I! 



720 , Discoraycetese, Phacidieao, Hyalosporae, Phacidiuiu. 



sporidiis minutis, hyalinis, sublanceolatis v. oblongo-ovoideis, sajpe 

 2-nucleatis, 7-10 u. long. ^ 



Tlab. in foliis subraortuis Galii trifidi, Soramit Americae 

 borealis. 



53. Phacidium CalthaB Phill. Disc. p. 391 et in Stev. Myc. Scot. p.341. : 

 — Hypophyllum, innatum, in areis brunneis cengregatum, disci- 

 forme, convexum, cinereum ; ascis late clavatis; sporidiis oblongo- 

 fusoideis v. subclavatis, enucleatis, 15-23 s 5-7; paraphysibus fili- 

 formibus, subinde apice furcatis. 



Hab. in foliis dejectis Calthae palustris in Scotia (Ste- 

 venson). 



54. Phacldium capsuiare Schwein. Amer. bor. n. 2055. — Priraura ! 

 innatum, hemisphaericum, punctiforme, fuscum, subpellucidura, nii- 

 nutissiraura, deraum adnatum, atrum, orbiculare, depressum, cor- 

 rugatum, in plures lacinias ruptum. 



Ilab. frequens in capsulis efhortuis VerbasciThapsi, Bethle* 

 hem Amer. bor. 



55. Phacidium giandicolum Schwein. Amer. bor. n. 2056. — Erura- J 

 pens, atro-nitens, minutum, sparsura, ovato-obtusura, centro fere, 

 ut Hysterium assurgens, sed in plures lacinias dehiscens, disco ( 

 dilute fuscescente, 1 mm. diam. 



Hab. rarius obvium in glandibus quercinis, Bethlehem Arae- 

 ricaj bor. 



50. Phacidium ignobile Karst. Rev. p. 160, Trochila Karst. M. F. \, 

 p. 248, Ncevia Rehm Disc. p. 142. — Subgregarium, per epider- 

 midem varie fissam erumpenti-superficiale, primitus clausum, mox 

 apertum, planum v, concaviusculum, margine integro fuscidulura, 

 disco pallidiore, siccum subfuscum, 0,3-0,4 mm. lat. ; ascis fusoi- 

 deo-clavatis, 50-60 s 8-11, octosporis; sporidiis distichis fusoideo- 

 elongatis 2-4-guttuIatis v. spurie tenuiter 1-septatis rectis curvu- 

 lisve, 14-19 5 3-4; paraphysibus filiformibus subinde dichotorae ra- 

 mosis, apice ovoideo-clavato. 



Ilab. ad folia Eriophori vaginati et Caricum arida pr, 

 Mustiala FennifB et ad Albula-Pass HelvetiaB. — Maculis albican- 

 tibus insidens. 



57. Phacidium fuscellum Karst. Rev. p. 100, Trochila Karst. M. F. 

 I, p. 248. — Gregarium, innato-erumpens, subhemisphairicum, fii- 

 sco-pallidum, margine albicans, siccura difi^orraiter contractum, de- 

 pressum, nigricans, 0,3-0,4 mm. lat. ; ascis clavatis, 70-90:^14; 

 Kporidiis fusoideo-oblongatis v. scepius oblongatis, rectis curvulisve, 



