﻿130 
  KEY 
  AND 
  FLORA 
  

  

  racemes 
  at 
  the 
  ends 
  of 
  the 
  branches. 
  Calyx 
  tube 
  rather 
  long, 
  

   its 
  5 
  lobes 
  spreading. 
  Petals 
  oblong, 
  all 
  alike, 
  inserted 
  with 
  

   the 
  stamens 
  on 
  the 
  throat 
  of 
  the 
  calyx. 
  Stamens 
  of 
  the 
  fertile 
  

   flowers 
  usually 
  not 
  pollen-bearing. 
  Pod 
  hard, 
  flat, 
  partly 
  filled 
  

   with 
  a 
  sweet 
  substance, 
  slow 
  in 
  opening. 
  Seeds 
  several, 
  flattish, 
  

   over 
  in. 
  in 
  diameter, 
  very 
  hard 
  and 
  shining. 
  

  

  1. 
  G. 
  dioica 
  Koch. 
  KENTUCKY 
  COFFEE 
  TREE. 
  Tree 
  50 
  ft. 
  or 
  more 
  

   in 
  height, 
  with 
  rough 
  gray 
  bark. 
  Leaves 
  2-3 
  ft. 
  long, 
  the 
  leaflets 
  

   vertical. 
  Pods 
  sometimes 
  nearly 
  1 
  ft. 
  long. 
  Rich 
  soil 
  and 
  river 
  bot- 
  

   toms, 
  especially 
  S. 
  and 
  W. 
  

  

  IV. 
  GLEDITSIA 
  L. 
  

  

  Large 
  trees 
  ; 
  bark 
  dark-colored, 
  nearly 
  smooth. 
  Leaves 
  

   usually 
  pinnately 
  twice 
  compound 
  ; 
  leaflets 
  serrate. 
  Flowers 
  

   somewhat 
  monoecious, 
  in 
  small 
  spike-like 
  racemes. 
  Calyx 
  

   spreading, 
  3-5-cleft. 
  Petals 
  as 
  many 
  as 
  the 
  sepals 
  and 
  in- 
  

   serted 
  at 
  the 
  summit 
  of 
  the 
  tube. 
  Stamens 
  5-10, 
  distinct, 
  

   inserted 
  with 
  the 
  petals. 
  Ovary 
  nearly 
  sessile, 
  ovoid 
  or 
  

   elongated. 
  Fruit 
  a 
  1-or 
  many-seeded, 
  leathery 
  pod.* 
  

  

  1. 
  G. 
  triacanthos 
  L. 
  HONEY 
  LOCUST. 
  A 
  large 
  tree, 
  usually 
  armed 
  

   with 
  stout, 
  branched 
  thorns, 
  which 
  are 
  sometimes 
  a 
  foot 
  or 
  more 
  in 
  

   length. 
  Leaves 
  petioled 
  ; 
  leaflets 
  short-stalked, 
  lanceolate-oblong, 
  

   base 
  inequilateral, 
  smooth 
  above, 
  often 
  downy 
  below. 
  Racemes 
  soli- 
  

   tary 
  or 
  in 
  small 
  clusters, 
  drooping. 
  Flowers 
  inconspicuous, 
  greenish. 
  

   Pod 
  linear-oblong, 
  often 
  12-15 
  in. 
  long 
  by 
  1 
  in. 
  wide, 
  twisted, 
  many- 
  

   seeded, 
  smooth 
  and 
  shiny, 
  pulpy 
  within. 
  In 
  rich 
  woods. 
  

  

  V. 
  CERCIS 
  L. 
  

  

  Trees. 
  Leaves 
  simple, 
  with 
  stipules. 
  Flowers 
  in 
  axillary 
  clus- 
  

   ters, 
  somewhat 
  papilionaceous. 
  Calyx 
  bell-shaped, 
  5-toothed. 
  

   Stamens 
  10, 
  distinct. 
  Ovary 
  short-stalked; 
  ovules 
  several. 
  

   Fruit 
  a 
  flattened 
  pod. 
  

  

  1. 
  C. 
  canadensis 
  L. 
  REDBUD. 
  A 
  small 
  tree, 
  10-20 
  ft. 
  high; 
  wood 
  

   hard 
  but 
  weak; 
  bark 
  smooth, 
  dark-colored. 
  Leaves 
  broadly 
  cordate, 
  

   abruptly 
  acute, 
  rather 
  thick, 
  very 
  smooth 
  above, 
  often 
  slightly 
  downy 
  

   below. 
  Flowers 
  several 
  in 
  a 
  cluster, 
  appearing 
  before 
  the 
  leaves, 
  

   pinkish-purple. 
  Pod 
  oblong, 
  compressed, 
  many-seeded. 
  Common 
  on 
  

   rich 
  soil, 
  especially 
  S.* 
  

  

  