﻿COMPOSITE 
  FAMILY 
  245 
  

  

  2. 
  L. 
  columnaris 
  T. 
  & 
  G. 
  PRAIRIE 
  CONE 
  FLOWER. 
  Stem 
  rough- 
  

   hairy, 
  slender, 
  usually 
  branching 
  from 
  the 
  base, 
  1-2 
  ft. 
  high. 
  Leaves 
  

   pinnately 
  divided 
  into 
  oblong 
  to 
  narrowly 
  linear 
  segments. 
  Disk 
  

   columnar, 
  sometimes 
  more 
  than 
  1 
  in. 
  long. 
  Rays 
  4-10, 
  drooping, 
  

   yellow 
  or 
  partly 
  or 
  entirely 
  brownish-purple, 
  as 
  long 
  as 
  or 
  somewhat 
  

   shorter 
  than 
  the 
  disk. 
  On 
  dry 
  prairies, 
  especially 
  W. 
  and 
  S.W. 
  

  

  VI. 
  COREOPSIS 
  L. 
  

  

  Annual 
  or 
  perennial 
  herbs. 
  Leaves 
  opposite 
  or 
  the 
  upper 
  

   alternate, 
  entire 
  or 
  pinnately 
  divided. 
  Heads 
  radiate, 
  solitary 
  

   or 
  corymbed, 
  many-flowered 
  ; 
  bracts 
  in 
  2 
  rows 
  of 
  about 
  8 
  each, 
  

   the 
  inner 
  membranaceous 
  and 
  appressed, 
  the 
  outer 
  narrower 
  

   and 
  spreading; 
  receptacle 
  chaffy. 
  Kay 
  flowers 
  neutral; 
  disk 
  

   flowers 
  tubular, 
  bisexual. 
  Akenes 
  compressed, 
  oval 
  to 
  oblong, 
  

   often 
  winged. 
  Pappus 
  of 
  2 
  scales 
  or 
  bristles, 
  or 
  wanting.* 
  

  

  1. 
  C. 
  tinctoria 
  Nutt. 
  GARDEN 
  COREOPSIS. 
  Annual; 
  stem 
  erect, 
  

   smooth, 
  branched, 
  2-3 
  ft. 
  high. 
  Leaves 
  2-3 
  times 
  pinnately 
  divided, 
  

   the 
  divisions 
  linear; 
  lower 
  leaves 
  petioled, 
  the 
  upper 
  often 
  sessile 
  and 
  

   entire. 
  Heads 
  1-1 
  i- 
  in. 
  wide, 
  on 
  slender 
  peduncles; 
  inner 
  bracts 
  

   brown 
  with 
  scarious 
  margins, 
  outer 
  bracts 
  very 
  short. 
  Ray 
  flowers 
  

   about 
  8, 
  yellow 
  with 
  a 
  brown 
  base, 
  3-lobed 
  at 
  the 
  apex. 
  Akenes 
  

   linear. 
  Pappus 
  minute 
  or 
  none. 
  Common 
  in 
  gardens.* 
  

  

  2. 
  C. 
  lanceolata 
  L. 
  TICKSEED. 
  Perennial; 
  stem 
  slender, 
  erect 
  or 
  

   ascending, 
  smooth 
  or 
  slightly 
  downy 
  below, 
  simple, 
  9-15 
  in. 
  high. 
  

   Leaves 
  opposite, 
  the 
  lower 
  spatulate 
  to 
  elliptical, 
  sometimes 
  lobed, 
  on 
  

   long, 
  hairy-fringed 
  petioles; 
  the 
  upper 
  lanceolate, 
  sessile. 
  Heads 
  few, 
  

   on 
  long 
  peduncles 
  ; 
  bracts 
  ovate-lanceolate, 
  the 
  outer 
  narrower. 
  Ray 
  

   flowers 
  6-10 
  ; 
  rays 
  3-5-lobed, 
  bright 
  yellow. 
  Akenes 
  oval, 
  broadly 
  

   winged, 
  warty. 
  Pappus 
  of 
  2 
  teeth. 
  On 
  rich, 
  dry 
  soil, 
  S. 
  and 
  E.* 
  

  

  3. 
  C. 
  grandiflora 
  Hogg. 
  LARGE-FLOWERED 
  TICKSEED. 
  Usually 
  

   perennial; 
  stem 
  smooth, 
  commonly 
  branched 
  above, 
  1-3 
  ft. 
  high. 
  

   Most 
  of 
  the 
  leaves 
  once 
  or 
  twice 
  pinnately 
  parted, 
  the 
  lower 
  some- 
  

   times 
  entire, 
  on 
  slender 
  petioles 
  ; 
  segments 
  of 
  most 
  of 
  the 
  stem 
  leaves 
  

   linear 
  or 
  thread-like. 
  Heads 
  usually 
  several, 
  1^-2 
  in. 
  in 
  diameter, 
  on 
  

   long 
  peduncles; 
  outer 
  bracts 
  lanceolate, 
  narrower 
  and 
  shorter 
  than 
  

   the 
  inner 
  ones. 
  Rays 
  6-10, 
  yellow. 
  Akenes 
  oblong, 
  with 
  broad 
  wings 
  

   when 
  ripe. 
  In 
  moist 
  soil, 
  especially 
  S.W. 
  

  

  4. 
  C. 
  auriculata 
  L. 
  RUNNING 
  TICKSEED. 
  Perennial 
  ; 
  stem 
  ascend- 
  

   ing 
  or 
  decumbent, 
  weak, 
  smooth, 
  nearly 
  simple, 
  6-15 
  in. 
  long. 
  

   Leaves 
  ovate 
  to 
  oval, 
  entire 
  or 
  with 
  2-4 
  small 
  and 
  rounded 
  lobes 
  at 
  

   the 
  base, 
  downy, 
  long 
  petioled. 
  Heads 
  1-1 
  \ 
  in. 
  wide, 
  few 
  or 
  single; 
  

   outer 
  bracts 
  narrower 
  than 
  the 
  inner. 
  Rays 
  6-10, 
  mostly 
  4-toothed 
  

  

  