2 STARBÄCK, SPH/ERIACEJ IMPERFECTE COGNITZ. 
cireinatim vel stipatim prominula, aut, sed rarius, in ostiolo 
uno conjunecta erumpentia et tune diseum minutum, paullum 
distinetum formantia, apicibus ostiolorum semper splendide 
nigrescentia. Sporule cylindrice, curvule vel allantoidere, 
5—6 = 1—1,5 u. — Hab.: »Rarius in radicibus arborum pro- 
minentibus, Bethlehem.» -— Species colore stromatum ab alis 
satis diversa. (Cfr: Er. et Ev. N. A. P. p. 470.) — Tab. III: 
Hiss 49 ab 
Spheropsis. 
Sph. fuscescens (FR.) — Spheria fuscescens FR. 
Syn.: Spheria fuscescens Fr. El. Fung. II p. 96. 
Perithecia sparsa, primo matrice obvelata rugosa, denique 
denudata levia, primo semiglobosa basi applanata, mox disci- 
formiter depressa, centro collapsa, papilla ore minuto pertusa, 
perpaullum prominula predita, molliusculo contextu pseudo- 
parenchymatico, coriacea, e fuscis fusco-nigricantia, 200—300 
u diam. Sporule, una alterave ad abrupta basidia affixa, 
primo hyalinge globuliformes, deinde ellipsoideee vel sepe 
ellipsoideo-ineequilaterales, fuligineo-fuscie, 16—20 = 10—12 u. 
Basidia simplicia, filiformia, interdum spurie septata, sporulis 
paullum vel vix longiora, 2,5—3 u crassa. — Hab.: »Ad cor- 
tices in America septentrionali, ScHWEINITZ» (FR. 1. c). — 
Species distincta ab affinibus Sph. fallace (PrREuss.) et Sph. 
abscondita Mont. modo cerescendi peritheciorum formaque sporu- 
larum digreditur. Sph. endophlea Pass., sec. deseriptionem 
affinis, peritheciis rugosissimis vel pilis contextis vestitis, 
minoribus, 100—150 u diam., sec. specimina authentica plane 
planeque a specie nostra differt. — Tab. III. Fig. 50 a—c. 
Sph. rhoina (ScHW.) — Spheria rhuina ScHW. 
Syn.: Spheeria rluwina ScHw. N. A. F. 1662. 
22 
Spheeria rhoina FArRL. H. I. p. 23. 
Perithecia laxe gregaria, interdum 2—pluria connata, cor- 
tice pustulatim elevato primum plane tecta, deinde per rimam 
minutam, angustam perpaullum prominula, demum laciniis corti- 
cis relaxatis arete cineta emergentia, e basi applanata, cortici in- 
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