﻿COMPOSITE 
  FAMILY 
  247 
  

  

  lanceolate 
  or 
  oblong, 
  the 
  segments 
  finely 
  cut 
  and 
  divided, 
  smooth 
  ot 
  

   downy, 
  the 
  lower 
  petioled, 
  the 
  upper 
  sessile. 
  Heads 
  small, 
  numerous, 
  

   in 
  flat-topped 
  corymbs 
  ; 
  bracts 
  downy. 
  Ray 
  flowers 
  4-5, 
  white 
  or 
  

   pink, 
  rays 
  3-lobed 
  at 
  the 
  apex. 
  Common 
  in 
  old 
  fields.* 
  

  

  IX. 
  ANTHEMIS 
  L. 
  

  

  Aromatic 
  or 
  ill-scented 
  herbs. 
  Leaves 
  finely 
  pinnately 
  

   divided. 
  Heads 
  many-flowered, 
  with 
  ray 
  flowers. 
  Rays 
  pistil- 
  

   late 
  or 
  neutral. 
  Involucre 
  of 
  many 
  small, 
  dry, 
  close-pressed 
  

   scales. 
  Akenes 
  nearly 
  cylindrical, 
  generally 
  ribbed, 
  barely 
  

   crowned 
  or 
  naked 
  at 
  the 
  summit. 
  

  

  1. 
  A. 
  Cotula 
  L. 
  MAYWEED, 
  DOG 
  FENNEL. 
  Leaves 
  irregularly 
  cut 
  

   into 
  very 
  many 
  narrow 
  segments. 
  Heads 
  small, 
  produced 
  all 
  summer. 
  

   Disk 
  yellow. 
  Rays 
  rather 
  short, 
  white, 
  neutral. 
  A 
  low, 
  offensive- 
  

   smelling 
  annual 
  weed, 
  by 
  roadsides 
  and 
  in 
  barnyards. 
  

  

  2. 
  A. 
  arvensis 
  L. 
  FIELD 
  CHAMOMILE. 
  Annual 
  or 
  biennial. 
  Re- 
  

   sembling 
  A. 
  Cotula, 
  but 
  without 
  offensive 
  smell. 
  Leaves 
  less 
  finely 
  

   once 
  or 
  twice 
  pinnately 
  parted. 
  In 
  fields 
  and 
  waste 
  ground. 
  Natu- 
  

   ralized 
  from 
  Europe. 
  

  

  X. 
  CHRYSANTHEMUM 
  L. 
  

  

  Perennials, 
  with 
  toothed, 
  pinnately 
  cut 
  or 
  divided 
  leaves. 
  

   Heads 
  nearly 
  as 
  in 
  Anthemis, 
  except 
  that 
  the 
  ray 
  flowers 
  are 
  

   pistillate. 
  

  

  1. 
  C. 
  Leucanthemum 
  L. 
  OXEYE 
  DAISY, 
  WHITEWEED, 
  BULL'S-EYE, 
  

   SHERIFF 
  PINK. 
  Stem 
  erect, 
  unbranched 
  or 
  nearly 
  so, 
  1-2 
  ft. 
  high. 
  

   Basal 
  leaves 
  oblong-spatulate, 
  petioled, 
  deeply 
  and 
  irregularly 
  toothed 
  ; 
  

   stem 
  leaves 
  sessile 
  and 
  clasping, 
  toothed 
  and 
  cut, 
  the 
  uppermost 
  ones 
  

   shading 
  off 
  into 
  bracts. 
  Heads 
  terminal 
  and 
  solitary, 
  large 
  and 
  showy, 
  

   with 
  a 
  yellow 
  disk 
  and 
  many 
  white 
  rays. 
  A 
  troublesome 
  but 
  hand- 
  

   some 
  perennial 
  weed. 
  Naturalized 
  from 
  Europe, 
  chiefly 
  E. 
  

  

  2. 
  C. 
  frutescens 
  L. 
  MARGUERITE. 
  Erect, 
  branching, 
  perennial, 
  

   woody 
  below, 
  smooth, 
  and 
  with 
  a 
  pale 
  bloom. 
  Divisions 
  of 
  the 
  leaves 
  

   linear, 
  with 
  the 
  uppermost 
  leaves 
  often 
  merely 
  3-cleft 
  bracts. 
  Heads 
  

   long-peduncled, 
  showy, 
  with 
  a 
  yellow 
  disk 
  and 
  large, 
  spreading 
  white 
  

   rays. 
  Cultivated 
  in 
  greenhouses. 
  From 
  the 
  Canary 
  Islands. 
  

  

  XI. 
  SENECIO 
  L. 
  

  

  Annual 
  or 
  perennial 
  ; 
  stems 
  often 
  hollow. 
  Leaves 
  alternate, 
  

   entire 
  or 
  pinnately 
  divided. 
  Heads 
  with 
  or 
  without 
  rays, 
  in 
  

   terminal 
  corymbs 
  ; 
  bracts 
  mostly 
  in 
  a 
  single 
  row, 
  often 
  with 
  a 
  

  

  