Sphferioi(lea3, Hyalosporse, Cytospora. 259 



lis nurnerosis, minutissimis, circiruitim ordinatis; sporulis cylindri- 

 cis, curvulis, 6-2, tandem iu cirros rubentes protrusis; sterigma- 

 tibus longiusculis, filiformibus, ramosis. 



Hab. in ramis Alni glutinosre et incance in Suecia, Ger- 

 mania, Gallia et Fennia. 



39. Cytospora stenopora Sacc. Myc Ven. n. 751. Vahcu slenopoyce i5i2 

 spermogonium. Cfr. Syll. I. p. 129. — Stromatibus gregariis, sub- 

 cutaneo-erumpentibus, conicis, griseis, obsolete plurilocellatis, disco 

 minuto erumpente; sporulis allantoideis, exiguis, curvulis, 4-5:=; 

 0,5, hyalinis. 



Ilab. in ramis Alni glutinosce in Italia et Gallia, socia 

 Valsa. 



40. Cytospora umbrina (Bon.) Sacc. PsecacUa umbrina Bonord. Ab- 1513 

 liandl. p. 131, t. II. f. 6. — Stromate hemisphserico obtuso, um- 

 brino demum nigro, subcutaneo, prominulo vix erumpente, intus 

 lobato-1-loculari, pallidiore; sporulis allantoideis, minimis, hyali- 

 nis; basidiis ramulosis filiformibus. 



Ilab. \\\ ramis Alni in Guestphalia. — u An Dendrophomafr), 



41. Cytospora horrida Sacc. Valsce horridcc stat. spermog. Nits. Pyr. 1514 

 Germ. p. 176. — Stromatibus e basi ovata convexis, depressis, su- 

 bito in disculum minutum, ellipticum, planum, peridermium tan- 

 dem transversim erumpentera idque vix superantem attenuatis, 

 multilocularibus, loculis numerosissimis, sine ordine stipatis, extus 

 castaneis, intus ■viridulis, poro in disculo minuto, albido-cinereo 

 iinico centrali, rarius pluribus perforatis ; sporulis cylindricis, cur- 

 vulis, hyalinis, ia sterigmatibus dichotorae ramosis, 20-48 p.. lon- 



gis acrogenis. 



Hab, in rarais dejectis Betula; albee prope Miinster Ger- 

 mania?. 



42. Cytospora betuh"na Ehrenberg Sylv. Ber. p. 28. — Peritheciis isis 

 depressis atris, disco erumpente, cirro tenui rabello. 



Ilab. in ramis Betulae albae et verrucosae in Germania, 

 Belgio et Sibiria. — Cellulpe in cortice interiore obvallatai absque 

 stromate et conceptaculo. Discus erumpens, grumosus, cinerescens, 

 planus. 



43. Cytospora steiluiata Sacc. Valsco sielhdaicc spermog. Fuck. Symb. 1516 

 p. 196. — Stromatibus multicellularibus ; gelatina globuliformiter 



vel irregulariter expulsa, sordida; sporulis majusculis, cyiindra- 

 ceis, curvatis, 16i;3-4. 



Ilab. in raraulis emortuis Ulmi carapestris in Rhenogovia. 



