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  KEY 
  AND 
  FLORA 
  

  

  2. 
  A. 
  plantaginifolia 
  Richards. 
  COMMON 
  EVERLASTING, 
  PUSSY'S 
  

   TOES. 
  Stolons 
  ascending, 
  leafy 
  throughout; 
  stems 
  slender, 
  4-20 
  in. 
  

   high. 
  Basal 
  leaves 
  and 
  those 
  at 
  the 
  tips 
  of 
  the 
  stolons 
  pale 
  and 
  very 
  

   downy 
  or 
  covered 
  with 
  cobweb-like 
  hairs 
  above 
  ; 
  stem 
  leaves 
  scat- 
  

   tered, 
  lanceolate, 
  taper-pointed. 
  Heads 
  more 
  or 
  less 
  closely 
  corymbed. 
  

   Styles 
  crimson. 
  In 
  dry 
  soil, 
  very 
  common. 
  

  

  3. 
  A. 
  solitaria 
  Rydb. 
  Stolons 
  when 
  well 
  developed 
  procumbent, 
  

   leafy 
  only 
  at 
  the 
  tip; 
  stems 
  2-8 
  in. 
  high. 
  Basal 
  leaves 
  obovate- 
  

   spatulate, 
  densely 
  downy 
  beneath, 
  covered 
  with 
  cobweb-like 
  hairs 
  

   above, 
  but 
  becoming 
  smoothish 
  ; 
  stem 
  leaves 
  few, 
  small, 
  lying 
  close 
  

   to 
  the 
  stem. 
  Heads 
  solitary. 
  Styles 
  crimson. 
  Rich 
  wooded 
  hillsides, 
  

   central 
  and 
  south 
  central 
  states. 
  

  

  IV. 
  RUDBECKIA 
  L. 
  

  

  Perennial 
  or 
  biennial. 
  Leaves 
  alternate, 
  entire 
  or 
  lobed. 
  

   Heads 
  radiate, 
  long-peduncled, 
  many-flowered; 
  bracts 
  imbri- 
  

   cated 
  in 
  2-3 
  series, 
  spreading 
  ; 
  receptacle 
  convex 
  or 
  long-con- 
  

   ical, 
  with 
  concave, 
  chaffy 
  scales. 
  Ray 
  flowers 
  yellow, 
  neutral 
  ; 
  

   disk 
  flowers 
  purple 
  to 
  brown, 
  bisexual. 
  Akenes 
  smooth, 
  4- 
  

   angled, 
  truncate. 
  Pappus 
  a 
  few 
  short 
  teeth 
  or 
  wanting.* 
  

  

  1. 
  R. 
  hirta 
  L. 
  CONE 
  FLOWER, 
  BLACK-EYED 
  SUSAN. 
  Annual 
  or 
  

   biennial 
  ; 
  stem 
  erect, 
  rough-hairy, 
  simple 
  or 
  branched, 
  2-3 
  ft. 
  high. 
  

   Leaves 
  lanceolate 
  to 
  oblong, 
  thick, 
  obscurely 
  serrate, 
  rough-hairy, 
  

   3-ribbed; 
  the 
  lower 
  petioled, 
  the 
  upper 
  sessile. 
  Heads 
  few, 
  long- 
  

   peduncled 
  ; 
  bracts 
  rough-hairy, 
  spreading. 
  Ray 
  flowers 
  10-20, 
  orange- 
  

   yellow; 
  disk 
  flowers 
  purplish-brown. 
  Chaff 
  acute, 
  hairy 
  at 
  the 
  apex. 
  

   Pappus 
  none. 
  On 
  dry, 
  open 
  ground. 
  

  

  V. 
  LEPACHYS 
  Raf. 
  (RATIBIDA) 
  

  

  Perennial 
  herbs. 
  Leaves 
  alternate, 
  pinnately 
  divided. 
  Heads 
  

   radiate, 
  long-peduncled, 
  many-flowered 
  ; 
  bracts 
  few, 
  small, 
  

   spreading. 
  Receptacle 
  columnar 
  or 
  slender, 
  the 
  chaff 
  of 
  con- 
  

   cave 
  truncate 
  scales. 
  Ray 
  flowers 
  yellow 
  or 
  with 
  brown 
  at 
  

   the 
  base, 
  neutral 
  ; 
  disk 
  usually 
  grayish. 
  

  

  1. 
  L. 
  pinnata 
  T. 
  & 
  G. 
  GRAY 
  CONE 
  FLOWER. 
  Stem 
  slender, 
  branch- 
  

   ing, 
  often 
  4 
  ft. 
  or 
  more 
  high, 
  gray 
  with 
  minute 
  close-lying 
  hairs. 
  

   Leaves 
  mostly 
  large, 
  pinnately 
  3-7-divided 
  ; 
  the 
  basal 
  ones 
  with 
  long 
  

   petioles, 
  stem 
  leaves 
  sessile, 
  the 
  uppermost 
  small. 
  Disk 
  oblong, 
  gray 
  

   or 
  at 
  length 
  brown. 
  Rays 
  4-10, 
  light 
  yellow, 
  drooping, 
  often 
  2 
  in. 
  

   long. 
  In 
  dry 
  prairie 
  soil 
  and 
  borders 
  of 
  thickets. 
  

  

  