﻿ROSE 
  FAMILY 
  125 
  

  

  thick, 
  oval 
  to 
  lanceolate-ovate, 
  acute 
  or 
  taper-pointed 
  at 
  the 
  apex, 
  

   finely 
  serrate 
  with 
  calloused 
  teeth, 
  smooth 
  above, 
  downy 
  on 
  the 
  veins 
  

   beneath. 
  Racemes 
  terminal, 
  long 
  and 
  spreading. 
  Flowers 
  white. 
  

   Fruit 
  globose, 
  about 
  | 
  in. 
  in 
  diameter, 
  purplish-black. 
  In 
  rich 
  woods. 
  

   Wood 
  much 
  used 
  in 
  cabinet-making.* 
  

  

  2. 
  P. 
  virginiana 
  L. 
  CHOKECHERRY. 
  A 
  shrub 
  or 
  small 
  tree, 
  5-20 
  ft. 
  

   high. 
  Leaves 
  thin, 
  oval 
  or 
  obovate, 
  pale, 
  pointed, 
  sharply 
  serrate. 
  Flow- 
  

   ers 
  small, 
  white, 
  in 
  short 
  racemes. 
  Fruit 
  bright 
  red, 
  turning 
  at 
  length 
  

   to 
  dark 
  crimson, 
  very 
  puckery 
  until 
  fully 
  ripe. 
  River 
  banks 
  and 
  thickets. 
  

  

  3. 
  P. 
  pennsylvanica 
  L. 
  f. 
  WILD 
  RED 
  CHERRY. 
  A 
  tree 
  20-30 
  ft. 
  

   high, 
  with 
  light, 
  reddish-brown 
  bark. 
  Leaves 
  oval 
  or 
  oblong-lanceo- 
  

   late, 
  pointed, 
  finely 
  serrate, 
  with 
  both 
  sides 
  green, 
  smooth 
  and 
  shin- 
  

   ing. 
  Flowers 
  long-pediceled, 
  many 
  in 
  a 
  cluster, 
  the 
  clusters 
  lateral, 
  

   leafless. 
  Fruit 
  globose, 
  very 
  small, 
  light 
  red, 
  with 
  thin 
  sour 
  pulp 
  

   and 
  globular 
  stone. 
  In 
  rocky 
  woods. 
  

  

  4. 
  P. 
  Besseyi 
  Bailey. 
  WESTERN 
  SAND 
  CHERRY. 
  A 
  shrub 
  1-4 
  ft. 
  

   high, 
  often 
  with 
  spreading 
  and 
  prostrate 
  branches. 
  Leaves 
  usually 
  

   elliptic 
  or 
  oblong-elliptic, 
  with 
  appressed 
  teeth. 
  Flowers 
  sessile 
  in 
  

   lateral 
  umbels, 
  | 
  in. 
  to 
  nearly 
  i 
  in. 
  in 
  diameter, 
  opening 
  with 
  the 
  

   leaves. 
  Fruit 
  black, 
  mottled, 
  or 
  yellowish, 
  i-J 
  in. 
  in 
  diameter, 
  bitter 
  

   and 
  astringent. 
  Prairies 
  W. 
  

  

  5. 
  P. 
  Cerasus 
  L. 
  CHERRY. 
  Often 
  becoming 
  a 
  large 
  tree. 
  Leaves 
  

   oval 
  or 
  ovate, 
  acute 
  or 
  taper-pointed 
  at 
  the 
  apex, 
  rounded 
  at 
  the 
  

   base, 
  irregularly 
  serrate-dentate, 
  smooth 
  on 
  both 
  sides, 
  resinous 
  

   when 
  young. 
  Flowers 
  in 
  lateral 
  umbels, 
  white 
  ; 
  pedicels 
  long 
  and 
  

   slender. 
  Fruit 
  globose, 
  red 
  or 
  black. 
  Cultivated 
  from 
  Europe. 
  This 
  

   is 
  the 
  species 
  from 
  which 
  most 
  of 
  our 
  sour 
  cultivated 
  varieties 
  have 
  

   been 
  developed.* 
  

  

  B. 
  Stone 
  oval, 
  compressed 
  ; 
  fruit 
  smooth 
  irhen 
  ripe. 
  Branches 
  often 
  

   spiny. 
  (Plums.) 
  

  

  6. 
  P. 
  angustifolia 
  Marsh. 
  CHICKASAW 
  PLUM. 
  A 
  small 
  tree 
  with 
  

   spiny 
  branches. 
  Leaves 
  lanceolate 
  or 
  oblong-lanceolate, 
  acute 
  at 
  the 
  

   apex, 
  usually 
  obtuse 
  at 
  the 
  base, 
  finely 
  and 
  sharply 
  serrate, 
  rather 
  

   thin, 
  smooth. 
  Flowers 
  in 
  lateral, 
  sessile 
  umbels, 
  pedicels 
  short. 
  

   Calyx 
  smooth. 
  Fruit 
  yellowish-red, 
  subglobose, 
  skin 
  thin, 
  stone 
  only 
  

   slightly 
  compressed. 
  In 
  old 
  fields 
  S.* 
  

  

  7. 
  P. 
  americana 
  Marsh. 
  WILD 
  PLUM. 
  A 
  small 
  tree, 
  bark 
  thick 
  

   and 
  rough, 
  branches 
  spiny. 
  Leaves 
  ovate 
  or 
  obovate, 
  acuminate 
  at 
  

   the 
  apex, 
  rounded 
  or 
  cordate 
  at 
  the 
  base, 
  sharply 
  serrate, 
  rather 
  

   thick, 
  downy 
  beneath 
  ; 
  petioles 
  glandular. 
  Flowers 
  in 
  lateral, 
  sessile 
  

   umbels, 
  appearing 
  with 
  or 
  before 
  the 
  leaves; 
  pedicels 
  |-| 
  in. 
  long, 
  

   flowers 
  \-\ 
  in. 
  in 
  diameter. 
  Calyx 
  downy 
  within. 
  Fruit 
  -globose, 
  red 
  

   or 
  yellow, 
  '-1 
  in. 
  in 
  diameter. 
  Common 
  in 
  woods.* 
  

  

  