﻿112 
  KEY 
  AND 
  FLORA 
  

  

  Vn. 
  RIBES 
  L. 
  

  

  Shrubs. 
  Leaves 
  palmately 
  veined 
  and 
  lobed, 
  sometimes 
  with 
  

   stipules. 
  Calyx 
  tube 
  egg-shaped, 
  its 
  5 
  epigynous 
  lobes 
  usually 
  

   colored 
  like 
  the 
  petals. 
  Petals 
  5, 
  small, 
  generally 
  inserted 
  on 
  

   the 
  throat 
  of 
  the 
  calyx 
  tube. 
  Stamens 
  5, 
  inserted 
  with 
  the 
  

   petals. 
  Styles 
  2 
  ; 
  ovary 
  1-celled, 
  with 
  2 
  placentae 
  on 
  its 
  walls, 
  

   becoming 
  in 
  fruit 
  a 
  pulpy 
  (usually 
  eatable) 
  berry. 
  

  

  1. 
  R. 
  Cynosbati 
  L. 
  PRICKLY 
  WILD 
  GOOSEBERRY. 
  Spines 
  in 
  

   pairs. 
  Leaves 
  long-petioled, 
  downy, 
  heart-shaped, 
  cut-dentate. 
  The 
  

   single 
  style 
  and 
  the 
  stamens 
  not 
  projecting 
  from 
  the 
  calyx 
  .tube. 
  

   Berries 
  generally 
  prickly, 
  brownish-purple, 
  pleasant-flavored. 
  

  

  2. 
  R. 
  gracile 
  Michx. 
  SLENDER 
  GOOSEBERRY. 
  Spines 
  slender, 
  

   solitary, 
  or 
  in 
  pairs 
  or 
  threes. 
  Leaves 
  with 
  slender 
  petioles, 
  some- 
  

   what 
  downy 
  when 
  young, 
  round, 
  the 
  base 
  truncate 
  or 
  obtuse, 
  3-5- 
  

   lobed, 
  the 
  divisions 
  obtuse 
  and 
  toothed. 
  Flowers 
  often 
  in 
  threes, 
  

   white 
  or 
  greenish, 
  drooping. 
  Calyx 
  lobes 
  longer 
  than 
  the 
  tube; 
  

   stamens 
  decidedly 
  projecting 
  from 
  the 
  tube. 
  Berries 
  smooth, 
  red- 
  

   dish-purple. 
  Dry 
  or 
  rocky 
  soil 
  \V. 
  

  

  3. 
  R. 
  rotundifolium 
  Michx. 
  SMOOTH 
  WILD 
  GOOSEBERRY. 
  Spines 
  

   few 
  and 
  short, 
  prickles 
  few 
  or 
  absent. 
  Leaves 
  roundish, 
  lobed, 
  with 
  

   the 
  lobes 
  crenate-dentate, 
  often 
  downy. 
  Peduncles 
  slender 
  ; 
  flowers 
  

   inconspicuous. 
  Calyx 
  lobes 
  reflexed. 
  Styles 
  and 
  stamens 
  projecting 
  

   decidedly 
  from 
  the 
  calyx 
  tube. 
  Berries 
  smooth. 
  

  

  4. 
  R. 
  oxyacanthoides 
  L. 
  NORTHERN 
  GOOSEBERRY. 
  Spines 
  usually 
  

   solitary, 
  often 
  numerous. 
  Leaves 
  petioled, 
  their 
  lower 
  surfaces 
  and 
  

   petioles 
  commonly 
  downy. 
  Flowers 
  1-3 
  together, 
  on 
  short 
  pedicels, 
  

   greenish-purple 
  or 
  white. 
  Berry 
  |-i 
  in. 
  in 
  diameter, 
  smooth, 
  reddish- 
  

   purple. 
  Low 
  groimds 
  and 
  damp 
  woods 
  N. 
  

  

  5. 
  R. 
  americanum 
  Mill. 
  WILD 
  BLACK 
  CURRANT. 
  Branches 
  thorn- 
  

   less, 
  erect. 
  Leaves 
  resinous-dotted, 
  somewhat 
  heart-shaped, 
  3-5-lobed, 
  

   toothed. 
  Flowers 
  large, 
  whitish. 
  Calyx 
  tubular-bell-shaped, 
  smooth. 
  

   Fruit 
  round-ovoid, 
  black, 
  smooth. 
  In 
  woods. 
  

  

  6. 
  R. 
  vulgare 
  Lam. 
  RED 
  CURRANT. 
  Stems 
  more 
  or 
  less 
  reclining. 
  

   Leaves 
  somewhat 
  heart-shaped, 
  obtusely 
  3-5-lobed. 
  Racemes 
  droop- 
  

   ing. 
  Limb 
  of 
  the 
  calyx 
  wheel-shaped. 
  Berries 
  acid, 
  eatable, 
  red 
  

   or 
  light 
  amber-colored. 
  Cultivated 
  from 
  Europe 
  ; 
  also 
  somewhat 
  

   naturalized. 
  

  

  7. 
  R. 
  odoratum 
  Wendland. 
  GOLDEN 
  CURRANT, 
  FLOWERING 
  C., 
  

   MISSOURI 
  C., 
  CLOVE 
  CURRANT. 
  A 
  much 
  taller 
  shrub 
  than 
  the 
  com- 
  

   mon 
  red 
  currant. 
  Leaves 
  3-lobed, 
  toothed. 
  Racemes 
  short 
  and 
  loose. 
  

   Tube 
  of 
  the 
  yellow 
  calyx 
  much 
  longer 
  than 
  its 
  limb. 
  Flowers 
  very 
  

   fragrant. 
  Fruit 
  brownish-black, 
  barely 
  eatable. 
  

  

  