1154 Deuteromycetse, Leptostromataceae, Leptothyrium. 



sis, 90 a. circ. latis, scutatis, convexis, nigris, nitentibus, subepi- 

 dermicis, demum irregulariter apertis, conteafcu crassiusculo. indi- 

 stincto, sordide castaneo-brunneo ; sporulis breviter ellipsoideis, 4- 

 6,6 « 2-3, byalinis; sporophoris breviter cylindraceis, IB fj.. circ. 

 longis, crebris, pallide olivaceo-brunneolis. 



Hah. in foliis vivis Quercus Morehi, Pine Grove, Amador 

 Co. California Amer. bor. (Hansen). — Socia adest Phleospora 

 Hanseni. 



26. Leptothyrium Tremulae Kab. et Bub. Hedw. L (1909) p. 44. — 766' 

 Maculis pallide alutaceis, utrinque conspicuis. minutis, irregulari- 

 bus; pycnidiis plerumque epiphyllis, raro hypophyllis, subinde 

 nervi-petiolicolis, sparsis v. gregariis, raro 2-pluribus confluenti- 

 bu3, orbicularibus, 0,2-0,5 mm. lat., nigris, opacis, astomis, con- 

 textu compacto, atro-brunneo, indistincte radiatim celluloso; spo- 

 rulis minutissimis, breve bacillaribus, 2,3-3,5 « 1-1,5, hyalinis; 

 sporosphoris dense fasciculatis, 12-20 ^ 2-2,5^ hyalinis. 



Hab. in foliis putrescentibus Populi Tremuhe pr. Turnau 

 BohemisB. 



27. Leptothyrium discosloides (Sacc) Keissl. in litt. ISTov. 1912. — 7656 

 Ita dicetur Phoma discosioides Sacc. — Syll. III p. 114 — nam 

 pycnidium est applanatum, radiatim contextum et subastomum. 



Hdb. in foliis fagineis non tantum in Gallia sed et in Au- 

 stria sup. (Keissler). 



28. Leptothyrium talcahuanense Speg., Fungi Chilenses (1910) p. 173. 766S 

 — Maculis nullis ; pycnidiis epiphyllis superficialibus plus v. mi- 

 nus laxe gregariis, orbicularibus, dimidiato-scutatis, 100-150 a. 

 diam., astomis, atris, tenuiter membranaceis, centro parenchymati- 

 cis; sporulis cylindraceis, utrinque obtusis, rectis, 5-7 «* 1,75-2, 

 hyalinis, 



Hah. in foliis dejectis, adhuc vivis Cryptocaryic Bellot» 

 in silvaticis Cerro Caracol de Concepcion Chile Amer. austr. 



29. Leptothyrlum conigenum Peyl, Lotos VII (1857 p. 66, tab. II, 7& 

 fig. 10. — Syll. III p. 632. — Pycnidiis scutiformibus, minutis- 

 simis, atris, nitidulis, margine leviter elevatis, centro minute pa- 

 pillatis, nucleo albido; sporulis fusoideis, leviter curvis, minutissi- 

 mis, hyalinis. 



Hah. in squamis dejectis, inter Muscos putrescentibus, Abre- 

 tis albae in viridario, Kacin Bohemioe. 



30. Leptothyrium pinophllum Bub. et Kab. Hedw. L (1910) p. 43. - 7661 

 Maculiij nullis; pycnidiis amphigenis, sparsis v. gregariis, interdum 



