GL0NICJ3I. 33 



Hygterium, of many authors. 



Distinguished by the elongated, narrow, carbonaceous 

 ascophore, and the hyaline, 1-septate spores. In one British 

 species the spores are pale brown. 



Gloniuin lineare. De Xotaris, Giom. Bot. Ital., ii. 

 p. 594; Sacc, SvlL, n. 55SS : Behm, Krypt.-riora, Hyst., 

 p. 10. 



Sometimes scattered, but usually densely gregarious, and 

 parallel, forming black patches, semi-immersed, linear, 

 straight or curved, ends obtuse, opaque black, lips very 

 slightly tumid, slit narrow, 2-6 mm. long, ^J mm. broad, 

 carbonaceous ; asci cylindric-clavate, apex rounded, 8-spored ; 

 spores irregularly uniseriate, broadly elliptical, 1-septate, 

 the apical cell broader than the basal one, smooth, hyaline, 

 12-14 fjL long, upper ceU 7-8 /j. broad ; paraphyses filiform, 

 septate, branched and coloured above. 



Hysterium lineare, Fries, Yet. Akad. Handl., 1819, p. 92; 

 Cke., Hdbk., p. 760. 



Hysterium confluens, Wallr., Fl. Crypt., ii. p. -HO. 



On naked wood of various kinds. 



Usually densely crowded and staining the wood black, 

 only very slightly prominent. Often very long ; Eehm says 

 3—20 mm. long. 



Specimen in Fries' Scler. Suec, n. 90, examined. 



Glonium amplum. Duby, Hyst., p. 37 ; Eehm, Krypt.- 

 Flora, Hyst., p. 12; Sacc, SvlL, ii. n. .jOOO. 



Generally densely crowded and fonning black patches, 

 seated on a subiculum of brown, septate, branched hyphae, 

 3-A jj. thick; ascophore blackish-brown, nearly circular, 

 slightly depressed, sometimes slightly curved or with a ten- 

 dency to branch, slit very narrow, up to 1-5 mm. long, ends 

 rounded ; asci clavate, wall thick upwards, 8-spored ; spores 

 irregularly 2-seriate, fusiform, 1-septate, slightly constricted 

 at the septum, clear pale brown at maturity, each cell usually 

 1-guttulate; paraphyses slender, branched above. 



Aulographum amplum, B. & Br., n. 782, in Ann. Xat. Hist., 

 vol. xiii. 



Hysterium amplum, Cke., Hdbk., p. 700. 



On dead bramble stems. 



Type specimens examined. 



VOL. IV. D 



