PATINELLA. 93 



fusiform, or almost cylindrical, continuous, hyaline, smooth, 

 3-4-guttulate, 10-14 x 1 '5-2 p. ; paraphyses numerous, 

 slender, equal, about 1 5 p thick, tips not thickened, often 

 wavy, and sometimes branched. 



PateUarta rubro-tingens, B. & Br., in herb. ; PhiL, Brit. 

 Disc., p. 367. 



On decorticated oak wood. 



Type specimen examined. 



Patinella macrospora. Mass., Grev., vol. xxii. p. 44. 

 (figs. 33-35, p. 91.) 



Ascophore 1-1 5 mm. across, sessile and broadly adnate, 

 margin slightly raised at first, often becoming quite plane 

 with age, blackish, somewhat coriaceous ; marginal cells 

 of the excipulum small, erect, parallel, crowded, septate, 

 slightly clavate, dark olive-green ; asci cylindrical, narrowed 

 downwards below the spore-bearing portion into an oblique 

 pedicel ; spores 8, obliquely uniseriate, broadly elliptical, 

 ends rather acute, hyaline, continuous, usually 1-guttulate, 

 11-12x6-7 p.; paraphyses numerous, cylindrical, not 

 thickened at the apex, septate 1 52 p. thick, colourless. 



On rotten wood. 



Gregarious ; apparently distinct from all previously 

 described species, the large acute pointed spores being the 

 most pronounced character. 



Patinella flexella. Sacc., Syll., viii. n. 3160; Kehm, 

 Krypt.-Flora, Disc., p. 313. 



Ascophore superficial or seated in cracks in the matrix, 

 sessile, oblong or variously angular, often compressed, 

 margin thin, more or less incurved, black ; up to f mm. 

 long ; excipulum indistinctly parenchymatous, cells minute, 

 dark-coloured ; asci clavate, apex rounded, wall thick, 

 8-spored ; spores irregularly 2-seriate, hyaline, elliptic- 

 oblong, ends obtuse, continuous, straight, rarely very 

 slightly bent, smooth, 6-10 X 3-4 p. ; paraphyses septate, 

 about 2 p. thick, branched, rather thickened and brown at 

 the tip ; hypothecium dark brown. 



Patellaria flexella, Phil., Brit. Disc., p. 362. 



On decorticated wood, especially coniferous. 



Specimen examined in Rehm's Ascom., n. 164. 



