Deuteromycetae, Sphfprioidacere, Hyalothyridium. 1085 



Noelli, in Malp. (1903) p. 417 et Syll. XVIII, p. 488 — He^ider- 

 sonia polycystis B. et Br. (1860) — Syll. III, p. 441. 



Hah. in cortice Betuhe alb;e in Germania, Britaunia, in 

 agro Tridentino (Bresadola), "Parisiensi, Parc. de S. Cloud (P. 

 Hariot) etc. — Sporul;i! 65-70^20-21; pedicellus usque ad 80-90 

 {1. longus. — Teste Tuiasneo est status pycnidicus Massarice Argi, 

 nec Pseudovalsce lanciformis ut autumaverat Currey. 



DICHOMERA Cooke — Syll. III p. 471, X p. 348, XIV p. 967, XVIII 

 p. 376. 



1. Dichomera prunicola Ell. et Dearn., Fungi Columb. n. 2021 (1906). 7259 

 — Stromatibus numerosis, erumpentibus, 1-1,6 mm. diam., sub- 

 carnosis, orbicularibus, epidermide rupta cinctis, depressis, nigris, 

 intus, pra3cipue madore expallidis ; pycnidiis in quoque stromate 

 3-4, immersis, minutis, obsolete ostiolatis ; sporulis globosis, 7-10 



[j,. diam., subinde ovoideis, 10-12 ^ 7-8, brunneis, 1-6-septatis, ssb- 

 pius 1-septatis. 



Hdb. in ramis emortuis Pruni virginianie, London Onta- 

 rio Canada Amer. bor. (Dearness, qui diagnosim communicavit). 



2. Dichomera Carpini Griff. et Maubl., Bull. Soc Myc. Fr. XXV 7260 

 (,1909) p. 59, cum icon. — Stromatibus sparsis, in cortice demum 

 fisso nidulantibus, nigris, simplicibus v. ssepius 2-3-Iocularibus, 

 poro unico centrali apertis, nucleo nigro; sporulis eIIi_psoideis v. 

 rarius subreniformibus, biseptatis, loculis 1-2 medio septo longi- 

 tudinaliter v. oblique divisis, rufo-brunneis, 13-18 ^i^ 6-8 ; sporo- 

 phoris rectis, brevibus. 



Hah. in ramulis exsiccatis Carpini Betuli, Rigny-sur-Ar- 

 roux, Saone-et-Loire Galliae (Flageolet). 



Sect. 7. Hyalodictyse. 



HYALOTHYRIDIUM Fl. Tassi — Syll. XVI p. 966. 



1. Hyalothyridium mutilum (Fr. ) Sacc. et Trott., Cawarospormm ? mu- 7261 

 tilum (Fr.~) Sacc. et Trav. — Syll. XIX, p. 2l9 — Sphceria mu- 

 tila Fr. p. p. (Cfr. Diplodia mutila Fr. — Syll. III, p. 353) — 

 Currey in Trans. Linn. Soc. XXII ;1868) p. 284, tab. 49, f. 191. 



— Pycnidiis sporulis copiosis, e hyalino chlorinis, forma 



variabilibus, fusoideo-oblongis, ssepe curvulis, 20-30 ij.. long., trans- 



