﻿200 
  KEY 
  AND 
  FLORA 
  

  

  I. 
  PHLOX 
  L. 
  

  

  Perennial 
  or 
  rarely 
  annual 
  herbs 
  ; 
  stems 
  erect 
  or 
  diffuse. 
  

   Leaves 
  opposite, 
  or 
  the 
  upper 
  alternate, 
  entire, 
  without 
  

   stipules. 
  Flowers 
  showy, 
  white 
  or 
  purple, 
  in 
  terminal 
  cymes 
  

   or 
  panicles. 
  Calyx 
  cylindrical 
  or 
  funuelform, 
  5-cleft, 
  the 
  

   lobes 
  acute. 
  Corolla 
  salver-form, 
  the 
  tube 
  long 
  and 
  slender, 
  

   the 
  limb 
  5-parted, 
  the 
  lobes 
  spreading, 
  entire 
  or 
  obcordate. 
  

   Stamens 
  included, 
  unequal. 
  Ovary 
  3-celled, 
  style 
  slender. 
  

   Capsule 
  ovoid, 
  3-celled, 
  1-few-seeded 
  ; 
  seeds 
  wingless 
  or 
  nar- 
  

   row-winged.* 
  

  

  1. 
  P. 
  paniculata 
  L. 
  GARDEN 
  PHLOX. 
  Perennial; 
  stems 
  in 
  clumps, 
  

   stout, 
  erect, 
  simple 
  or 
  branched 
  above, 
  2-4 
  ft. 
  high. 
  Leaves 
  ovate- 
  

   lanceolate 
  to 
  oblong, 
  taper-pointed 
  at 
  the 
  apex, 
  rounded 
  or 
  cordate 
  at 
  

   the 
  base, 
  thin, 
  smooth 
  ; 
  veins 
  prominent 
  beneath. 
  Cymes 
  numerous 
  

   and 
  compact, 
  forming 
  a 
  pyramidal 
  panicle; 
  pedicels 
  short. 
  Calyx 
  

   teeth 
  long, 
  bristle-pointed. 
  Corolla 
  purple 
  to 
  white 
  ; 
  lobes 
  round- 
  

   obovate, 
  shorter 
  than 
  the 
  tube. 
  Capsule 
  longer 
  than 
  the 
  calyx 
  tube. 
  

   In 
  rich 
  woods 
  ; 
  often 
  cultivated.* 
  

  

  2. 
  P. 
  maculata 
  L. 
  WILD 
  SWEET 
  WILLIAM. 
  Stem 
  erect, 
  smooth 
  

   or 
  nearly 
  so, 
  rather 
  slender, 
  purple-spotted, 
  1-2 
  ft. 
  high. 
  Lower 
  

   leaves 
  lanceolate, 
  the 
  upper 
  ones 
  broader, 
  taper-pointed, 
  roundish 
  

   or 
  heart-shaped 
  at 
  the 
  base. 
  Panicle 
  many-flowered, 
  narrow, 
  ellip- 
  

   soidal. 
  Calyx 
  teeth 
  lanceolate, 
  hardly 
  acute. 
  Flowers 
  purple, 
  occa- 
  

   sionally 
  white. 
  Damp 
  woods 
  and 
  fields. 
  

  

  3. 
  P. 
  glaberrima 
  L. 
  SMOOTH 
  PHLOX. 
  Stems 
  smooth, 
  slender, 
  

   erect, 
  1-3 
  ft. 
  high. 
  Leaves 
  narrowly 
  lanceolate 
  or 
  linear, 
  l-4 
  in. 
  

   long, 
  smooth 
  except 
  the 
  rough 
  and 
  sometimes 
  recurved 
  margins. 
  

   Cymes 
  few-flowered, 
  grouped 
  in 
  loose 
  corymbs. 
  Calyx 
  teeth 
  very 
  

   narrow 
  and 
  sharp-pointed. 
  Corolla 
  pink 
  or 
  whitish, 
  lobes 
  longer 
  than 
  

   the 
  tube. 
  Prairies 
  and 
  open 
  woods. 
  

  

  4. 
  P. 
  pilosa 
  L. 
  DOWNY 
  PHLOX. 
  Perennial; 
  stem 
  erect, 
  slender, 
  

   simple 
  or 
  branched, 
  1-2 
  ft. 
  high. 
  Leaves 
  linear-lanceolate 
  to 
  linear, 
  

   distant, 
  spreading, 
  long, 
  taper-pointed, 
  sessile; 
  stem 
  and 
  leaves 
  downy. 
  

   Cymes 
  corymbose, 
  loose. 
  Flowers 
  short-pediceled. 
  Calyx 
  glandular- 
  

   viscid, 
  the 
  teeth 
  shorter 
  than 
  the 
  tube 
  of 
  the 
  purple 
  corolla, 
  bristle- 
  

   pointed. 
  Corolla 
  tube 
  downy, 
  lobes 
  obovate. 
  Capsule 
  twice 
  the 
  

   length 
  of 
  the 
  calyx 
  tube. 
  In 
  dry, 
  open 
  woods.* 
  

  

  5. 
  P. 
  divaricata 
  L. 
  WILD 
  BLUE 
  PHLOX. 
  Perennial; 
  stems 
  erect 
  

   or 
  ascending 
  from 
  a 
  decumbent 
  base, 
  sticky-downy, 
  1 
  ft. 
  high. 
  

   Leaves 
  distant, 
  lanceolate 
  to 
  oblong, 
  acute 
  at 
  the 
  apex, 
  rounded 
  at 
  

   the 
  base, 
  sessile, 
  downy. 
  Cymes 
  corymbed, 
  loosely 
  flowered. 
  Calyx 
  

   teeth 
  awl-shaped, 
  longer 
  than 
  the 
  tube. 
  Corolla 
  bluish-purple, 
  -f 
  

  

  