﻿PULSE 
  FAMILY 
  137 
  

  

  the 
  two 
  Tipper 
  teeth 
  shorter 
  and 
  partially 
  united. 
  Standard 
  

   large, 
  orbicular, 
  reflexed, 
  keel 
  obtuse. 
  Stamens 
  diadelphous. 
  

   Style 
  bearded 
  on 
  one 
  side. 
  Pod 
  compressed, 
  several-seeded.* 
  

  

  1. 
  R. 
  Pseudo-Acacia 
  L. 
  BLACK 
  LOCUST. 
  A 
  tree 
  of 
  medium 
  size 
  ; 
  

   bark 
  rough 
  and 
  nearly 
  black 
  ; 
  twigs 
  and 
  leaves 
  smooth. 
  Leaflets 
  

   9-15, 
  ovate 
  or 
  oblong, 
  obtuse 
  and 
  slightly 
  mucronate 
  at 
  the 
  apex; 
  

   stipules 
  forming 
  persistent 
  spines. 
  Racemes 
  loose, 
  pendulous, 
  3-5 
  in. 
  

   long. 
  Flowers 
  white, 
  fragrant. 
  Pod 
  smooth, 
  4-8-seeded. 
  Introduced, 
  

   and 
  quite 
  common 
  ; 
  wood 
  very 
  durable 
  when 
  exposed 
  to 
  the 
  weather, 
  

   and 
  extensively 
  used 
  for 
  posts.* 
  

  

  XVIII. 
  WISTERIA 
  Nutt. 
  (BRADLEYA) 
  

  

  Tall, 
  twining 
  shrubs. 
  Leaves 
  odd-pinnate. 
  Eacemes 
  ter- 
  

   minal. 
  Flowers 
  large 
  and 
  showy. 
  Calyx 
  2-lipped, 
  the 
  upper 
  

   lip 
  2-cleft, 
  short, 
  the 
  lower 
  longer 
  and 
  3-cleft. 
  Standard 
  

   large, 
  round, 
  with 
  2 
  calloused 
  ridges 
  at 
  the 
  base 
  ; 
  wings 
  eared 
  

   at 
  the 
  base 
  ; 
  keel 
  scythe-shaped. 
  Pod 
  long, 
  stalked, 
  leathery, 
  

   2-valved, 
  several-seeded.* 
  

  

  1 
  W. 
  frutescens 
  Poir. 
  WISTERIA. 
  Stem 
  climbing 
  30-40 
  ft., 
  often 
  

   2-3 
  in. 
  in 
  diameter 
  at 
  the 
  base; 
  branches 
  and 
  leaves 
  downy 
  when 
  

   young, 
  becoming 
  smoother 
  with 
  age. 
  Leaves 
  short-petioled 
  ; 
  stipules 
  

   minute; 
  leaflets 
  9-17, 
  ovate-lanceolate, 
  acute 
  at 
  the 
  apex, 
  rounded 
  

   at 
  the 
  base. 
  Racemes 
  large, 
  densely 
  flowered. 
  Calyx 
  downy. 
  Corolla 
  

   lilac-purple, 
  wings 
  with 
  a 
  short 
  and 
  a 
  long 
  appendage 
  at 
  the 
  base. 
  

   Pod 
  2-3 
  in. 
  long, 
  2-4-seeded. 
  River 
  banks 
  S. 
  Often 
  cultivated 
  for 
  

   ornament.* 
  

  

  2. 
  W. 
  chinensis 
  DC. 
  CHINESE 
  WISTERIA. 
  Larger 
  and 
  faster 
  

   growing 
  than 
  No. 
  1. 
  Racemes 
  longer 
  and 
  more 
  slender. 
  Wing 
  

   appendage 
  at 
  one 
  side 
  only 
  of 
  base. 
  Seldom 
  fruiting 
  in 
  this 
  region. 
  

   Cultivated 
  from 
  China 
  or 
  Japan. 
  

  

  XIX. 
  ASTRAGALUS 
  L. 
  

  

  Mostly 
  perennial 
  herbs. 
  Leaves 
  odd-pinnate. 
  Flowers 
  in 
  

   spikes 
  or 
  racemes. 
  Calyx 
  5-toothed. 
  Petals 
  long, 
  erect, 
  with 
  

   claws. 
  Standard 
  narrow. 
  Stamens 
  diadelphous 
  (9 
  and 
  1). 
  

   Pod 
  usually 
  swollen, 
  sometimes 
  fleshy 
  and 
  eatable, 
  several- 
  

   many-seeded. 
  [A 
  large 
  and 
  very 
  di&cult 
  genus; 
  mostly 
  of 
  far 
  

   western 
  species.] 
  

  

  