SphaBriaceas, Hyalodidymae, Diaporthe. 669 



monia Lirella (Moug. et Nestl.) Auersw, Syn. Pyr. p. 22, t. 5, 

 f. 61 et t. 10, f. 141. — Peritheciis sparsis vel subseriatis, epi- 

 dermide atrata tectis eique detractae adhserentibus, depresso-sphse- 

 roides, basi cupulse instar collapsis, ostiolis verticalibus papillifor- 

 raibus, epidermidem non perforantibus, nigris, latit. circiter 250 fx. ; 

 ascis creberrimis clavatis in pedicellum acutum attenuatis, 38- 

 48 i; 7 octosporis ; sporidiis distichis, fusoideo-elongatis, 4-guttu- 

 latis, hjalinis, 10 ^ 2. 



Hab. ad caules Spiraeae Ulmariae exsiccatos in Fennia, 

 Britannia, Gallia, Germania, Belgio, et Kamschatka. 



211. D. Tetrastaga incarcerata (B. et Br.) Nits. Pyr. Germ. p. 297, 9553 

 Diatrype inoarceraia B. et Br. Ann. N. H. n. 842. — Stroniate 



■ plerumque late effuso, sagpe ambieute, rarius brevi, maculseformi, 

 omnino immerso, strato extimo, tenui, nigricanie, peridermio arctis- 

 sime adhserente obducto v. rarius tandem ex parte nudato ; peri- 

 theciis ordine valde insequali sparsis, corticis interioris parenchy- 

 mati totis innatis, rainutis, e globoso depressis, in coUum tenue, 

 breve constrictis ; ostiolis in plerisque abbreviatis, periderraium per- 

 foratura v. fissura parum tantum superantibus, rarius elongatis, cy- 

 lindricis vel nodulosis, flexuosis ; ascis oblongis vel subcylindricis, 

 basira versus sensira ac longiuscule attenuatis, raerabrana crassiuscula 

 structis, octosporis, 69-75 s; 0-10; sporidiis distichis v. oblique rao- 

 nostichis, oblongis v. subcylindricis, rectis, utrinque obtusiusculis, 

 irarao rotundatis, bicellularibus, quadriguttatis, raedio pleruraque 

 haud constrictis, hyaliuis, 15-18 ii 4-5. — Spermogonia phomatoi- 

 dea minima : spermatiis 7 ^; 2, biguttatis ; basidiis 24-30 ^ 7 cur- 

 vulis. 



Hab. in ramis eraortuis Rosae caninae in Britannia, Gallia, 

 Gerraania. 



212. D. Tetrastaga Murrayi (B. et C.) Sacc, Sphceria Murrayi B. 2564 

 et C. North Amer. Fungi n. 934. — Peritheciis epiderraide tectis 

 prominulis ; ascis lanceolatis ; sporidiis oblongis centro constrictis 

 quadrinucleatis, dein 1-septatis. 



Hab. in ramis Pyri Mali, New England, Amer. bor. (Mur- 

 ray). — Perithecia subinde supra albido-pilosula, an. e mucedine 

 heterogenea ? 



213. D. Tetrastaga ambigua Nits. Pyr. Gerra. p. 311. — Stroraate 2565 

 ambitu et magnitudine maxime vario, mox ramos longe ambiente, 

 mox brevissirao, cortici lignoque supposito oranino iramerso, nigro- 

 limitato, periderraio haud decolorato, facile solubili, cribrose per- 



