﻿GOOSEFOOT 
  FAMILY 
  73 
  

  

  'l. 
  SPINACIA 
  L. 
  

  

  Herbs. 
  Flowers 
  dioecious, 
  in 
  close 
  axillary 
  clusters. 
  Stami- 
  

   nate 
  flowers 
  3-5-sepaled, 
  with 
  4 
  or 
  5 
  projecting 
  stamens 
  ; 
  pis- 
  

   tillate 
  flowers 
  with 
  a 
  tubular 
  2-toothed 
  or 
  4-toothed 
  calyx. 
  

  

  1. 
  S. 
  oleracea 
  Mill. 
  SPINACH. 
  A 
  soft 
  annual 
  or 
  biennial 
  herb. 
  

   Leaves 
  triangular, 
  ovate, 
  or 
  halberd-shaped, 
  petioled. 
  Cultivated 
  

   from 
  Asia 
  as 
  a 
  pot 
  herb. 
  

  

  H. 
  CHENOPODIUM 
  L. 
  

  

  Annual 
  or 
  perennial 
  herbs. 
  Stems 
  erect 
  or 
  spreading. 
  

   Leaves 
  alternate, 
  usually 
  white-mealy. 
  Flowers 
  small, 
  green- 
  

   ish, 
  in 
  panicled 
  spikes. 
  Calyx 
  3-5-parted, 
  the 
  lobes 
  often 
  

   slightly 
  fleshy 
  and 
  keeled. 
  Stamens 
  5 
  ; 
  filaments 
  thread- 
  

   shaped. 
  Styles 
  2-3, 
  distinct 
  or 
  united 
  at 
  the 
  base. 
  Seed 
  

   lens-shaped.* 
  

  

  1. 
  C. 
  Botrys 
  L. 
  JERUSALEM 
  OAK. 
  A 
  low, 
  spreading 
  plant, 
  covered 
  

   with 
  sticky 
  down. 
  Leaves 
  with 
  slender 
  petioles, 
  oblong, 
  sinuately 
  

  

  A 
  EC 
  

  

  FIG. 
  15. 
  Pigweed 
  (Chenopodium 
  album) 
  

   A, 
  B, 
  flower; 
  C, 
  fruit. 
  (All 
  about 
  seven 
  times 
  natural 
  size) 
  

  

  lobed 
  or 
  the 
  lobes 
  pinnate. 
  Flowers 
  in 
  loose, 
  diverging, 
  leafless 
  ra- 
  

   cemes. 
  The 
  whole 
  plant 
  is 
  sweet-scented. 
  Introduced 
  from 
  Europe 
  

   and 
  naturalized 
  in 
  gardens 
  and 
  along 
  roadsides. 
  

  

  2. 
  C. 
  glaucum 
  L. 
  OAK-LEAVED 
  GOOSEFOOT. 
  Annual, 
  succulent, 
  

   somewhat 
  mealy. 
  Stem 
  spreading, 
  much 
  branched, 
  5-12 
  in. 
  high. 
  

   Leaves 
  varying 
  from 
  oblong 
  to 
  lanceolate, 
  obtuse, 
  some 
  or 
  all 
  of 
  

   them 
  more 
  or 
  less 
  sinuate-toothed, 
  1-2 
  in. 
  long. 
  Flower 
  clusters 
  

   mostly 
  small 
  axillary 
  spikes. 
  A 
  common 
  weed. 
  Naturalized 
  from 
  

   Europe. 
  

  

  3. 
  C. 
  album 
  L. 
  LAMB'S 
  QUARTERS. 
  COMMON 
  PIGWEED. 
  Annual, 
  

   somewhat 
  mealy. 
  Stem 
  erect, 
  usually 
  branching, 
  1-4 
  ft. 
  high. 
  Leaves 
  

  

  