﻿EXPLANATION 
  OF 
  PLATE 
  I. 
  

  

  Agaricus 
  (Lepiota) 
  pusillomyoes 
  Peck, 
  

  

  Page 
  48. 
  

  

  Fig. 
  1. 
  Two 
  plants 
  of 
  ordinary 
  size. 
  

   Fig. 
  2. 
  Vertical 
  section 
  of 
  a 
  pileus. 
  

   Fig. 
  3. 
  Spores 
  x 
  400. 
  

  

  Tbemella 
  mycetophila 
  Peck. 
  

   Page 
  53. 
  

   Fig. 
  4. 
  Three 
  plants 
  of 
  ordinary 
  size 
  growing 
  on 
  Agaricus 
  dryophilus. 
  

  

  MotfOTOSPORA 
  BISEPTATA 
  Peck. 
  

  

  Page 
  62. 
  

  

  Fig. 
  5. 
  A 
  block 
  of 
  wood 
  bearing 
  a 
  patch 
  of 
  plants. 
  

  

  Fig. 
  6. 
  A 
  plant 
  bearing 
  an 
  immature 
  spore 
  X 
  400. 
  

  

  Fig. 
  7. 
  A 
  plant 
  bearing 
  a 
  mature 
  spore 
  x 
  400. 
  

  

  Fig. 
  8. 
  Detached 
  spores 
  x 
  400. 
  

  

  Olavaria 
  gracilllma 
  Peck. 
  

  

  Page 
  53. 
  

   Fig. 
  9. 
  Two 
  plants 
  of 
  ordinary 
  size. 
  

  

  Olavaria 
  pulchra 
  Peck. 
  

   Page 
  53. 
  

   Fig. 
  10. 
  Two 
  plants 
  of 
  ordinary 
  size. 
  

  

  Helotium 
  pileatum 
  Peck. 
  

   Page 
  67. 
  

  

  Fig. 
  11. 
  Piece 
  of 
  an 
  herb 
  stem 
  bearing 
  three 
  plants 
  of 
  ordinary 
  size. 
  

  

  Fig. 
  12. 
  A 
  plant 
  magnified. 
  

  

  Fig. 
  13. 
  An 
  ascus 
  containing 
  spores 
  x 
  400. 
  

  

  Fig. 
  14. 
  Spores 
  x 
  400. 
  

  

  Lekti^us 
  umbilicatus 
  Peck. 
  

  

  Page 
  51. 
  

  

  Fig. 
  15. 
  A 
  plant 
  of 
  ordinary 
  size 
  with 
  the 
  stem 
  eccentric. 
  

  

  Fig. 
  16. 
  A 
  plant 
  of 
  ordinary 
  size 
  with 
  the 
  stem 
  central. 
  

  

  Fig. 
  17. 
  Vertical 
  section 
  of 
  a 
  pileus. 
  

  

  Fig. 
  18. 
  Transverse 
  section 
  of 
  a 
  stem. 
  

  

  Fig. 
  19. 
  Spores 
  x 
  400. 
  

  

  