﻿74 
  KEY 
  AND 
  FLORA 
  

  

  varying 
  from 
  rhombic-ovate 
  to 
  (the 
  uppermost) 
  nearly 
  linear, 
  nar- 
  

   rowed 
  at 
  the 
  base, 
  acute, 
  somewhat 
  angulate-toothed, 
  1-4 
  in. 
  long. 
  

   Spikes 
  terminal 
  and 
  in 
  the 
  leaf 
  axils, 
  often 
  panicled. 
  Calyx 
  with 
  

   keeled 
  lobes, 
  in 
  fruit 
  nearly 
  covering 
  the 
  smooth 
  seed. 
  A 
  common 
  

   and 
  troublesome 
  weed. 
  Naturalized 
  from 
  Europe. 
  

  

  4. 
  C. 
  urbicum 
  L. 
  UPKIGHT 
  GOOSKFOOT. 
  Annual, 
  little 
  or 
  not 
  at 
  

   all 
  mealy. 
  Stem 
  stout, 
  erect, 
  and 
  with 
  erect 
  branches, 
  1-3 
  ft. 
  high. 
  

   Leaves 
  halberd-shaped 
  or 
  triangular, 
  acute, 
  coarsely 
  and 
  sharply 
  

   toothed, 
  except 
  the 
  upper 
  ones, 
  the 
  larger 
  ones 
  3-6 
  in. 
  long. 
  Spikes 
  

   in 
  a 
  narrow, 
  erect 
  panicle. 
  Lobes 
  of 
  the 
  calyx 
  not 
  keeled. 
  Waste 
  

   ground. 
  Naturalized 
  from 
  Europe. 
  

  

  27. 
  AMARANTHACEJE. 
  AMARANTH 
  FAMILY 
  

  

  Mostly 
  herbs, 
  with 
  nearly 
  the 
  characters 
  of 
  the 
  Chenopodia- 
  

   cece, 
  but 
  with 
  usually 
  3 
  dry, 
  translucent, 
  persistent, 
  often 
  

   colored, 
  bracts 
  beneath 
  the 
  flower. 
  Most 
  of 
  the 
  genera 
  are 
  

   tropical 
  ; 
  our 
  commonest 
  species 
  are 
  troublesome 
  weeds, 
  usu- 
  

   ally 
  flowering 
  in 
  midsummer 
  or 
  later. 
  

  

  AMARANTHUS 
  L. 
  

  

  Mostly 
  annual 
  herbs. 
  Leaves 
  alternate, 
  simple, 
  thin, 
  usually 
  

   entire, 
  often 
  bristle-tipped. 
  Flowers 
  mostly 
  3-bracted, 
  small, 
  

   green 
  or 
  purplish 
  in 
  our 
  wild 
  species, 
  in 
  axillary 
  clusters 
  or 
  

   dense 
  terminal 
  spikes. 
  Calyx 
  of 
  5 
  or 
  sometimes 
  3 
  distinct 
  

   erect 
  sepals. 
  Stamens 
  distinct, 
  usually 
  5, 
  anthers 
  2-celled. 
  

   Styles 
  or 
  stigmas 
  2 
  or 
  3. 
  Fruit 
  small, 
  bladdery, 
  1-seeded, 
  with 
  

   2 
  or 
  3 
  beaks 
  formed 
  by 
  the 
  withered 
  styles. 
  

  

  1. 
  A. 
  graecizans 
  L. 
  TUMBLKWKED. 
  Smooth, 
  pale 
  green. 
  Stem 
  

   diffusely 
  branched, 
  whitish, 
  the 
  branches 
  slender, 
  ascending. 
  Leaves 
  

   small, 
  varying 
  from 
  obovate 
  to 
  spatulate, 
  obtuse 
  or 
  retuse, 
  f-l| 
  in. 
  

   long. 
  Flowers 
  greenish, 
  in 
  small 
  axillary 
  clusters, 
  covered 
  by 
  stiff, 
  

   sharp-pointed 
  bracts. 
  Sepals 
  3. 
  In 
  waste 
  ground 
  and 
  a 
  common 
  

   field 
  and 
  garden 
  weed. 
  In 
  the 
  autumn 
  the 
  leaves 
  drop 
  and 
  the 
  globu- 
  

   lar 
  stem 
  and 
  branches 
  roll 
  freely 
  about 
  before 
  the 
  wind. 
  

  

  2. 
  A. 
  spinosus 
  L. 
  SPINY 
  AMAKANTH. 
  Stem 
  stout, 
  ridged, 
  smooth, 
  

   bushy-branched, 
  often 
  red, 
  1-4 
  ft. 
  high. 
  Leaves 
  varying 
  from 
  ovate 
  

   to 
  lanceolate, 
  tapering 
  to 
  both 
  ends, 
  dull 
  green, 
  -3 
  in. 
  long, 
  each 
  

   with 
  a 
  pair 
  of 
  stiff 
  spines 
  in 
  its 
  axil. 
  Flower 
  clusters 
  of 
  two 
  sorts, 
  

  

  