﻿98 
  

  

  KEY 
  AND 
  FLORA 
  

  

  5. 
  P. 
  nudicaule 
  L. 
  ICELAND 
  POPPY. 
  A 
  delicate 
  but 
  rough-hairy 
  

   perennial 
  plant. 
  Leaves 
  all 
  basal, 
  pale, 
  pinnately 
  cut. 
  Flowers 
  yellow- 
  

   orange 
  or 
  white, 
  borne 
  singly 
  on 
  rather 
  slender, 
  hairy 
  scapes. 
  Culti- 
  

   vated 
  from 
  Europe. 
  

  

  V. 
  ADLUMIA 
  Raf. 
  

  

  A 
  delicate 
  climbing 
  biennial. 
  Leaves 
  thrice-pinnate, 
  cut- 
  

   lobed. 
  Sepals 
  2, 
  very 
  small. 
  Petals 
  4, 
  all 
  united 
  into 
  a 
  corolla 
  

   which 
  is 
  slightly 
  heart-shaped 
  or 
  2-knobbed 
  at 
  the 
  base, 
  re- 
  

   maining 
  as 
  a 
  spongy 
  covering 
  over 
  the 
  small, 
  few-seeded 
  pod. 
  

  

  1. 
  A. 
  fungosa 
  Greene. 
  MOUNTAIN 
  FRINGE, 
  ALLEGHENY 
  VINE. 
  

   Climbing 
  several 
  feet 
  high 
  by 
  the 
  leafstalks. 
  Flowers 
  pinkish- 
  

   white. 
  Rocky 
  hillsides, 
  often 
  cultivated. 
  

  

  VI. 
  DICENTRA 
  Bernh. 
  (BICUCULLA) 
  

  

  Smooth, 
  delicate 
  herbs, 
  with 
  watery 
  juice. 
  Leaves 
  compound 
  

   in 
  threes 
  and 
  finely 
  cut. 
  Flowers 
  racemed, 
  nodding. 
  Sepals 
  2, 
  

   small 
  and 
  scale-like. 
  Petals 
  4, 
  slightly 
  united 
  to 
  form 
  a 
  heart- 
  

   shaped 
  or 
  2-spurred 
  corolla 
  (Fig. 
  17), 
  the 
  inner 
  pair 
  spoon- 
  

  

  B 
  

  

  FIG. 
  17. 
  Flower 
  of 
  Dicentra 
  

  

  A, 
  view 
  of 
  flower 
  partly 
  dissected: 
  p, 
  the 
  larger 
  outer 
  petals; 
  p', 
  the 
  spoon- 
  

   shaped 
  inner 
  petals. 
  JB, 
  floral 
  diagram. 
  (After 
  Le 
  Maout 
  and 
  Decaisne) 
  

  

  shaped, 
  inclosing 
  the 
  stamens 
  and 
  pistil. 
  Stamens 
  6 
  ; 
  the 
  

   filaments 
  somewhat 
  united 
  into 
  2 
  sets, 
  and 
  the 
  anthers 
  in 
  2 
  

   sets 
  close 
  to 
  the 
  stigma. 
  Stigma 
  2-crested. 
  Pod 
  10-20-seeded. 
  

  

  