﻿OF 
  BRITISH 
  FUNGI. 
  157 
  

  

  303. 
  Stroma 
  effused, 
  crustaceous. 
  Perithecia 
  im- 
  

   mersed, 
  shortly 
  papillate, 
  paraphyses 
  few. 
  Spo- 
  

   ridia 
  small, 
  cylindrical, 
  curved, 
  pale-coloured. 
  

  

  Stictospileria, 
  Tul. 
  

  

  309. 
  Stroma 
  fused 
  with 
  the 
  matrix. 
  Perithecia 
  im- 
  

  

  mersed, 
  sometimes 
  in 
  the 
  matrix, 
  papillate, 
  

   paraphyses 
  few. 
  Sporidia 
  clustered, 
  linear 
  and 
  

   curved, 
  or 
  ovate 
  and 
  straight, 
  simple, 
  pale. 
  

  

  EUTTPA, 
  Tul. 
  

  

  310. 
  Perithecia 
  none. 
  Nucleus 
  immersed 
  in 
  the 
  

  

  stroma. 
  Ostiolum 
  papillate. 
  Sporidia 
  simple 
  

   or 
  septate. 
  Dothidea, 
  Fr. 
  

  

  311. 
  Epiphyllous. 
  Perithecia 
  globose, 
  immersed 
  in 
  

  

  a 
  fleshy 
  stroma. 
  Sporidia 
  ovate, 
  simple. 
  

  

  POLTSTIGMA, 
  P. 
  

  

  312. 
  Stroma 
  globose, 
  depressed, 
  cellular. 
  Perithecia 
  

  

  immersed, 
  adnate. 
  Sporidia 
  fusiform, 
  four 
  to 
  

   six-celled, 
  pale. 
  Meloguamma, 
  De 
  JSFot. 
  

  

  Section 
  II 
  — 
  Vulsei. 
  

  

  313. 
  Stroma 
  determinate, 
  verruciform. 
  Perithecia 
  

  

  immersed 
  in 
  the 
  stroma. 
  Sporidia 
  small, 
  

   spermatoid, 
  hyaline. 
  Diatrype, 
  Fr. 
  

  

  Sub-Gen. 
  1. 
  Ai-ci 
  many-spored. 
  — 
  Diatrypella. 
  

   ,, 
  2. 
  Asci 
  eight-spored. 
  — 
  Diatrype. 
  

  

  314. 
  Stroma 
  determinate, 
  verruciform. 
  Sporidia 
  two 
  

  

  to 
  four-celled, 
  hyaline. 
  Mamiania, 
  Be 
  Not. 
  

  

  315. 
  Perithecia 
  circulating, 
  rostrate, 
  ending 
  in 
  a 
  com- 
  

  

  mon 
  disc. 
  Sporidia 
  hyaline. 
  Valsa, 
  Fr. 
  

  

  Sub-Gen. 
  1. 
  Sporidia 
  spermatoid, 
  hyaline. 
  — 
  Valsa. 
  De 
  Not. 
  

   ,, 
  2. 
  Sporidia 
  bilocular. 
  — 
  Valsaria. 
  De 
  Not. 
  

   ,, 
  8. 
  Sporidia 
  plurilocular. 
  — 
  Pseudovalsa. 
  De 
  Not. 
  

  

  