﻿222 
  KEY 
  AND 
  FLORA. 
  

  

  91. 
  BIGNONIACEJE. 
  I5i<;.\oxiA 
  FAMILY 
  

  

  Trees 
  or 
  shrubs, 
  often 
  twining 
  or 
  climbing, 
  rarely 
  herbs. 
  

   Leaves 
  usually 
  opposite, 
  without 
  stipules. 
  Flowers 
  showy, 
  

   zygomorphic. 
  Corolla 
  tubular, 
  with 
  a 
  widened 
  throat 
  and 
  a 
  

   5-lobed 
  limb. 
  Stamens 
  usually 
  2 
  long 
  and 
  2 
  short, 
  or 
  only 
  2. 
  

   Ovary 
  free 
  from 
  the 
  calyx, 
  2-celled 
  or 
  rarely 
  1-celled, 
  with 
  

   many 
  ovules. 
  Fruit 
  a 
  capsule 
  ; 
  seeds 
  large, 
  winged. 
  

  

  I. 
  TECOMA 
  Juss. 
  

  

  Woody 
  vines, 
  climbing 
  by 
  aerial 
  rootlets. 
  Leaves 
  compound, 
  

   odd-pinnate. 
  Flowers 
  large, 
  in 
  terminal 
  clusters. 
  Calyx 
  bell- 
  

   shaped, 
  unequally 
  5-toothed. 
  Corolla 
  fuunelform, 
  enlarged 
  

   above 
  the 
  calyx, 
  5-lobed, 
  slightly 
  2-lipped. 
  Stamens 
  4, 
  2 
  long 
  

   and 
  2 
  short. 
  Capsule 
  slender, 
  spindle-shaped, 
  slightly 
  com- 
  

   pressed 
  contrary 
  to 
  the 
  partition, 
  2-valved, 
  dehiscent. 
  Seeds 
  

   winged.* 
  

  

  1. 
  T. 
  radicans 
  Juss. 
  TRUMPET 
  FLOWER, 
  TRUMPET 
  CREEPER. 
  

  

  Stems 
  climli'mg 
  high 
  l>y 
  numerous 
  rootlets; 
  bark 
  shreddy. 
  Leaves 
  

   deciduous, 
  petioled; 
  leaflets 
  9-11, 
  ovate 
  to 
  ovate-lanceolate, 
  ser- 
  

   rate, 
  short 
  -stalked, 
  smooth 
  or 
  slightly 
  downy. 
  Flowers 
  in 
  short, 
  

   terminal 
  racemes 
  or 
  corymbs. 
  Calyx 
  tubular, 
  in. 
  long. 
  Corolla 
  2-3 
  

   in. 
  long, 
  scarlet 
  without, 
  yellow 
  within, 
  the 
  lobes 
  spreading. 
  Capsule 
  

   5-6 
  in. 
  long, 
  curved, 
  often 
  persistent 
  through 
  the 
  winter. 
  Seeds 
  

   broadly 
  winged. 
  On 
  borders 
  of 
  fields 
  and 
  in 
  woods 
  S. 
  ; 
  often 
  cul- 
  

   tivated.* 
  

  

  II. 
  CATALPA 
  Scop. 
  

  

  Small 
  trees. 
  Leaves 
  large, 
  opposite, 
  simple, 
  petioled, 
  decid- 
  

   uous. 
  Flowers 
  large 
  and 
  showy, 
  in 
  terminal 
  panicles. 
  Calyx 
  

   irregularly 
  2-lipped. 
  Corolla 
  tubular-bell-shaped, 
  oblique, 
  5- 
  

   lobed, 
  2-lipped. 
  Fertile 
  stamens 
  2,. 
  sterile 
  stamens 
  3, 
  short. 
  

   Fruit 
  a 
  linear, 
  2-valved, 
  many-seeded 
  capsule. 
  Seeds 
  winged.* 
  

  

  1. 
  C. 
  bignonioides 
  Walt. 
  CATALPA. 
  A 
  small 
  tree 
  with 
  thin, 
  

   rough 
  gray 
  bark, 
  and 
  light, 
  soft 
  but 
  exceedingly 
  durable 
  wood. 
  

   Leaves 
  long-petioled, 
  heart-shaped, 
  entire 
  or 
  palmately 
  3-lobed, 
  

   taper-pointed 
  at 
  the 
  apex, 
  palmately 
  veined, 
  downy. 
  Brandies 
  of 
  

   the 
  panicle 
  in 
  threes; 
  flowers 
  large, 
  1-1 
  '. 
  in. 
  long, 
  white, 
  variegated 
  

   with 
  yellow 
  and 
  purple. 
  Corolla 
  lobes 
  undulate 
  or 
  crisped. 
  Capsule 
  

  

  