﻿PRIMROSE 
  FAMILY 
  185 
  

  

  (6) 
  As 
  in 
  (a), 
  but 
  throat 
  of 
  corolla 
  narrowed. 
  Androsace, 
  II 
  

  

  (c) 
  Segments 
  of 
  corolla 
  much 
  reflexed. 
  Stamens 
  protruding. 
  

  

  Dodecatheon, 
  VIII 
  

   B 
  

  

  Stems 
  leafy, 
  at 
  least 
  near 
  the 
  summit. 
  

  

  (a) 
  Corolla 
  yellow. 
  No 
  sterile 
  appendages 
  alternating 
  with 
  the 
  

  

  stamens. 
  Lysimachia, 
  III 
  

  

  (6) 
  Corolla 
  yellow. 
  Sterile 
  appendages 
  alternating 
  with 
  the 
  

  

  stamens. 
  Steironema, 
  IV 
  

  

  (c) 
  Corolla 
  white. 
  Stems 
  with 
  leaves 
  mostly 
  whorled 
  near 
  the 
  

  

  summit. 
  Trientalis, 
  V 
  

  

  (c?) 
  Corolla 
  scarlet 
  (sometimes 
  white 
  or 
  blue). 
  Stems 
  low, 
  leafy 
  

  

  throughout. 
  Anagallis, 
  VI 
  

  

  (e) 
  Corolla 
  inconspicuous, 
  pink. 
  Stems 
  leafy, 
  very 
  short. 
  

  

  Centunculus, 
  VII 
  

   I. 
  PRIMULA 
  L. 
  

  

  Low, 
  perennial 
  herbs, 
  with 
  much-veined 
  basal 
  leaves 
  ; 
  scapes 
  

   each 
  bearing 
  an 
  umbel 
  of 
  flowers, 
  which 
  are 
  often 
  showy. 
  Calyx 
  

   tubular, 
  decidedly 
  angled, 
  5-cleft. 
  Corolla 
  more 
  or 
  less 
  salver- 
  

   shaped, 
  with 
  the 
  tube 
  widened 
  above 
  the 
  insertion 
  of 
  the 
  sta- 
  

   mens 
  ; 
  the 
  5 
  lobes 
  of 
  the 
  limb 
  often 
  notched 
  or 
  cleft. 
  Stamens 
  

   5, 
  not 
  protruding 
  outside 
  the 
  corolla 
  tube. 
  Capsule 
  egg-shaped, 
  

   splitting 
  at 
  the 
  top 
  into 
  5 
  valves, 
  each 
  of 
  which 
  may 
  divide 
  

   in 
  halves. 
  

  

  1. 
  P. 
  grandiflora 
  Lam. 
  TRUE 
  PRIMROSE. 
  Leaves 
  spatulate 
  or 
  

   obovate-oblong. 
  Flowers 
  rising 
  on 
  separate 
  slender 
  pedicels 
  from 
  

   the 
  leaf 
  axils. 
  Corolla 
  originally 
  pale 
  yellow, 
  but 
  varying 
  to 
  white, 
  

   red, 
  and 
  many 
  intermediate 
  shades, 
  with 
  a 
  broad, 
  flat 
  limb. 
  Culti- 
  

   vated 
  from 
  Europe. 
  

  

  2. 
  P. 
  sinenais 
  Sabine. 
  CHINESE 
  PRIMROSE. 
  A 
  rather 
  coarse, 
  

   downy 
  plant. 
  Leaves 
  round-heart-shaped, 
  more 
  or 
  less 
  lobed 
  and 
  

   cut, 
  long-petioled. 
  Flowers 
  large, 
  in 
  umbels, 
  usually 
  rose 
  color 
  or 
  

   white.. 
  Calyx 
  large, 
  inflated 
  and 
  conical. 
  Cultivated 
  as 
  a 
  house 
  

   plant 
  from 
  China. 
  

  

  H. 
  ANDROSACE 
  L. 
  

  

  Small 
  herbs, 
  with 
  clustered 
  basal 
  leaves. 
  Flowers 
  very 
  small, 
  

   solitary 
  or 
  umbeled. 
  Calyx 
  5-cleft, 
  with 
  a 
  short 
  tube. 
  Corolla 
  

   salver- 
  or 
  funnel-shaped, 
  contracted 
  at 
  the 
  throat, 
  its 
  tube 
  

  

  