Discomycetoa;, Stictoao, Hyalosporoc, Xylographa. G65 



Ascoraatibus matrice exalbata innatis, grogariis, subinde conllueii- 

 tibus, hysterioideo-erumpentibus 0,3-1 mm. long., 0,2-0,5 mm. lat. ; 

 disco elliptico, rarius curvato, flavo-bruiineo, plano; ascis clavatis, 

 apice incrassatis, 8-sporis, 05-70 = 15-17; sporidiis subovatis vel 

 nbiongis, obtusis, nucleo 1 magno centrali prajditis, 1 -collularibus 

 hyaliriis, 9-12 = 5-0, disticliis; paraphysibus filiformibus, superno 

 crassioribus et fuscidulis, conglutinatis; hypothocio hyaliiio; jodi 

 ope hymenio coerulescente. 



Hab. in truncis putridis Abietis, Laricis, Pini Strobi 

 iii Italia, Gormania, Transylvania. 



'. Xylographa linearis Sacc. Mich. II, p. 141, F. ital. 1". 1440 nec Slictis 2m 



'icaris C. et E. — Ascomatibus anguste lanceolatis, vix erum- 



pentibu-s atris; ascis cylindraceis brevissime stipitatis, 45 = 8, apice 



rotundatis; paraphysibus bacillaribus, quandoque ramulosis obval- 



latis, octosporis; sporidiis distichis, tereti-oblongatis, curvulis, ob- 



; tusiusculis, 15-10 = ;5, plerumque 2-guttatis, hyalinis. 



I Hab. in ramis decorticatis induratis, Newfield Amer. bor. (Ellis). 



\. Xylographa laricicola Nyl. Flora 1875 p. 13. — Ascomatibus in 273) 

 matrice griseo-dealbata subsuperficialibus, oblongis v. subflexuosis, 



; inaiqualiter sparsis, denique subexplanatis, margine evanescente, 

 brunneo nigris, intus albidis; ascis octosporis; sporidiis ellipsoideis, 

 continuis, hyalinis, 12-15 = 7-8; paraphysibus obsoletis; disco jodo 

 Tinoso. 



Jlab. in cortice Laricis adhuc viva?, Ben Lawers Scotia Bri- 



i tanniae (Crombie). 



i>. Xylographa arctica Fuck. in Zweite deutsch. Nordpolarf. p. 05, 27r!i 

 tab. I, fig. 11. — Ascomatibus in inacula grisea nigra, quandoque 

 ligni durissimi totam superficiom occupanti, parum elevata, denso 

 gregariis, parallele dispositis, erumpentibus, minutis, atris, primo 



I clausis, sphi\?rin^forinibus, demum apertis, rotundatis seu ellipticis, 

 rima longitudiuali dehiscentibus, margino integro, disco fuscescente; 

 ascis uondum iuventis; sporidiis ovatis oblongo-ovatisvo, nucleatis, 



I fascis, 10-12 = 8. 



Ilab. in iigno decorticato indurato Salicis arctica?, Kaiser- 

 Franz-Josophs Fjord in Groeulandia. 



t). Xyiographa Felsmanni Stein Flechten. Schles. p. 2G2, n. 476. — 2732 

 .\scoinatibus perexiguis, sessilibus, orbicul aribus vcl subellipticis, 

 disco plano, atro-brunnoo, margine tenui, prominulo, brunneo-ni- 



i gro; ascis saccatis, octosporis, sporidiis oblongo-ellipsoideis, sub- 



I inde medio angustutis, 4-7=2. 



