﻿6 
  KEY 
  AND 
  FLORA 
  

  

  Styles 
  or 
  stigmas 
  3, 
  separate. 
  Petals 
  3, 
  lasting 
  FAMILY 
  PAGE 
  

  

  several 
  days. 
  Leaves 
  netted-veined 
  . 
  . 
  10. 
  (Trillium) 
  Lily 
  . 
  30 
  

   Style 
  1, 
  stigma 
  3-lobed 
  or 
  6-toothed. 
  

   Corolla 
  not 
  actinomorphic. 
  Aquatic 
  herbs 
  

  

  with 
  parallel-veined 
  leaves 
  8. 
  Pickerel 
  Weed 
  . 
  28 
  

  

  1 
  1 
  1 
  Perianth 
  actinomorphic, 
  its 
  divisions 
  all 
  alike 
  

  

  or 
  nearly 
  so, 
  petal-like 
  10. 
  Lily 
  .... 
  30 
  

  

  ** 
  Perianth 
  not 
  hypogynous. 
  

  

  Anthers 
  6 
  11. 
  Amaryllis 
  . 
  . 
  43 
  

  

  Anthers 
  3 
  12. 
  Iris 
  .... 
  45 
  

  

  Anthers 
  1 
  or 
  2 
  13. 
  Orchis 
  ... 
  47 
  

  

  SUBCLASS 
  II. 
  DICOTYLEDONS. 
  Flowers 
  usually 
  with 
  their 
  parts 
  in 
  

   fives 
  or 
  fours. 
  Leaves 
  netted-veined. 
  Cotyledons 
  2. 
  

  

  I. 
  ApetalOUS 
  Division. 
  Flowers 
  without 
  a 
  corolla 
  or 
  without 
  either 
  calyx 
  or 
  

   corolla. 
  1 
  

  

  Flowers 
  monoecious 
  or 
  dioecious, 
  one 
  or 
  both 
  

   sorts 
  in 
  catkins. 
  

  

  (1) 
  Staminate 
  flowers 
  in 
  catkins, 
  the 
  pistillate 
  ones 
  

  

  solitary 
  or 
  clustered. 
  

  

  Leaves 
  pinnately 
  compound 
  16. 
  Walnut 
  ... 
  52 
  

  

  Leaves 
  simple 
  18. 
  Beech 
  .... 
  58 
  

  

  (2) 
  Both 
  kinds 
  of 
  flowers 
  in 
  catkins, 
  

   (a) 
  Leaves 
  alternate. 
  

  

  Ovaries 
  in 
  fruit 
  becoming 
  fleshy 
  and 
  com- 
  

   bining 
  into 
  an 
  aggregate 
  fruit 
  . 
  . 
  . 
  20. 
  Mulberry 
  . 
  . 
  64 
  

  

  Fruit 
  1-seeded, 
  a 
  drupe 
  or 
  minute 
  nut. 
  

   Aromatic 
  shrubs 
  15. 
  Bayberry 
  . 
  . 
  51 
  

  

  Fruit 
  a 
  capsule, 
  seeds 
  with 
  silky 
  hairs 
  . 
  . 
  14. 
  Willow 
  ... 
  48 
  

  

  Fruit 
  a 
  minute 
  nut 
  or 
  akene. 
  Mostly 
  large 
  

  

  shrubs 
  or 
  trees, 
  not 
  very 
  aromatic 
  . 
  . 
  17. 
  Birch 
  .... 
  54 
  

   (6) 
  Leaves 
  opposite, 
  small 
  parasitic 
  shrubs 
  . 
  . 
  23. 
  Mistletoe 
  ... 
  68 
  

  

  B 
  

  

  Flowers 
  not 
  in 
  catkins, 
  both 
  calyx 
  and 
  co- 
  

   rolla 
  wanting 
  46. 
  Sycamore 
  . 
  . 
  113 
  

  

  i 
  When 
  only 
  one 
  floral 
  envelope 
  is 
  present, 
  this 
  is 
  said 
  to 
  be 
  the 
  calyx 
  and 
  

   the 
  corolla 
  is 
  considered 
  to 
  be 
  missing. 
  

  

  