﻿64 
  KEY 
  AND 
  FLORA 
  

  

  Flowers 
  in 
  small 
  clusters. 
  Fruit 
  oblong, 
  downy 
  on 
  the 
  sides, 
  ciliate 
  

   on 
  the 
  edges. 
  On 
  rich 
  soil. 
  Occasionally 
  producing 
  a 
  second 
  set 
  of 
  

   flowers 
  and 
  fruit 
  from 
  September 
  to 
  November.* 
  

  

  D. 
  CELTIS 
  L. 
  

  

  Trees 
  or 
  shrubs 
  with 
  entire 
  or 
  serrate, 
  petioled 
  leaves. 
  

   Flowers 
  greenish, 
  axillary, 
  on 
  wood 
  of 
  the 
  same 
  season, 
  the 
  

   staminate 
  in 
  small 
  clusters, 
  the 
  fertile 
  single 
  or 
  2-3 
  together.* 
  

  

  1. 
  C. 
  occidentalis 
  L. 
  HACKBERRY. 
  A 
  large 
  or 
  medium-sized 
  tree, 
  

   having 
  much 
  the 
  appearance 
  of 
  an 
  elm, 
  bark 
  dark 
  and 
  rough. 
  

   Leaves 
  ovate, 
  taper-pointed 
  at 
  the 
  apex, 
  abruptly 
  obtuse 
  and 
  inequi- 
  

   lateral 
  at 
  the 
  base, 
  sharply 
  serrate, 
  often 
  :5-nervetl 
  from 
  the 
  base, 
  

   smooth 
  above, 
  usually 
  somewhat 
  downy 
  below. 
  Fruit 
  a 
  small, 
  dark- 
  

   purple 
  drupe. 
  On 
  rich 
  soil. 
  

  

  2. 
  C. 
  mississippiensis 
  Bosc. 
  SOUTHERN 
  HACKBERRY. 
  A 
  tree 
  

   usually 
  smaller 
  than 
  the 
  preceding, 
  bark 
  gray, 
  often 
  very 
  warty. 
  

   Leaves 
  broadly 
  lanceolate 
  or 
  ovate, 
  long 
  taper-pointed 
  at 
  the 
  apex, 
  

   obtuse 
  or 
  sometimes 
  heart-shaped 
  at 
  the 
  base, 
  entire 
  or 
  with 
  very 
  

   few 
  serratures, 
  smooth 
  on 
  both 
  sides, 
  3-nerved. 
  Fruit 
  a 
  purplish- 
  

   black, 
  globose 
  drupe.* 
  

  

  20. 
  MORACE.E. 
  MTLBERRY 
  FAMILY 
  

  

  Trees, 
  shrubs, 
  or 
  herbs, 
  usually 
  with 
  milky 
  juice, 
  alternate 
  

   leaves, 
  large 
  deciduous 
  stipules, 
  and 
  small 
  monoecious 
  or 
  dioe- 
  

   cious 
  flowers 
  crowded 
  in 
  spikes, 
  heads, 
  or 
  racemes, 
  or 
  inclosed 
  

   in 
  a 
  fleshy 
  receptacle. 
  Staminate 
  flowers 
  with 
  a 
  usually 
  4-lobed 
  

   calyx, 
  and 
  with 
  as 
  many 
  stamens 
  opposite 
  the 
  lobes; 
  filaments 
  

   usually 
  inflexed 
  in 
  the 
  bud, 
  straightening 
  at 
  maturity. 
  Pistil- 
  

   late 
  flowers 
  usually 
  4-sepalous 
  ; 
  ovary 
  1-2-celled, 
  1-2-ovuled 
  ; 
  

   styles 
  2 
  ; 
  receptacle 
  and 
  perianth 
  often 
  fleshy 
  at 
  maturity.* 
  

  

  I. 
  MORUS 
  L. 
  

  

  Trees 
  or 
  shrubs 
  with 
  milky 
  juice, 
  rounded 
  leaves, 
  and 
  monoe- 
  

   cious 
  flowers 
  in 
  axillary 
  spikes. 
  Staminate 
  flowers 
  with 
  a 
  

   4-parted 
  perianth, 
  and 
  4 
  stamens 
  inflexed 
  in 
  the 
  bud. 
  Pistil- 
  

   late 
  flowers 
  with 
  a 
  4-parted 
  perianth, 
  which 
  becomes 
  fleshy 
  in 
  

   the 
  multiple 
  fruit, 
  the 
  pulpy 
  part 
  of 
  which 
  consists 
  of 
  the 
  

  

  