Pyrenomycetae, Microthyriacese, Microthyrium. 519 



rotundatis, tunica crassa mucosa, abundanter paraphysatis, 8-spo- 

 ris, 55-65 * 15, cylindraceis usque ad 75 * 10-12; paraphysibus te- 

 nuibas ascos siiperantibus, apice paullo incrassatis; sporidiis disti- 

 cliis, hyalino-viridulis, 1-septatis, non constrictis, oblongis, rotun- 

 datis, cellulis fere icqualibus, superiore paullo crassiore, 14-16 » 5. 

 Uah. in foliis vivis Solaui boerhaviifolii in silvis, Sao 

 Paulo, Rio Grande do Sul, sociis Asterina vagante, Micropeltide 

 vagahunda et Meliola glahra. 



11. Microthyrium Laurenti P. Henn., Mission E. Laurent fasc. III 5083 

 (1906) pag. 317. -^ Peritheciis amphigenis sparsis, minutis, dimi- 

 diato-orbicularibus, atris, hyphis radiantibus fusco-olivaceis, 130- 

 160 [1. cinctis. centro pertusis; ascis clavatis, apice rotundato-ob- 

 tusis, tunicatis, octosporis, 26-35 » 8-1 1 ; paraphysibus ramosis fi- 

 liformibus hyalinis, 1 [j-. cr.; sporidiis subdistichis oblongo-ellipsoi- 

 deis V. subclavatis, curvulis, medio 1-septatis, guttulatis, hyalino- 

 cyanescentibus, 10-14 ^ 3,5-4,5. 



Hah. in foliis Coffere sp. Ubangi, Congo, Africa. — St. py- 

 cnid. : Leptothyrium Laurenti P. Henn., sporulis innumeris, fusoi- 

 deis, utrinque acutis hyalinis, 3-4 ^ 0,5-0,7. — A Microth Coffece 

 omnino distinctum. 



12. Mlcrothyrluni leopoldvilleanum P. Henn., Mission E. Laurent bo84 

 fasc. III (1906) pag. 317. — Peritheciis epiphyllis, sparsis, dimi- 

 diato-orbicularibus, atris, 250-300 \i.. diam., marginatis, contextu 

 atro-serugineo, radiato-celluloso ; ascis olavatis, vertice crasse tuni- 

 catis, rotundatis, octosporis, paraphysatis, 80-90 ^ 25-30 ; sporidiis 

 subdistichis, oblongis, subclavatis, hyalinis, medio l-septatis, 28- 

 30^10-12. 



Hah. in foliis vivis Coffeae sp. Leopoldville, Congo, Africa. 

 — Micr. Coffece affine sed peritheciis, ascis sporidiisque satis di- 

 versum. 



13. Microthyrium rimulosum Spegazz., An. Mus. Nac. Buenos Aires 5085 

 t. XIX (1909) p. 426. — Maculis pallescentibus diffusis ; perithe- 



ciis laxissime gregariis pusillis, orbicularibus, 120 a. diam., astomis 

 sed centro reticulato-rimulosis, margine integerrimis, subcoriacellis 

 non nitentibus; ascis ovoideis sessilibus, apice crassissime tunicatis 

 basi vix papillato-pediceliatis, 26-30 « 15-18, octosporis, aparaphy- 

 satis; sporidiis elongato-obovatis, 1-septato-constrictulis, 10 » 3-4, 

 hyalinis. 



Hah. ad ramulos vivos Sapii salicifolii culti in Santa Ca- 

 talina prope Buenos Aires, Argentina America austr. 



