﻿MADDER 
  FAMILY 
  229 
  

  

  growing 
  in 
  pairs, 
  joined 
  by 
  their 
  ovaries. 
  Calyx 
  4-toothed. 
  

   Corolla 
  funnel-shaped, 
  with 
  the 
  lobes 
  bearded 
  within. 
  Sta- 
  

   mens 
  4, 
  short. 
  Style 
  1 
  ; 
  stigmas 
  4, 
  slender. 
  Fruit 
  double, 
  

   composed 
  of 
  the 
  united 
  ovaries 
  ; 
  really 
  a 
  drupe, 
  containing 
  

   8 
  seed-like, 
  bony 
  nutlets, 
  ripening 
  into 
  tasteless 
  scarlet 
  berries, 
  

   which 
  cling 
  to 
  the 
  plant 
  through 
  the 
  winter. 
  

  

  1. 
  M. 
  repens 
  L. 
  PARTRIDGE 
  BERRY, 
  SQUAW 
  VINE, 
  TWO-EYE 
  

   BERRY. 
  Common 
  in 
  dry 
  woods, 
  especially 
  under 
  evergreen 
  conif- 
  

   erous 
  trees. 
  

  

  m. 
  BOUVARDIA 
  Salisb. 
  

  

  Smooth 
  perennials. 
  Leaves 
  lanceolate, 
  thickish. 
  Calyx 
  4- 
  

   lobed, 
  the 
  divisions 
  slender. 
  Corolla 
  with 
  a 
  long 
  and 
  narrow 
  

   or 
  rather 
  trumpet-shaped 
  tube, 
  and 
  spreading, 
  4-lobed 
  limb. 
  

   Anthers 
  4, 
  inserted 
  in 
  the 
  throat 
  of 
  the 
  corolla, 
  almost 
  ses- 
  

   sile. 
  Stigmas 
  2, 
  flat. 
  Capsule 
  globular, 
  2-celled, 
  many-seeded. 
  

   Flowers 
  dimorphous. 
  

  

  1. 
  B. 
  triphylla 
  Salisb. 
  THREE-LEAVED 
  BOUVARDIA. 
  Somewhat 
  

   shrubby. 
  Leaves 
  nearly 
  smooth, 
  ovate 
  or 
  oblong-ovate 
  ; 
  the 
  lower 
  

   ones 
  in 
  threes, 
  the 
  upper 
  ones 
  sometimes 
  in 
  pairs. 
  Corolla 
  scarlet 
  

   and 
  slightly 
  downy 
  outside. 
  

  

  2. 
  B. 
  leiantha 
  Benth, 
  DOWNY-LEAVED 
  BOUVARDIA. 
  Leaves 
  rather 
  

   downy. 
  Corolla 
  deep 
  scarlet, 
  smooth 
  outside. 
  

  

  Both 
  species 
  cultivated 
  from 
  Mexico; 
  in 
  greenhouses. 
  

  

  IV. 
  HOUSTONIA 
  L. 
  

  

  Annual, 
  biennial, 
  or 
  perennial 
  herbs 
  ; 
  stems 
  erect 
  or 
  dif- 
  

   fuse. 
  Leaves 
  entire 
  ; 
  stipules 
  often 
  only 
  a 
  line 
  connecting 
  the 
  

   bases 
  of 
  opposite 
  leaves. 
  Flowers 
  small, 
  solitary 
  or 
  clustered, 
  

   dimorphous, 
  the 
  stamens 
  projecting 
  and 
  the 
  style 
  short 
  in 
  

   one 
  form, 
  while 
  in 
  the 
  other 
  the 
  stamens 
  are 
  short 
  and 
  the 
  

   style 
  projecting. 
  Calyx 
  4-toothed, 
  persistent. 
  Corolla 
  wheel- 
  

   shaped 
  to 
  funnelform, 
  4-lobed. 
  Stamens 
  4. 
  Ovary 
  2-celled; 
  

   style 
  slender 
  ; 
  stigmas 
  2. 
  Fruit 
  a 
  2-celled, 
  few-many-seeded 
  

   capsule, 
  opening 
  at 
  the 
  apex, 
  free 
  from 
  the 
  calyx.* 
  

  

  1. 
  H. 
  coerulea 
  L. 
  BLUETS, 
  INNOCENCE, 
  QUAKER 
  LADIES, 
  EYE- 
  

   BRIGHT. 
  Perennial, 
  from 
  very 
  slender 
  rootstocks 
  ; 
  stems 
  tufted, 
  

   erect, 
  smooth, 
  forking, 
  3-6 
  in. 
  high. 
  Leaves 
  sessile, 
  often 
  hairy- 
  

   fringed, 
  the 
  lower 
  spatulate, 
  the 
  upper 
  lanceolate. 
  Flowers 
  solitary, 
  

  

  