Pyrenomycetas, Microthyrlaceae, Dfdymosporae, Microthyrium . 687 



Hdb. in foliis v. bracteis M onoootyledonis (?) TjikeumGiuli, 

 ins. Java. — Sequenti, M. Palmarum, M. corrientino etc. affine, 

 sed satis distinctum, prsecipue forma sporrdiorum. 



2. MyU)Copron millepunctatum Penz. et Sacc. Malpighia XI, 1897, 2628 

 p. 524. — Peritheciis longe et late denseque gregariis, superficia- 

 Ubus, dimidiato-scutatis, applanatis, 300 /. diaiA., eentro pertusis, 

 nigris, membranaceis, anguste radiato-cellulosis, margine sinuoso- 

 crenatis; ascis oblongis, sessilibus, utrinque rotundatis, 45-50 « 16, 

 non V. spurie parapbysatis, octosporis; sporidiis subdisticbis, el- 

 liptico-oblongis, rectis, utrinque rotundatis, continuis, 18 ^ 6-7, ex 

 hyalino flavidis, granulosis. 



Hab. in utraque pag. foliorum Psiloti flaccidi languidorum 

 in Horto bot. Bogoriensi .Java?. — Affine M. Palmarum W. et M. 

 corrientino Speg.; sed sat diversum. 



3. Myiocopron fecundum Sacc. Fl. mycol. Lus. p. 69. — Peritheeiis- 2829 

 amphigenis insequaliter sparsis, superficialibus, atris, appldnatis, 

 circularibus, 0,7 mm. diam., poro rotundo 45 (x. diam. pertusis, 

 contextu radiante atro, prope marginem sinuoso-celluloso ; ascis 

 amplis, elongatis, brevissime stipitatis, 180-200 » 25-28, apice ro- 

 tundatis, 12-sporis; paraphysibus copiosis sed tenuissime fiiifor- 

 mibus; sporidiis 2-3-stichis tereti-elongatis, utriuque rotundatis, 

 curvulis, 30-36 v 8-10, continuis granulosis, hyalinis. 



Hah. in foliis subvivis Craterispermi, S. Thome, sociis 11- 

 chenibus et bryac^is teneDis quibusdam (Moller). 



Sect 2. Didyraosporee. 



MICROTHYRIUM Desm. — Syll. II, p. 662, IX, p. 1055, XI, p. 379. 



1. Microthyrium Mangiferae Bomm. et Rouss. Buil. Soc. bot. Be}g. 2630 

 1896, p. 164. — Maculis nullis; peritheciis epiphyllis, congestis, 

 140-180 ^. diam., dimidiato-scutatis, orbicularibus, olivaceo-atvis, 

 centro pertusis, contextu radiante; ascis clavatls, sessiJibus, 8-spo- 



ris, 108 ^ 18, vel ovoideis 46 '/, » 21 ; sporidiis hyahnis, oblongo- 

 elliptiois, uniseptatis, 14'/, ^ 6 monostichis (in ascis claviformibus), 

 couglobatis (in ascis ovoideis). 



Hab. in foliis Mangiferae indicse, Costa-Rica. 



2. Mlcrothyrium concatenatum Rehm, Hedw. 1895, p. (102). -- Su- 2631 

 biculo tenuissimo, cinereo-atro, epiphylio, orbiculariter 3-10 mm. 

 diam. ezpanso, velutino, ex hyphis reticulatim cohierentibus et ooa- 



