﻿188 
  KEY 
  AND 
  FLORA 
  

  

  1. 
  A. 
  arvensis 
  L. 
  POOK 
  MAN'S 
  WEATHERGLASS, 
  PIMPERNEL. 
  

  

  Annual 
  ; 
  stem 
  spreading, 
  widely 
  branched, 
  4-angled, 
  smooth, 
  4-12 
  

   in. 
  long. 
  Leaves 
  opposite, 
  sessile, 
  ovate, 
  black-dotted 
  beneath. 
  

   Flowers 
  on 
  peduncles 
  longer 
  than 
  the 
  leaves, 
  nodding 
  in 
  fruit. 
  Co- 
  

   rolla 
  fringed 
  with 
  glandular 
  hairs, 
  longer 
  than 
  the 
  acute 
  calyx 
  lobes, 
  

   bright 
  red 
  (sometimes 
  white 
  or 
  blue), 
  opening 
  in 
  sunshine. 
  Capsule 
  

   globose, 
  tipped 
  by 
  the 
  persistent 
  style. 
  Introduced, 
  and 
  common 
  in 
  

   fields 
  and 
  gardens.* 
  

  

  VII. 
  CENTUNCULUS 
  L. 
  

  

  Small 
  annuals, 
  with 
  alternate 
  entire 
  leaves. 
  Flowers 
  axil- 
  

   lary 
  and 
  solitary, 
  inconspicuous. 
  Calyx 
  4-5-parted. 
  Corolla 
  

   4-5-cleft, 
  shorter 
  than 
  the 
  calyx, 
  the 
  tube 
  urn-shaped. 
  Stamens 
  

   4-5, 
  perigynous, 
  with 
  short 
  filaments. 
  Capsule 
  globose, 
  many- 
  

   seeded, 
  the 
  top 
  falling 
  off 
  as 
  a 
  lid. 
  

  

  1. 
  C. 
  minimus 
  L. 
  CHAFFWEED, 
  FALSE 
  PIMPERNEL. 
  Stems 
  1-6 
  

   in. 
  high. 
  Leaves 
  spatulate 
  or 
  obovate, 
  with 
  short 
  petioles. 
  Flowers 
  

   small, 
  pink, 
  nearly 
  sessile, 
  parts 
  of 
  the 
  perianth 
  usually 
  in 
  fours. 
  

   Moist 
  soil 
  W. 
  

  

  VIII. 
  DODECATHEON 
  L. 
  

  

  A 
  smooth, 
  perennial 
  herb, 
  with 
  a 
  cluster 
  of 
  oblong 
  or 
  spatu- 
  

   late 
  basal 
  leaves, 
  fibrous 
  roots, 
  and 
  an 
  unbranched 
  scape, 
  leaf- 
  

   less 
  except 
  for 
  an 
  involucre 
  of 
  small 
  bracts 
  at 
  the 
  summit, 
  with 
  

   a 
  large 
  umbel 
  of 
  showy, 
  nodding 
  flowers. 
  Calyx 
  deeply 
  5-cleft, 
  

   with 
  reflexed, 
  lanceolate 
  divisions. 
  Tube 
  of 
  the 
  corolla 
  very 
  

   short, 
  the 
  divisions 
  of 
  the 
  5-parted 
  limb 
  strongly 
  reflexed. 
  

   Filaments 
  short, 
  somewhat 
  united 
  at 
  the 
  base 
  ; 
  anthers 
  long, 
  

   acute, 
  and 
  combining 
  to 
  form 
  a 
  conspicuous 
  cone. 
  

  

  1. 
  D. 
  Meadia 
  L. 
  SHOOTING 
  STAR, 
  INDIAN 
  CHIEF. 
  Corolla 
  vary- 
  

   ing 
  from 
  rose 
  color 
  to 
  white. 
  In 
  rich 
  woods 
  in 
  most 
  of 
  the 
  Middle 
  

   and 
  Southern 
  states. 
  Often 
  cultivated. 
  

  

  78. 
  EBENACEJE. 
  EBONY 
  FAMILY 
  

  

  Trees 
  or 
  shrubs. 
  Leaves 
  alternate, 
  entire, 
  pinnately 
  veined, 
  

   without 
  stipules. 
  Flowers 
  often 
  dioecious. 
  Calyx 
  free 
  from 
  

   the 
  ovary, 
  persistent. 
  Stamens 
  2-4 
  times 
  as 
  many 
  as 
  the 
  divi- 
  

   sions 
  of 
  the 
  corolla. 
  Ovary 
  3-12-celled 
  ; 
  ovules 
  1 
  or 
  2 
  in 
  each 
  

   cell. 
  Fruit 
  a 
  berry. 
  Mostly 
  tropical 
  plants. 
  

  

  