' M 



666 Discomycteffi, StictecC, Didyraosporie, Diplonacvia. ^* 



Hab. iu truQcis caesis Pinnum pr. Rybnik Silesiae. — Hyme- 

 nium 40-50 ij.. alt. Adest thallus (proprius?) albido-virescens. 



7. Xylographa scaphoidea Stirt. Grev. III, "p. 35. — Tliallo macula 

 alba vel obioleta indicato; ascomatibus prominulis, fuscis, oblon- 

 gis, rotundatis flexuosisve, parvis, epithecio riniformi, raargine pro- 

 minulo, crasso ; ascis octosporis; sporidiis ellipsoideis, continuis, 

 12-16 s; 6-8, hyaliuis; paraphysibus irregularibus indistinctis, api- 

 cibus fuscis conglutinatis. 



Hab. ad lignum Alni decorticatum Dalwhinnie et Grantown 

 Britanniae. — Hypothecium incolor. Gelatina hymenialis jodo ob- 

 solete coerulesceus, dein fulvescens. Gonidia (propria?) inter ligni 

 fibras interspersa, 12-18 /ji. diam., viridia. 



Sect. 2. Didymosporae Sacc. 



DIPLON/EVIA Sacc. (Hltym. diploos duplex et Ncvma), Ncema, Plirag- 

 7noncevia et Cryptomyces Auct. ex p. — Ascomata rainuta, te- 

 nuissima, innato-erumpentia, epidermide valvata vel laciniata cin- 

 cta, ceracea, plana, subimmarginata. Asci elongati, paraphysati, 8- 

 spori. Sporidia ovoideo-oblonga, 1-septata, hyalina. — Fungilli gra- 

 mini-lichenicolae. 



1. Dlplonaevia Caricum (Auersw. ) Sacc. Ncevza Caricum (Auersw.) ? 

 Fuck. Symb. p. 249, Siiciis Auersw. in schedis. — Gregaria, in- 

 uato-erumpens, epidermide quadrifida cincta , disco subrotundo, 

 flavido 0,3-0,4 mm. lat., extus flavo-brunneolo; ascis oblongis, 8- 

 sporis, 42 s; 6-8; sporidiis distichis, oblongis, 6-8^2,5, 1-septatis, 

 hyalinis; paraphysibus filiformi-clavatis, 2 a. cr. 



Hab. in pag. inf. foliorum Caricis montanae pr, VoIIrads 

 Rhenogoviae. 



2. Diplonaevia paradoxa (Rehm) Sacc. Nivvia paradoxa Rehm Ascom. 

 n. 419, Fhragmoncevia Rehm Disc. p. 165. — Minutissima, discoi- 

 deo-concavula, immarginata, atra, sub epidermide laciniata nidu- 

 lans, sparsa, disco bruoneo-rubescente; ascis clavatis, apice incras- 

 satis, 8-sporis, 50 = 9; sporidiis oblougis, obtusis, 1-ceIIularibus, 

 binucleatis dein 1-septatis, rectis, hyalinis, 10-12 = 3-4; paraphy- 

 sibus filiforraibus, apice dichotomis, clava piriforrai, articulata, 

 4-6 a. crassa, fuscidula terrainatis, ascos superantibus; hypothecio 

 flavescente. 



Hab. ad calamos siccos Junci Hostii in alpibus edit. tyro- 

 lensibus juxta glaciem aeternara. 



