﻿PASSION 
  FLOWER 
  FAMILY 
  163 
  

  

  the 
  flowering 
  period. 
  Flowers 
  pale 
  yellow, 
  purple-veined. 
  In 
  moist 
  

   woods 
  and 
  thickets. 
  

  

  9. 
  V. 
  canadensis 
  L. 
  CANADA 
  VIOLET. 
  Stems 
  tufted, 
  very 
  leafy, 
  

   smooth, 
  1 
  ft. 
  or 
  more 
  high. 
  Leaves 
  heart-shaped, 
  acute 
  or 
  taper- 
  

   pointed, 
  serrate 
  ; 
  stipules 
  lanceolate, 
  entire. 
  Flowers 
  large 
  and 
  hand- 
  

   some. 
  Petals 
  white 
  or 
  nearly 
  so, 
  inside, 
  the 
  upper 
  ones 
  usually 
  

   violet-tinged 
  beneath 
  ; 
  lateral 
  petals 
  bearded. 
  In 
  rich 
  woods, 
  especially 
  

   of 
  hilly 
  regions. 
  

  

  10. 
  V. 
  striata 
  Ait. 
  STRIPED 
  VIOLET. 
  Similar 
  to 
  V. 
  canadensis, 
  

   but 
  the 
  stipules 
  dentate, 
  pinnately 
  cut, 
  or 
  fringed. 
  Petals 
  cream- 
  

   colored, 
  white, 
  or 
  bluish, 
  distinctly 
  veined. 
  Moist 
  woods 
  and 
  thickets. 
  

  

  3. 
  Leafy 
  -stemmed, 
  from 
  an 
  annual, 
  biennial, 
  or 
  occasionally 
  short- 
  

   lived 
  perennial 
  root 
  ; 
  stipules 
  about 
  as 
  large 
  as 
  the 
  blades 
  of 
  the 
  

   leaves. 
  

  

  11. 
  V. 
  tricolor 
  L. 
  PANSY, 
  HEART'S-EASE. 
  Stem 
  branching, 
  angu- 
  

   lar, 
  hardly 
  erect. 
  Leaves 
  variable, 
  more 
  or 
  less 
  ovate, 
  crenate 
  or 
  

   crenate-serrate. 
  Flowers 
  large 
  (often 
  more 
  than 
  1 
  in. 
  across), 
  flattish, 
  

   short-spurred, 
  exceedingly 
  variable 
  in 
  color. 
  Cultivated 
  from 
  Europe. 
  

  

  12. 
  V. 
  arvensis 
  Murr. 
  FIELD 
  PANSY. 
  Similar 
  to 
  V. 
  tricolor, 
  but 
  

   the 
  whole 
  plant 
  smaller 
  and 
  more 
  slender. 
  Leaves 
  narrow, 
  often 
  

   lanceolate, 
  the 
  stipules 
  dissected 
  into 
  narrow 
  divisions. 
  Petals 
  all 
  

   yellow, 
  equaling 
  or 
  shorter 
  than 
  the 
  slender, 
  pointed 
  sepals. 
  Com- 
  

   mon 
  in 
  old 
  fields. 
  Naturalized 
  from 
  Europe. 
  

  

  13. 
  V. 
  Rafinesquii 
  Greene. 
  WILD 
  PANSY. 
  Annual, 
  slender, 
  often 
  

   branching 
  from 
  the 
  base. 
  Leaves 
  small, 
  the 
  earlier 
  ones 
  roundish, 
  

   on 
  slender 
  petioles 
  ; 
  the 
  later 
  ones 
  obovate 
  or 
  narrower, 
  tapering 
  to 
  

   the 
  base. 
  Flowers 
  small, 
  yellowish-white 
  to 
  bluish 
  -white. 
  Petals 
  

   much 
  longer 
  than 
  the 
  linear 
  sepals. 
  Woods 
  and 
  fields. 
  

  

  68. 
  PASSIFLORACE^l. 
  PASSION 
  FLOWER 
  FAMILY 
  

  

  Shrubs 
  or 
  herbs, 
  climbing 
  by 
  axillary 
  tendrils. 
  Leaves 
  al- 
  

   ternate, 
  simple, 
  mostly 
  3-lobed. 
  Flowers 
  axillary, 
  on 
  jointed 
  

   peduncles, 
  solitary 
  or 
  few 
  together, 
  bisexual, 
  actinomorphic, 
  

   often 
  showy. 
  Calyx 
  tube 
  4-5-lobed, 
  persistent. 
  Petals 
  usually 
  

   5, 
  inserted 
  on 
  the 
  throat 
  of 
  the 
  calyx 
  tube, 
  which 
  is 
  fringed 
  

   with 
  a 
  crown 
  of 
  1-3 
  rows 
  of 
  long 
  and 
  slender 
  filaments. 
  

   Stamens 
  5, 
  their 
  filaments 
  united, 
  and 
  inclosing 
  the 
  stalk 
  of 
  

   the 
  ovary. 
  Styles 
  1-5 
  ; 
  ovary 
  with 
  3-5 
  parietal 
  placentae. 
  

   Seeds 
  numerous 
  ; 
  fruit 
  fleshy. 
  

  

  