﻿92 
  KEY 
  AND 
  FLORA 
  

  

  in. 
  BERBERIS 
  L. 
  

  

  Spiny 
  shrubs 
  with 
  yellow 
  wood. 
  Leaves 
  spinous-toothed. 
  

   joiuted 
  on 
  the 
  very 
  short 
  petiole, 
  often 
  reduced 
  to 
  3 
  7-cleft 
  

   spines. 
  Flowers 
  in 
  racemes, 
  solitary 
  or 
  in 
  pairs. 
  Sepals 
  8-9, 
  the 
  

   outer 
  minute. 
  Petals 
  6, 
  each 
  with 
  2 
  nectar 
  glands 
  at 
  the 
  base. 
  

   Stamens 
  6. 
  Ovules 
  few. 
  Berry 
  1-2-seeded 
  ; 
  seeds 
  bony-coated. 
  

  

  1. 
  B. 
  vulgaris 
  L. 
  COMMON 
  BARBKRHY. 
  A 
  shrub 
  4-6 
  ft. 
  high. 
  

   Leaves 
  obovate, 
  spinous-serrate 
  ; 
  those 
  on 
  the 
  old 
  shoots 
  mere 
  

   spines. 
  Flowers 
  pale 
  yellow, 
  in 
  drooping 
  racemes. 
  Stamens 
  irritable, 
  

   closing 
  quickly 
  toward 
  the 
  center 
  of 
  the 
  flower 
  when 
  touched. 
  Berry 
  

   I 
  in. 
  long, 
  nearly 
  ellipsoidal 
  in 
  shape, 
  scarlet 
  or 
  orange-scarlet, 
  very 
  

   acid, 
  eatable 
  when 
  cooked. 
  Cultivated 
  from 
  Europe 
  and 
  introduced 
  

   in 
  eastern 
  New 
  England 
  and 
  locally 
  in 
  the 
  upper 
  Mississippi 
  Valley. 
  

  

  2. 
  B. 
  Thunbergii 
  DC. 
  A 
  low 
  shrub. 
  Leaves 
  entire, 
  turning 
  red 
  

   and 
  remaining 
  so 
  for 
  a 
  considerable 
  time 
  in 
  autumn. 
  Flowers 
  

   solitary 
  or 
  in 
  pairs. 
  Berries 
  bright 
  red, 
  remaining 
  on 
  the 
  branches 
  

   all 
  winter. 
  Cultivated 
  from 
  Japan. 
  

  

  35. 
  MAGNOLIACEJE. 
  MAGNOLIA 
  FAMILY 
  

  

  Trees 
  or 
  shrubs. 
  Leaves 
  alternate, 
  not 
  toothed 
  or 
  serrate. 
  

   Flowers 
  solitary, 
  large 
  and 
  showy. 
  Floral 
  envelopes 
  and 
  sta- 
  

   mens 
  hypogynous. 
  Calyx 
  and 
  corolla 
  colored 
  alike, 
  the 
  parts 
  of 
  

   the 
  perianth 
  forming 
  3 
  or 
  more 
  circles 
  of 
  3 
  parts 
  each. 
  Stamens 
  

   many. 
  Carpels 
  many, 
  usually 
  joined 
  over 
  the 
  long 
  receptacle 
  

   and 
  forming 
  a 
  sort 
  of 
  cone-shaped 
  fruit, 
  which 
  may 
  be 
  either 
  

   fleshy 
  or 
  dry. 
  

  

  I. 
  MAGNOLIA 
  L. 
  

  

  Aromatic 
  trees 
  or 
  shrubs. 
  Leaves 
  alternate, 
  often 
  in 
  clusters 
  

   at 
  the 
  ends 
  of 
  the 
  branches, 
  entire, 
  usually 
  thick 
  and 
  leathery 
  ; 
  

   stipules 
  large, 
  quickly 
  deciduous. 
  Flowers 
  terminal, 
  showy, 
  

   bisexual. 
  Sepals 
  3, 
  caducous. 
  Petals 
  6-12, 
  in 
  2-4 
  rows, 
  con- 
  

   cave. 
  Stamens 
  numerous. 
  Ovaries 
  numerous, 
  1-celled, 
  2-seeded, 
  

   the 
  mature 
  follicles 
  opening 
  at 
  the 
  beak 
  and 
  the 
  fleshy 
  seeds 
  

   remaining 
  for 
  some 
  time 
  suspended 
  by 
  slender 
  threads.* 
  

  

  1. 
  M. 
  virginiana 
  L. 
  SWEET 
  BAY. 
  A 
  small 
  tree 
  with 
  light 
  gray 
  

   bark. 
  Leaves 
  scattered 
  on 
  the 
  branches, 
  evergreen, 
  thick 
  and 
  

   leathery, 
  oval 
  or 
  oblong, 
  smooth 
  and 
  green 
  above, 
  white 
  and 
  with 
  

  

  