﻿OF 
  BRTTTSH 
  FUNGI. 
  161 
  

  

  312. 
  Parasitic 
  on 
  grass. 
  Coloured. 
  Perithecia 
  fleshy, 
  

   immersed 
  in 
  a 
  mycelioid 
  stroma. 
  Sporidia 
  

   linear. 
  Epichloe, 
  Fr. 
  

  

  343. 
  Stroma 
  variable. 
  Perithecia 
  fleshy, 
  pallid 
  or 
  

  

  coloured, 
  ovato-globose 
  and 
  obtuse. 
  Asci 
  eight- 
  

   spored. 
  Sporidia 
  uniseriate, 
  didymous, 
  with 
  

   two 
  globose 
  and 
  equal 
  cells, 
  at 
  length 
  separa- 
  

   ting. 
  Hypocrea, 
  Fr. 
  

  

  344. 
  Parasitic 
  on 
  fungi. 
  Mycelium 
  byssoid. 
  Peri- 
  

  

  thecia 
  small, 
  globose, 
  papillate. 
  Asci 
  eight- 
  

   spored 
  (rarely 
  two 
  to 
  tour), 
  without 
  paraphyses. 
  

   Sporidia 
  uniseriate, 
  lanceolate 
  or 
  elliptic, 
  rarely 
  

   obtuse, 
  uniseptate, 
  ejected 
  in 
  tendrils. 
  

  

  Htpomtces, 
  Tul. 
  

  

  345. 
  Stroma 
  definite. 
  Perithecia 
  free, 
  clustered 
  or 
  

  

  scattered, 
  black 
  or 
  coloured, 
  fleshy 
  or 
  horny. 
  

   Asci 
  eight 
  or 
  many-spored. 
  Sporidia 
  of 
  two 
  

   kinds. 
  Nectria, 
  Fr. 
  

  

  346. 
  Perithecia 
  erect, 
  contained 
  in 
  a 
  coloured 
  sac, 
  

  

  which 
  is 
  free 
  above. 
  Ostiolum 
  punctiform. 
  

  

  Oomyces, 
  B. 
  and 
  Br. 
  

  

  346.* 
  Perithecia 
  cylindrical. 
  Sporidia 
  filiform 
  

  

  Acrospermum, 
  Tode. 
  

  

  Order 
  XXIX.-PERISPOPJACEI. 
  

  

  Perithecia 
  sub-globose, 
  astomous, 
  membranaceous, 
  

   often 
  seated 
  on 
  threads, 
  and 
  appendiculate. 
  Nucleus 
  

   never 
  diffluent. 
  

  

  Genera. 
  

  

  347. 
  "Without 
  appendages. 
  Asci 
  clavate. 
  Spores 
  

  

  numerous. 
  Peribporium, 
  Fr. 
  

  

  348. 
  Central 
  peridium 
  attached 
  to 
  radiating 
  fibres 
  

  

  Secondary 
  peridium 
  ascigerous. 
  Asci 
  cylin- 
  

   drical. 
  Lasiobotryb, 
  Kze 
  

   M 
  

  

  