Deuteromycetae, Leptostromatacese, Leptothyrium. 1153 



21. Leptothyrium Pazschkeanum Bubak, Journ. of Mycol. XII (1906) 7652 

 p. 55. — Pycnidiis iu caulibus emortuis late gregariis, depressis, 

 scutatis, 50-120 jj.. latis, brunnois, eontextu parenchymatico palli- 



de flavo-brunneo, poro centrali obscuriori irregulariter rotunda- 

 to; sporulis bacillaribus 3-4,5 >* 1, rectis v. curvulis, hyalinis; spo- 

 rophoris brevibus indistinctis. 



Hdb. in caulibus emortuis Asclepiadis verticillatae, Em- 

 ma Salina Co. Amer. bor. (C. H. Demetrio). 



22. Leptothyrium Gibellianum Cav. in Briosi et Cavara, Funghi 7563 

 parass. n. 273 (1896). — Pycnidiis spuriis e cuticula mutata 

 atrataque eflformatis, plerumque hypophyllis, applanatis, nigris, 

 plicatisque; sporophoris e strato stromatico tenui, hyalino orien- 

 tibus, cylindraceis v. clavulatis sporulas paullo superantibus, mo- 

 nosporis; sporulis ellipsoideis, subbotuliformibus, intus granulosis, 

 hyalinis, 6-8 « 2-3, 



Hah. in foliis Betuke albcC in horto bot. Torino Ital. bor. 



(G. GlBELLl). 



23. Leptothyrium alneum (Lev.) Sacc. — Syll. III p. 627 — f. Alni- 7554 

 cordatae Trott. ap. Sacc. in Ann. Mycol. IX (1911) p. 253. — A 

 typo tantum recedit pycnidiis sporulisque paullo majoribus, po- 

 stremis 11-15 « 2. 



Hah. in pag. sup. foliorum adhuc viventium Alni cordatse 

 pr. Paola Calabrise, (A. Thotter). — CI. C. Massalongo (Osserv. 

 fitol. in Mad. Verona II (1908) p. 10 extr. formam citat in 

 foliis Alni incancv, Bolca Verona It. bor. 



24. Leptothyrium didermatum Kab. et Bub. Myc. Beitr. Hedwigia 7555 

 Bd. XLVI (1907) p. 295. — Pycuidiis hypophyllis, sparsis v. 

 gregariis, quandoque confluentibus, rotundatis v. angulosis, scuta- 



tis, 100-250 a. latis, nigris, nitidis, siccis plicatis, asperulis, udis 

 pustuliformibus, irregulariter disrumpentibus; contextu parenchy- 

 matico duplici; stratu exteriori parenchymatico brunneo, interno 

 pallidiori et e cellulis elongatis plus minusve radiantibus consti- 

 tuto; sporulis cylindraceis 3-4*1-1,5, rectis, hyalinis; sporopho- 

 ris basi ciespitose confertis, rectis v. curvis, 20-30*1-1,5, hya- 

 linis. 



Hab. in foliis putrescentibus Fagi silvaticcU, Bohemia 

 (Kabati. 



25. Leptothyrium californicum Bubak, Journ. of Mycol, XII (1906) 7556 

 p. 55. — Maculis epiphyllis, rotundatis, non distincte limitatis, 

 snepe confluentibus, brunneis; pycnidiis epiphyllis, parvis, copio- 



S</ll. Fung. XXU (¥-1913) 73 



