﻿KEY 
  

  

  FAMILY 
  PAGE 
  

  

  Flowers 
  not 
  in 
  catkins 
  ; 
  calyx 
  present, 
  

  

  sometimes 
  petal-like. 
  

  

  (1) 
  Trees 
  or 
  shrubs. 
  

  

  Flowers 
  iiot 
  hypogynous 
  ; 
  plants 
  not 
  climbing 
  . 
  74. 
  Dogwood 
  . 
  . 
  . 
  175 
  

  

  Flowers 
  not 
  hypogynous 
  ; 
  climbing 
  plants 
  . 
  . 
  24. 
  Dutchman's 
  Pipe 
  68 
  

   Flowers 
  hypogynous. 
  

  

  Style 
  single, 
  not 
  cleft, 
  fruit 
  a 
  key 
  (Fraxinus) 
  79. 
  Olive 
  .... 
  189 
  

  

  Style 
  single, 
  not 
  cleft, 
  fruit 
  a 
  drupe 
  ... 
  38. 
  Laurel 
  .... 
  95 
  

  

  Styles 
  2 
  or 
  2-cleft, 
  fruit 
  1-celled 
  . 
  . 
  . 
  .19. 
  Elm 
  62 
  

  

  Styles 
  2 
  or 
  2-cleft, 
  fruit 
  2-celled 
  .... 
  59. 
  Maple 
  . 
  . 
  . 
  .151 
  

  

  Styles 
  3, 
  each 
  2-cleft. 
  Ovary 
  3-celled 
  ... 
  54. 
  Spurge 
  .... 
  145 
  

  

  (2) 
  Herbs. 
  

  

  Flowers 
  not 
  hypogynous 
  ; 
  ovary 
  6-celled 
  ... 
  24. 
  Dutchman's 
  Pipe 
  68 
  

   Flowers 
  not 
  hypogynous 
  ; 
  ovary 
  1-celled 
  ; 
  flowers 
  

  

  in 
  umbel-like 
  clusters 
  22. 
  Sandalwood 
  . 
  . 
  67 
  

  

  Flowers 
  hypogynous. 
  

   (a) 
  Ovary 
  1-celled. 
  

  

  Stamens 
  many 
  33. 
  Buttercup 
  ... 
  83 
  

  

  Stamens 
  few. 
  

  

  Stipules 
  sheathing 
  the 
  joints 
  25. 
  Buckwheat 
  . 
  . 
  69 
  

  

  Stipules 
  wanting. 
  

  

  Rather 
  fleshy 
  herbs 
  26. 
  Goosefoot 
  ... 
  72 
  

  

  Not 
  fleshy. 
  

  

  Ovules 
  on 
  a 
  free 
  central 
  placenta 
  ; 
  deli- 
  

   cate, 
  soft-leaved 
  herbs. 
  (Stellaria) 
  . 
  . 
  31. 
  Pink 
  .... 
  77 
  

  

  Ovule 
  single, 
  coarse 
  herbs 
  27. 
  Amaranth 
  ... 
  74 
  

  

  (ft) 
  Ovary 
  several-celled. 
  

  

  Small 
  prostrate 
  herb; 
  leaves 
  spatulate.whorled 
  29. 
  Ice 
  Plant 
  ... 
  76 
  

   Stipules 
  present, 
  not 
  sheathing. 
  

  

  Style 
  single 
  21. 
  Nettle 
  .... 
  66 
  

  

  Styles 
  2 
  20. 
  Mulberry 
  ... 
  64 
  

  

  Flowers 
  hypogynous, 
  ovary 
  3-celled 
  .... 
  54. 
  Spurge 
  .... 
  145 
  

   Flowers 
  hypogynous, 
  ovary 
  5-10-celled 
  ; 
  fruit 
  a 
  

   berry 
  28. 
  Pokeweed 
  ... 
  76 
  

  

  