﻿126 
  

  

  KEY 
  AND 
  FLORA 
  

  

  C. 
  Stone 
  deeply 
  furrowed 
  and 
  pitied 
  ; 
  fruit 
  downy 
  when 
  ripe. 
  Branches 
  

   not 
  spiny. 
  (Peaches 
  and 
  almonds.) 
  

  

  8. 
  P. 
  persica 
  Stokes. 
  PEACH. 
  A 
  tree 
  with 
  a 
  rounded 
  top; 
  bark 
  

   nearly 
  smooth. 
  Leaves 
  lanceolate, 
  taper-pointed, 
  finely 
  serrate, 
  smooth 
  

   on 
  both 
  sides 
  ; 
  petioles 
  usually 
  bearing 
  2 
  or 
  4 
  crescent-shaped 
  or 
  cup- 
  

   shaped 
  glands. 
  Flowers 
  pink, 
  scaly-bracted. 
  Fruit 
  ovoid, 
  with 
  a 
  

   seam 
  along 
  one 
  side. 
  Often 
  escaped 
  from 
  cultivation.* 
  

  

  47. 
  LEGUMINOSJE. 
  PULSE 
  FAMILY 
  

  

  Herbs, 
  shrubs, 
  or 
  trees. 
  Leaves 
  alternate, 
  usually 
  com- 
  

   pound 
  (either 
  pinnately 
  or 
  palmately), 
  with 
  stipules, 
  the 
  

   leaflets 
  mostly 
  entire. 
  Calyx 
  of 
  5 
  sepals, 
  which 
  are 
  more 
  or 
  

   less 
  united, 
  often 
  somewhat 
  zygomorphic. 
  Corolla 
  of 
  5 
  petals, 
  

  

  FIG. 
  20. 
  Pulse 
  Family 
  

  

  ^l^actinomorphic 
  corolla 
  ( 
  Acacia 
  cinerascens) 
  ; 
  B, 
  zygomorphic 
  corolla 
  

   (Cassia 
  marilandica) 
  . 
  (After 
  Scbuizlein) 
  

  

  often 
  papilionaceous 
  (Fig. 
  21) 
  or 
  somewhat 
  actinomorphic, 
  in 
  

   No. 
  XVI 
  much 
  reduced. 
  Stamens 
  diadelphous 
  (Fig. 
  22), 
  mon- 
  

   adelphous, 
  or 
  distinct. 
  Ovary 
  simple, 
  superior. 
  Fruit 
  usually 
  

   a 
  1-celled 
  pod 
  (Fig. 
  22). 
  Seeds 
  one 
  or 
  several, 
  without 
  endo- 
  

   sperm. 
  A 
  large 
  and 
  very 
  important 
  family, 
  containing 
  about 
  

   8000 
  species. 
  

  

  