Pyrenomycetse, Sphserlaceae, Phfeosporee, Hxpoxylon. 509 



HYPOXYLON Bull. — Syll. I, p. 362, IX, p. 543, XI, p. 285. 



1. Hypoxylon morjforme P. Henn. Engl. Jahrb. XXIII, 1896, p. 287. 1929 

 Stromatibus liemisphairicis, sparsis, basi applanatis, cortice affixis, 

 tuberculoso-rugosis, moriformibus, atris, carbonaceis, subnitentibus, 

 2-3 mm. diam., ostiolis punctiformibus, subpapillatis, miautis, an- 

 nulato-marginatis; peritlieciis subglobosis; ascis cylindraceis, ob- 

 tusis, 8-sporis ; sporidiis monostichis, ellipsoideis, utrinque obtusis, 

 atro-brunneis, dein atris, 6-7 v 3 '/,-4 '/,. 



Hab. in cortice in ins. Upolu ins. samoens. (Reinecke). 



2. Hypoxylon fibuliforme Ell. et Ev. Bull. Labor. Nat. Hist. Univ. 1930 

 IV, 1896, p. 71. — Stromate lenticulari, 2-5 mm. diam., atro, 

 sessiii, ostiolis papilliformibus asperato; peritheciis elongatis, sub- 

 cylindraceis, 1-1 '/^ v '/^ mni., usque ad medium stromatis subpene- 

 trantibus; ascis cylindraceis, p. sp. 6()v5; sporidiis elhpticis, fu- 

 scis, uniseriatis, 6-7 v 3-3 '/,. 



Hdb. in ligno emortuo in Nicaragua (Smith). 



3. Hypoxyion rubellum Penz. et Sacc. Malpighia XI, 1897, p. 491. i93i 



— Peritheciis globulosis, vix 0,5 mm. diam., non v. obtuse pa- 

 pillatis, in csespitulos pulvinato-hemisphfericos, 2-3 mm. diam., 

 densiuscule collectis, botryosis, lateritiis, initio rubro-furfuraceis ; 

 ascis cylindraceis, apice rotundatis, 120^10-12, octosporis; spori- 

 diis oblique monostichis, 20-24 « 8-9, elliptico-fusoideis, utrinque 

 acutulis, 1-nucIeatis, fuligineis. 



Hdb. in culmis putridis, Tjibodas, ins. Java. — Affine //. ar- 

 gillaceo (Pers.) Berk., a quo differt acervulis multo minoribus, 

 furfure rubro, ascis brevioribus etc. 



4. Hypoxylon microstroma Penz. et Sacc. Majpighia XI, 1897, p. 491. 1932 



— Peritheciis paucis (2-6), globulosis, '/^-'/5 mm. d., tenui-carbo- 

 naceis, obtuse papillatis, nigris, in stromata minuta sphaeroidea, 

 dense gregaria, basi coarctata sessilia, atra, rugulosa, 1 mm. lata 

 congestis; ascis ijam elapsis); sporidiis oblongo-ellipsoideis, utrin- 

 que obtusulis, 2-guttatis, 8-9 v 4-5, dilute fuligineis. 



Hab. in superficie late nigrificata lignorum, Tjibodas, ins. Java. 



— Affine videtur //. pauxillo Ces., cujus sporidia ignota et quod 

 recedit peritheciis intus albidis, stromate nitente etc. 



5. Hypoxylon ochpaceum P. Henn. Hedw. 1897, p. 228. — Stroma- 1933 

 tibus per corticem erumpeutibus, dein superficialibus, subpulvi- 

 natis, orbicularibus vel oblongis, siepe confluentibus, sublateritiis, 

 dein ochraceis, tuberculatis, pruiiiosis, 2-4 mm. diametro; perithe- 



ciis subglobosis; ascis clavatis, 8-sporis, 8-9 p.. crassis, apice 



