysterium erianthicolum Atk. Bull. Cornell Univ. III, n 1, 1897, 2731 

 p. 12. — Poritheciis nigris, carbonaceis, breve oblongis, rima an- 

 gustissima dehiscentibus, 2-3 mm. longis, 1 '/^ mm. latis; ascis 

 clavatis, 90-120 ^:^ 10-12, paraphysatis ; sporidiis bi-vel tristichis, 

 8-9-septatis, flavis, cylindraceis, curvulis, loculo quarto latiore, 

 30-35 * 3-4. 



Hab. in culmis Erianthi spec. Auburn. Alabama Amer. bor. 



RHYTmHYSTERIUM 8peg. — Syll. II, p. 759, IX, p. 1111, XI, p. 388. 



1. Rhytidhysterium guaranlticum Spcg. — Syll. IX, p. 1111 ~ -R. 2732 

 javanicum P. et S. Malpighia XI, 1897, p. 528. — A typo dif- 

 fert sporidiis medio non v. lenissime ooastrictis; peritheciis mino- 

 ribus, distinctius striato-rugosis. 



