BASYSCyPHA. 337 



pulum delicate, parencliymatoTis, cells small, elongated 

 radially ; clothed externally with delicate, branched, asep- 

 tate, cylindrical, hyaline hairs about 3 /x, diameter, most 

 abundant near the margin, interwoven, length variable, 

 60-1 00 fjL ; asci cylindric-clavate, 8-spored ; spores irregularly 

 biseriate, linear-elliptic or cylindrical, 7-8 x 1 • 5 /a, hyaline, 

 continuous ; paraphyses slender, rather longer than the asci, 

 apex not thickened. 



Peziza aranea, De Notar., Micr. Ital., Dec. i. n. 1, 



Lachnella aranea, Phillips, Brit. Disc, p. 272. 



Triehopeziza aranea, Sacc, Syll., viii. n. 1715. 



Inside fallen husks of Spanish chestnut. 



Allied to B. araneo-cincta, but distinguished by the cylin- 

 drical, branched, wavy hairs and the slender paraphyses. 



Specimen in Phillips' Elv. Brit., n. 165, examined. 



Dasyscypha araneo-cincta. Mass. 



Scattered and gregarious, sessile but attached by a central 

 point only, hemispherical then expanded and concave, about 

 ^ mm. across, entirely white, disc yellowish when dry ; 

 excipulum delicate, parenchymatous, cells small, elongate 

 radially ; externally delicately pilose, hairs most numerous 

 near the margin, tapering regularly from base to apex, 

 60-100 fi. long, 6-6 /a thick at the base, 1-5 /a thick at the 

 apex, thin walled, indistinctly septate, rather wavy ; asci 

 clavate, usually curved, 8-spored, spores irregularly biseriate, 

 fusiform, or the apex sometimes obtuse, 10-13 x 1"5 ^u,, 

 continuous, hyaline ; paraphyses stout, apex clavate. 



Peziza araneo-cincta, Phil., Buoknali's Fung. Bristol, n. 621. 



Lachnella araneo-cincta, Phil., Brit. Disc, p. 271. 



Triehopeziza araneo-cincta, Sacc, Syll., viii. n. 1721. 



On decaying birch leaves. 



Allied to D. aranea, but distinguished by the tapering, 

 pointed hairs and clavate paraphyses. 



Dasyscypha acuum. Sacc, Syll., viii. n. 1845. 

 Ascophores gregarious or scattered, shortly stipitate, at 

 first globose and closed, finally becoming nearly plane, 

 l-X mm. across ; entirely white, or more or less tinged with 

 pink, especially when dry ; externally minutely viUose, 

 hairs very short and delicate, thin-walled, cylindrical, obtuse, 

 rarely 1-septate, 20-30 x 3-^4 /a ; cortex delicately parenohy- 



VOL. IV. z 



