﻿78 
  KEY 
  AND 
  FLORA 
  

  

  B 
  

  

  Sepals 
  more 
  or 
  less 
  united. 
  Petals 
  ivith 
  claws. 
  Capsule 
  several- 
  

   many-seeded. 
  

  

  (a) 
  Calyx 
  without 
  bracts, 
  its 
  lobes 
  long 
  and 
  leaf-like. 
  

  

  Agrostemma, 
  III 
  

   (6) 
  Calyx 
  without 
  bracts, 
  lobes 
  not 
  leaf 
  -like. 
  Styles 
  3 
  or 
  4. 
  

  

  Silene, 
  V 
  

  

  (c) 
  Calyx 
  without 
  bracts, 
  lobes 
  not 
  leaf 
  -like. 
  Styles 
  5 
  (rarely 
  4). 
  

  

  Lychnis, 
  IV 
  

  

  (d) 
  Calyx 
  with 
  little 
  bracts 
  at 
  the 
  base. 
  Styles 
  2. 
  

  

  Dianthus, 
  VI 
  

   I. 
  STELLARIA 
  L. 
  (ALSINE) 
  

  

  Slender, 
  usually 
  smooth 
  herbs. 
  Flowers 
  small, 
  white, 
  soli- 
  

   tary, 
  or 
  in 
  forking 
  cymes. 
  Sepals 
  5 
  (rarely 
  4). 
  Petals 
  5 
  

   (rarely 
  4), 
  2-cleft 
  or 
  -divided. 
  Stamens 
  10 
  (rarely 
  8, 
  5, 
  or 
  3), 
  

   maturing 
  in 
  2 
  sets. 
  Styles 
  3 
  (rarely 
  4 
  or 
  5), 
  opposite 
  the 
  same 
  

   number 
  of 
  petals 
  ; 
  ovary 
  1-celled, 
  many-ovuled. 
  Capsule 
  short, 
  

   splitting 
  into 
  as 
  many 
  valves 
  as 
  there 
  are 
  styles. 
  

  

  1. 
  S. 
  longifolia 
  Muhl. 
  LONG-LEAVED 
  STITCHWORT. 
  Stem 
  slender, 
  

   usually 
  erect, 
  8-18 
  in. 
  high, 
  often 
  sharply 
  4-angled. 
  Leaves 
  linear 
  

   or 
  nearly 
  so, 
  spreading. 
  Flower 
  clusters 
  peduncled, 
  many-flowered, 
  

   the 
  pedicels 
  spreading. 
  Petals 
  2-parted, 
  at 
  length 
  longer 
  than 
  the 
  

   calyx. 
  Perennial 
  in 
  meadows 
  and 
  grassy 
  thickets, 
  especially 
  N. 
  

  

  2. 
  S. 
  graminea 
  L. 
  Smooth, 
  weak, 
  ascending. 
  Stem 
  sharply 
  

   4-angled, 
  12-20 
  in. 
  long. 
  Leaves 
  linear-lanceolate 
  or 
  broader, 
  

   widest 
  a 
  little 
  above 
  the 
  base, 
  ciliate, 
  acute, 
  %-l\ 
  in. 
  long. 
  Cyme 
  

   loose, 
  with 
  slender, 
  widely 
  spreading 
  pedicels. 
  Flowers 
  -| 
  in. 
  in 
  

   diameter. 
  Sepals 
  and 
  petals 
  about 
  equal 
  in 
  length, 
  the 
  petals 
  cleft 
  

   almost 
  to 
  the 
  base. 
  Seeds 
  with 
  many 
  minute 
  tubercles. 
  Fields 
  and 
  

   roadsides, 
  often 
  among 
  grass. 
  Naturalized 
  from 
  Europe. 
  

  

  3. 
  S. 
  media 
  Cyrill. 
  COMMON 
  CHICKWEKD. 
  Stem 
  prostrate, 
  6-18 
  

   in. 
  long, 
  with 
  a 
  line 
  or 
  two 
  of 
  hairs 
  along 
  it. 
  Leaves 
  ovate, 
  taper- 
  

   pointed, 
  the 
  lower 
  petioled, 
  the 
  upper 
  sessile. 
  Petals 
  shorter 
  than 
  the 
  

   sepals, 
  sometimes 
  wanting. 
  An 
  annual 
  weed, 
  naturalized 
  from 
  Europe, 
  

   common 
  in 
  damp, 
  shady 
  places 
  N. 
  

  

  H. 
  CERASTIUM 
  L. 
  

  

  Annual 
  or 
  perennial. 
  Stems 
  diffuse, 
  usually 
  downy 
  ; 
  leaves 
  

   opposite. 
  Flowers 
  white, 
  peduncled, 
  in 
  terminal, 
  regularly 
  

  

  