﻿Report 
  op 
  the 
  Botanist. 
  81 
  

  

  although 
  his 
  occur 
  on 
  Rhyncosia 
  leaves 
  and 
  are 
  destitute 
  of 
  

   fruit. 
  To 
  this 
  extent 
  ours 
  must 
  be 
  regarded 
  as 
  doubtful. 
  

  

  Sph^rella 
  oblivia 
  Cooke. 
  

  

  Fallen 
  leaves 
  of 
  Rhododendron 
  maximum. 
  Buffalo. 
  

   Clinton. 
  

  

  Sphjerella 
  carpinea 
  Ft. 
  

  

  Fallen 
  leaves 
  of 
  Carpinus 
  Americana. 
  Buffalo. 
  Clin- 
  

   ton. 
  North 
  Greenbush. 
  May. 
  

  

  Sph^erella 
  spars 
  a 
  Awd. 
  

  

  Fallen 
  leaves 
  of 
  beech 
  and 
  basswood. 
  Buffalo. 
  Clinton. 
  

   Also 
  on 
  chestnut 
  leaves. 
  North 
  Greenbush. 
  May. 
  

  

  Spelerella 
  indistincta 
  n. 
  sp. 
  

  

  Perithecia 
  minute, 
  innate, 
  slightly 
  prominent, 
  scattered 
  

   or 
  subgregarious, 
  globose, 
  black 
  ; 
  asci 
  subcylindrical, 
  .0014'- 
  

   .0018' 
  long 
  ; 
  spores 
  crowded, 
  elongated, 
  hyaline, 
  simple 
  or 
  

   obscurely 
  uniseptate, 
  .001/-.0011' 
  long, 
  generally 
  slightly 
  

   curved. 
  

  

  Dead 
  leaves 
  of 
  Pteris 
  aquilina. 
  Center. 
  June. 
  

  

  The 
  perithecia 
  are 
  so 
  small 
  as 
  to 
  be 
  easily 
  overlooked. 
  

   The 
  spores 
  are 
  quite 
  unlike 
  those 
  of 
  Sphcerella 
  Pteridis, 
  

   being 
  twice 
  as 
  long 
  and 
  not 
  distinctly 
  septate. 
  

  

  Sphjerella 
  orbicularis 
  n. 
  sp. 
  

  

  Perithecia 
  minute, 
  innate, 
  covered 
  by 
  the 
  epidermis 
  which 
  

   is 
  at 
  length 
  pierced 
  or 
  ruptured, 
  occupying 
  distinct 
  or 
  sub- 
  

   confiuent 
  orbicular 
  brownish 
  spots 
  ; 
  asci 
  subcylindrical 
  ; 
  

   spores 
  oblong, 
  uniseptate, 
  colored, 
  .0004 
  / 
  -.0005 
  / 
  long. 
  

  

  Upper 
  surface 
  of 
  fallen 
  poplar 
  leaves. 
  Center 
  and 
  North 
  

   Greenbush. 
  June. 
  

  

  The 
  spots 
  on 
  the 
  leaves 
  resemble 
  those 
  of 
  Venturia 
  orbic- 
  

   ula 
  on 
  oak 
  leaves. 
  Sometimes 
  the 
  epidermis 
  peels 
  off 
  

   revealing 
  the 
  perithecia 
  beneath. 
  These 
  are 
  often 
  more 
  

   numerous 
  near 
  the 
  margin 
  of 
  the 
  spot 
  than 
  in 
  the 
  center. 
  

  

  Venturia 
  Myrtilli 
  Cooke. 
  

  

  Fallen 
  leaves. 
  New 
  Scotland. 
  Albany 
  county. 
  June. 
  

  

  Venturia 
  maculans 
  n. 
  sp. 
  

  

  Perithecia 
  very 
  minute, 
  innate, 
  seated 
  on 
  small 
  irregular 
  

   more 
  or 
  less 
  confluent 
  grayish-brown 
  spots, 
  crowned 
  by 
  a 
  

   11 
  

  

  