﻿ARUM 
  FAMILY 
  25 
  

  

  along 
  a 
  peculiar 
  fleshy 
  spike 
  called 
  a 
  spadix, 
  and 
  frequently 
  

   more 
  or 
  less 
  covered 
  by 
  a 
  large, 
  hood-like 
  bract 
  called 
  a 
  spathe. 
  

   Perianth, 
  when 
  present, 
  of 
  4-6 
  parts 
  ; 
  often 
  wanting. 
  Fruit 
  

  

  usually 
  a 
  berry. 
  

  

  I. 
  ARISJEMA 
  Martius 
  

  

  Perennial 
  herbs, 
  springing 
  from 
  a 
  corm 
  or 
  a 
  tuberous 
  root- 
  

   stock. 
  Spathe 
  rolled 
  up 
  at 
  base. 
  Summit 
  of 
  spadix 
  naked, 
  the 
  

   lower 
  part 
  flower-bearing 
  ; 
  staminate 
  flowers 
  above, 
  pistillate 
  

   ones 
  below. 
  Stigma 
  flat. 
  Ovary 
  1-celled. 
  Berry 
  1-few-seeded. 
  

  

  1. 
  A. 
  triphyllum 
  Schott. 
  INDIAN 
  TURNIP, 
  JACK-IN-THE-PULPIT. 
  

  

  Leaves 
  generally 
  2, 
  each 
  of 
  3 
  elliptical-ovate, 
  pointed 
  leaflets. 
  Spadix 
  

   club-shaped, 
  bearing 
  usually 
  only 
  one 
  kind 
  of 
  fully 
  developed 
  flowers; 
  

   that 
  is, 
  full-sized 
  pistillate 
  and 
  rudimentary 
  staminate 
  ones, 
  or 
  the 
  

   reverse. 
  Spathe 
  much 
  longer 
  than 
  the 
  spadix, 
  and 
  covering 
  it 
  like 
  a 
  

   hood. 
  Corm 
  turnip-like, 
  but 
  much 
  wrinkled, 
  very 
  starchy, 
  and 
  filled 
  

   with 
  intensely 
  burning 
  juice. 
  

  

  2. 
  A. 
  Dracontium 
  Schott. 
  GREEN 
  DRAGON, 
  DRAGON 
  ROOT. 
  Leaf 
  

   usually 
  single, 
  divided 
  into 
  7-11 
  rather 
  narrow, 
  pointed 
  leaflets; 
  

   spadix 
  tapering 
  to 
  a 
  long, 
  slender 
  point, 
  often 
  bearing 
  fully 
  developed 
  

   staminate 
  and 
  pistillate 
  flowers. 
  

  

  H. 
  SYMPLOCARPUS 
  Salisb. 
  (SPATHYEMA) 
  

  

  Rootstock 
  very 
  stout, 
  with 
  many 
  long, 
  cylindrical 
  roots. 
  

   Leaves 
  clustered, 
  vary 
  large, 
  and 
  entire. 
  Spathe 
  shell-shaped, 
  

   very 
  thick. 
  Spadix 
  globular, 
  thickly 
  covered 
  with 
  bisexual 
  flow- 
  

   ers. 
  Sepals 
  4. 
  Stamens 
  4. 
  Style 
  4-angled. 
  Fruit 
  globular 
  or 
  

   ellipsoidal, 
  with 
  the 
  seeds 
  slightly 
  buried 
  in 
  the 
  enlarged 
  spadix. 
  

  

  Coarse, 
  stemless 
  herbs, 
  with 
  a 
  powerful 
  scent 
  like 
  that 
  of 
  

   the 
  skunk 
  and 
  of 
  onions. 
  

  

  1. 
  S. 
  foetidus 
  Nutt. 
  SKUNK 
  CABBAGE. 
  Leaves 
  many, 
  slightly 
  

   petioled, 
  1-2 
  ft. 
  long, 
  appearing 
  after 
  the 
  flowers. 
  The 
  latter 
  are 
  

   usually 
  seen 
  before 
  the 
  ground 
  is 
  wholly 
  free 
  from 
  frost, 
  often 
  earlier 
  

   than 
  any 
  other 
  flower. 
  Bogs 
  and 
  wet 
  meadows, 
  very 
  common 
  N. 
  

  

  ra. 
  ACORUS 
  L. 
  

  

  Rootstocks 
  horizontal, 
  long, 
  and 
  moderately 
  stout, 
  aromatic. 
  

   Leaves 
  long, 
  upright, 
  sword-shaped, 
  Spathe 
  much 
  like 
  the 
  

  

  