Sphaeriacese, Hyalodidyitise, Diaporthe. 651 



Hab. ad caules siccos Artemisise vulgaris prope Milano, 

 Ital. bor. — Stroma nuUum manifestum. 



152. D. Euporthe orthoceras (Fr.) Nits. Pyr. Gerra. p. 270, Sacc. Myc. 2504 

 Ven. Spec. p. 142, t. XIV, f. 1-4, Sphceria orthoceras Fr. Elench. 



II, p. 97, Sphceria Achillece Auersw. Herb. Mjc. n. 1448. — Stro- 

 mate effuso, mox brevi, maculaeformi, mox contra caules ambiente 

 substrati superficiem tandem nigrificante, parte immersa linea ni- 

 gra circumscripta; peritheciis minutis, subglobosis v. globoso-de- 

 pressis, ordine vario sparsis, saepissime gregatira stipatis, ligno ira- 

 mersis, in collum breve abrupte attenuatis; ostiolis plus minus 

 elongatis, basim versus conico-incrassatis, rectis v. curvatis, tunc 

 ssepe secundis, hinc inde nodulosis; ascis oblongis v. clavatis, octo- 

 sporis, 36-50 ^ 6-8 ; sporidiis distichis, fusiformibus, plerumque re- 

 ctis, bicellularibus, haud constrictis, quadriguttatis, hyalinis, 10-14 

 :i3-4. — Spermogonia phomatoidea: spermatiis 8-10^:2,5, 2-gut- 

 tatis, basidiis 26 :i 1, hamatis. 



Hab. in caulibus emortuis Achilleae, Lapsanae, Cichorii, 

 Senecionis, Verbesinse, Asteris, Helianthi in Gallia, 

 Germania, Italia, Britannia, Am. mer. et bor. — Forma Helianthi 

 (Ital. bor.) fert ascos 50^10; sporidia 12^5, lenissirae constricta. 



153. D. Euporthe trinucleata Niessl Not. Pyr. p. 52, t. IV, fig. 26. 2505 

 Stromate maculiformi, plerumque elongato, cauliura superficiera 

 nigrificante, parte interiori a parenchyraate vix diverso; peritheciis 

 plus minusve stipatis, saepe seriatis, ligni strato extirao immersis, 

 depresso-globosis, rostratis, atris, duriusculis, Y^ mill. circa diam. ; 

 ostiolis e basi couoidea subcylindricis vertice conicis, peritheciorum 

 diametrum aequantibus vel superantibus; ascis clavatis sessilibus 8- 

 sporis 45-54 ^ 8-9 ; sporidiis distichis, oblongis, plerumque parura 

 cuneatis, seu inferne paulum attenuatis, inaequilateralibus ssepe fere 

 cyrabiforraibus, rarissime subrectis, utrinque obtusiusculis breve 

 raucronatis, hyalinis, 3-nucleatis (2-septatis?) vix constrictis, 13- 



15::^4-4V2. 



Hab. in caulibus exsiccatis Eupatorii cannabini prope 

 Gratz Styriae. 



154. D. Euporthe pholeodes (Mont.) Fuck. Symb. raycol. App. III, 2506 

 p. 24, Sphceria pholeodes Mont. Syll. Crypt. n. 830 et Notice etc, 



in Ann., 2, I, p. 339, t. 12, fig. 4. — Iramersa, linea nigra cir- 

 curascripta; peritheciis globosis nigris in ligno caulis nidulantibus 

 ostiolo brevi subconico in macula cinerea vix prominulo; ascis fu- 

 siformi-subclavatis ; sporidiis cymbiformibus, 4-nucIeatis. 



