﻿REPORT 
  OF 
  THE 
  BOTANIST. 
  49 
  

  

  long, 
  oozing 
  out 
  and 
  covering 
  the 
  spots 
  with 
  a 
  white 
  or 
  glaucous 
  

  

  bloom. 
  

  

  Living 
  leaves 
  of 
  Vaccinium 
  Pennsylvanicum,. 
  Lake 
  Pleasant. 
  

   August. 
  

  

  Septoria 
  Ulmi 
  Kze. 
  

  

  Elm 
  leaves. 
  New 
  Baltimore. 
  Howe. 
  (Datskill 
  mountains. 
  

  

  EXCIPULA 
  LEUCOTRICHA 
  71. 
  SJJ. 
  

  

  Perithecia 
  small, 
  scattered, 
  the 
  disk 
  plane 
  or 
  slightly 
  convex, 
  orbi- 
  

   cular, 
  elliptical 
  or 
  elongated, 
  black, 
  surrounded 
  by 
  a 
  few 
  long 
  septate 
  

   whitish 
  hairs 
  ; 
  spores 
  fusiform, 
  colorless, 
  .0003-.0004' 
  long. 
  

  

  Dead 
  grass 
  leaves. 
  West 
  Albany. 
  June. 
  

  

  The 
  species 
  is 
  well 
  marked 
  by 
  the 
  pale 
  delicate 
  hairs 
  of 
  the 
  

   perithecium. 
  

  

  DlSCELLA 
  MACROSPERMA 
  71. 
  Sp. 
  

  

  Perithecia 
  obsolete; 
  mass 
  of 
  spores 
  prominent, 
  reddish-brown 
  or 
  

   blackish, 
  pale 
  when 
  moist; 
  spores 
  oblong, 
  straight 
  or 
  slightly 
  curved, 
  

   often 
  narrowed 
  toward 
  one 
  end, 
  colorless, 
  .0013-.0016 
  long, 
  .0004' 
  

   broad, 
  containing 
  a 
  granular 
  endochrome. 
  

  

  Dead 
  bark 
  of 
  willows. 
  North 
  Greenbush. 
  July. 
  

  

  DlSCELLA 
  PLATANI 
  71. 
  Sp. 
  , 
  

  

  Pustules 
  small, 
  erumpent, 
  pallid; 
  spores 
  subelliptical 
  or 
  oblong, 
  

   smooth, 
  deciduous, 
  colorless, 
  .0003-.0005' 
  long. 
  

  

  Dead 
  twigs 
  of 
  button 
  wood, 
  Platanus 
  occidentalis. 
  Bethlehem. 
  

   May. 
  

  

  The 
  sporophores 
  rarely 
  remain 
  attached 
  to 
  the 
  spores 
  and 
  these 
  

   have 
  no 
  granular 
  aspect 
  as 
  in 
  D. 
  platyspora. 
  

  

  DlSCELLA 
  KALMLE 
  71. 
  Sp. 
  

  

  Pustules 
  small, 
  erumpent, 
  at 
  length 
  blackish, 
  the 
  perithecia 
  mostly 
  

   deficient 
  above 
  and 
  somewhat 
  excipuliform 
  ; 
  spores 
  oblong-obovate, 
  

   sometimes 
  slightly 
  curved, 
  colorless, 
  .0004-.0006' 
  long. 
  

  

  Dead 
  stems 
  of 
  sheep 
  laurel, 
  Kalmia 
  angustifolia. 
  Sandlake. 
  June. 
  

  

  Melanconium 
  pallidum 
  n. 
  sp. 
  

  

  Struma 
  small, 
  yellowish 
  ; 
  spores 
  oozing 
  out 
  in 
  a 
  blackish 
  mass, 
  

   separately 
  pallid 
  or 
  almost 
  colorless, 
  ovate 
  or 
  oblong, 
  often 
  slightly 
  

   curved 
  and 
  subcymbiform, 
  .0006-.0007 
  long. 
  

  

  Dead 
  branches 
  of 
  Carya 
  alba. 
  West 
  Troy. 
  June. 
  

  

  The 
  species 
  is 
  remarkable 
  for 
  the 
  pale 
  color 
  of 
  the 
  spores. 
  These 
  

   sometimes 
  contain 
  two 
  or 
  three 
  large 
  nuclei. 
  (Plate 
  1, 
  figs. 
  7 
  and 
  8.) 
  

  

  4 
  

  

  