﻿Report 
  of 
  tee 
  State 
  Botanist. 
  149 
  

  

  Cercospora 
  tenuis 
  ri. 
  sp. 
  

  

  Spots 
  large, 
  sometimes 
  discoloring 
  the 
  whole 
  leaf, 
  reddish 
  

   brown 
  ; 
  hyphaB 
  fasciculate, 
  short, 
  .0016 
  in. 
  long, 
  .00016 
  broad, 
  

   colored, 
  obscurely 
  septate, 
  the 
  tufts 
  appearing 
  like 
  minute 
  black 
  

   dots 
  on 
  the 
  upper 
  surface 
  of 
  the 
  leaf 
  ; 
  spores 
  very 
  slender, 
  gradu- 
  

   ally 
  tapering 
  to 
  the 
  apex, 
  continuous 
  or 
  with 
  one 
  to 
  three 
  septa, 
  

   hyaline, 
  .0016 
  to 
  .0024 
  in. 
  long. 
  

  

  Living 
  leaves 
  of 
  hairy 
  bedstraw, 
  Galium 
  pilosum. 
  Riverhead. 
  

   July. 
  

  

  The 
  species 
  is 
  quite 
  distinct 
  from 
  C. 
  Galii. 
  

  

  Cladosporium 
  episphaerium 
  JSchw. 
  

   On 
  Daldinia 
  concentrica. 
  Elizabethtown. 
  May. 
  

  

  Zygodesmus 
  granulosus 
  PJc. 
  

   Decayed 
  wood 
  of 
  chestnut. 
  Flatbush. 
  August. 
  ZabrisJcie. 
  

  

  Peronospora 
  Hydrophylli 
  Waite. 
  

  

  Living 
  leaves 
  of 
  Virginian 
  waterleaf, 
  Hydrophyllum 
  Virgini- 
  

   cum. 
  Bergen, 
  Genesee 
  county. 
  June. 
  

  

  Peziza 
  Dudleyi 
  n. 
  sp. 
  

  

  Cups 
  irregular, 
  one 
  to 
  two 
  inches 
  broad, 
  sessile, 
  externally 
  

   with 
  a 
  minute 
  appressed 
  white 
  tomentum; 
  hymenium 
  bright 
  

   yellow 
  inclining 
  to 
  saffron 
  or 
  orange, 
  often 
  rimulose 
  ; 
  asci 
  cylin- 
  

   drical 
  ; 
  spores 
  oblong, 
  even, 
  binucleate, 
  somewhat 
  granular 
  

   within, 
  .001 
  to 
  .0012 
  in. 
  long, 
  .0005 
  to 
  .0006 
  broad; 
  paraphyses 
  

   filiform, 
  slightly 
  thickened 
  at 
  the 
  tips. 
  

  

  Ground 
  and 
  decayed 
  wood. 
  Ithaca. 
  October. 
  Dudley. 
  

  

  This 
  fungus 
  appears 
  to 
  be 
  related 
  to 
  such 
  species 
  as 
  P. 
  aurantia 
  

   and 
  P. 
  incequalis, 
  from 
  both 
  of 
  which 
  it 
  is 
  at 
  once 
  distinguished 
  

   by 
  its 
  yellow 
  hymenium 
  and 
  larger 
  spores. 
  

  

  Exoascus 
  Potentillse 
  Sacc. 
  

  

  Living 
  leaves 
  of 
  cinque 
  foil, 
  Potentilla 
  Canadensis. 
  Coopers- 
  

   town 
  Junction. 
  June. 
  Middle 
  Grove. 
  July. 
  

  

  This 
  fungus 
  produces 
  greenish-yellow 
  spots 
  on 
  the 
  leaves. 
  

   These 
  spots 
  are 
  usually 
  convex 
  above, 
  concave 
  below. 
  

  

  