﻿Bull. 
  Torrey 
  Club 
  

  

  Volume 
  47 
  » 
  plate 
  2 
  

  

  ^•* 
  

  

  

  ^W^i 
  

  

  3 
  

  

  I 
  

  

  4 
  

  

  2 
  

  

  ■"^-^■^- 
  

  

  'c-:r 
  

  

  $ 
  

  

  7 
  

  

  I 
  

  

  9 
  

  

  10 
  

  

  11 
  

  

  BOYER: 
  NORTH 
  AMERICAN 
  DIATOM 
  ACEAE 
  

  

  