Discomycetse, Pezizacefe, Hyalosporra, Dasyscypha. 779 



Hab. in cortice et in ramis Tilias americanaR Nebraska, 

 Amer. bor. 



DASYSCYPHA (Fr.) Fuck. — Syll. VIII, p. 432, X, p. 21, XI, p. 412. 



1. Oasyscypha Soppittli Mass. British Fung. lY, p. 330. — Asco- 2922 

 matibus sparsis, stipitatis, niveis, globosis, initio clausis, dein sub- 

 planis, margine ciliato, ^/.^-^ / , mm. diam., extus dense pilosis; pilis 

 cyiindraceis parce septatis erectis, minute asperulis, 6.0-90 >^ 4 ; 

 contextu parenchymatico, cellulis subquadratlcis, 8-9 ^. diam., 

 deorsum angustioribus et elongatis; ascis late cylindraceo-clavatis, 

 apice obtusis, octosporis, pedicello brevi, firmo; sporidiis irroguk- 

 riter distichis, levibus, byalinis, ellipticis, utrinque acutis, erecfejs, 

 maturitate uniseptatis, 9-11 >!# 3; paraphysibus lanceolatis, apice 

 acutis, 3-5-septati8, ad septa ssepe leniter constrictis, ascis dimidio 

 minoribus, in parte incrassata 6-6 u, crassis. 



Hab. in foliis emortuis dejeotis quercinis in Britannia (Sgppitt). 



2. Dasyscypha scintillans Mass. Britisk Fung. IV, p. 328. — Asco- 2923 

 matibus sparsis, stipitatis, globosis, clausis, dein explanatis, '/,-'/ 

 mm. latis altisque, tonuibus, extus albis, piiosis, excipulo paren 

 chymatico, celiulis plus minusve quadraticis, basim versus longis 

 angustisque; pilis ad marginem lougis et numerosis, 40-60 %< B-6, 

 apice obtusis v. levissime incrassatis, septatis, ssepe minute aspe- 

 rulis; disco albido v. subluteolo; stipite brevissimo; ascis cylin- 

 draceo-clavatis, octosporis, basi crassioribus; sporidiis irregulariter 

 distichis, cyiindraceis, 7-8 v 1 ; paraphysibus lanceolatis, apice acutis, 

 ascis duplo longioribus, 4-5 \i.. crassis, hyalinis. 



Hab. in foiiis emortuis quercinis in Britannia. 



3. Dasyscypha ciliaris (Schrad.) Sacc.-Syll. VIII, p. 443, — Var. 2924 

 oarpinea Mout. Compt. rend. Bull. Soc. Roy. Bot. Belg. XXXVI, 

 1897, 2 part. p. 20 (Lachnum), — A typo differt ascomatibus 

 gracilioribus et sporidiis constanter brevioribus; ascis 55 v 7 ; spori- 

 diis late fusiformibus, 10-12 «^ 3 y^; pilis 4 /x. crassis. 



Hdb. in foliis putrescentibus Carpini pr. Liege Belgii. 



4. Dasyscypha aurea Massee, Journ. of Bot. 1896, p. 146. — Asco* 2925 

 matibus gregariis, sessilibus, in basim brevem stipitifcrmem an- 

 gustatis, depresso-globosis, initio clausis, dein expansis, margine 

 plus miunsve erecto, tenuibus, 1 '/^-2 mm. diam., sulphureis, extus 

 dense villosis; pilis confertis, rectis v. levissime flexuosis, tenui- 



. tianicatis, parce aeptatis, cylindraceis, apice obtusis, minute aspe- 

 rulis, iMllide iateis, 150-200^4-5; hypothpcio et excipulc paren- 



