﻿MUSTARD 
  FAMILY 
  103 
  

  

  pinnately 
  cut 
  toward 
  the 
  base, 
  obtuse 
  ; 
  stem 
  leaves 
  oblong 
  or 
  lanceo- 
  

   late, 
  entire 
  or 
  somewhat 
  toothed, 
  with 
  an 
  arrow-shaped 
  clasping 
  

   base. 
  Flowers 
  white 
  or 
  yellowish, 
  on 
  stout 
  pedicels. 
  Pods 
  ovate, 
  

   winged, 
  slightly 
  notched, 
  tipped 
  with 
  a 
  very 
  small 
  persistent 
  style. 
  

   Fields 
  and 
  waste 
  ground, 
  becoming 
  a 
  troublesome 
  weed. 
  Naturalized 
  

   from 
  Europe. 
  

  

  V. 
  CAPSELLA 
  Medic. 
  (BURSA) 
  

  

  Annual. 
  Stem 
  erect, 
  downy, 
  with 
  branched 
  hairs. 
  Racemes 
  

   terminal, 
  becoming 
  elongated 
  in 
  fruit. 
  Flowers 
  small, 
  white. 
  

   Pod 
  obcordate 
  or 
  triangular, 
  flattened 
  contrary 
  to 
  the 
  parti- 
  

   tion, 
  shorter 
  than 
  the 
  spreading 
  pedicels.* 
  

  

  1. 
  C. 
  Bursa-pastoris 
  Medic. 
  SHEPHERD'S 
  PURSE. 
  Root 
  long 
  and 
  

   straight. 
  Stem 
  branching 
  above, 
  downy 
  below, 
  smooth 
  above. 
  

   Lower 
  leaves 
  forming 
  a 
  rosette 
  at 
  the 
  base 
  of 
  the 
  stem, 
  irregularly 
  

   lobed 
  or 
  pinnately 
  cut 
  ; 
  stem 
  leaves 
  lanceolate, 
  clasping, 
  toothed 
  or 
  

   entire. 
  Sepals 
  downy, 
  about 
  ^ 
  as 
  long 
  as 
  the 
  petals. 
  Pod 
  triangular, 
  

   notched, 
  or 
  cordate 
  at 
  the 
  apex. 
  Seeds 
  several 
  in 
  each 
  cell. 
  A 
  com- 
  

   mon 
  weed.* 
  

  

  VI. 
  RAPHANUS 
  L. 
  

  

  Annual 
  or 
  biennial 
  herbs. 
  Basal 
  leaves 
  lyrate. 
  Flowers 
  in 
  

   long 
  racemes, 
  white 
  or 
  yellow, 
  purple-veined. 
  Sepals 
  erect. 
  

   Pods 
  rather 
  long, 
  slender-beaked, 
  not 
  splitting 
  open 
  but 
  some- 
  

   times 
  breaking 
  across 
  into 
  1-seeded 
  joints. 
  

  

  1. 
  R. 
  Raphanistrum 
  L. 
  WILD 
  RADISH, 
  JOINTED 
  CHARLOCK. 
  A 
  

   stout, 
  hairy 
  annual, 
  1-2 
  ft. 
  high. 
  Leaves 
  cut 
  into 
  remote 
  segments, 
  

   which 
  are 
  coarsely 
  toothed 
  or 
  serrate 
  ; 
  terminal 
  segment 
  largest. 
  

   Flowers 
  yellow, 
  turning 
  whitish 
  or 
  purplish. 
  Pods 
  necklace-shaped, 
  

   and 
  with 
  a 
  long 
  beak. 
  A 
  common 
  weed 
  eastward. 
  Naturalized 
  from 
  

   Europe. 
  

  

  2. 
  R. 
  sativus 
  L. 
  COMMON 
  RADISH. 
  Similar 
  to 
  No. 
  1, 
  but 
  with 
  

   pink 
  or 
  white 
  flowers. 
  Root 
  fleshy, 
  conical 
  or 
  turnip-shaped. 
  Pod 
  

   fleshy, 
  2-3-seeded, 
  the 
  beak 
  often 
  longer 
  than 
  the 
  seed-bearing 
  portion. 
  

   Cultivated 
  from 
  Asia 
  and 
  occasionally 
  self-sown 
  in 
  cultivated 
  ground. 
  

  

  VII. 
  BRASSICA 
  L. 
  

  

  Branching 
  herbs. 
  Leaves 
  often 
  pinnately 
  cut. 
  Flowers 
  in 
  

   racemes, 
  rather 
  large, 
  yellow. 
  Sepals 
  spreading. 
  Pods 
  nearly 
  

   cylindrical, 
  sometimes 
  tipped 
  with 
  a 
  beak 
  which 
  does 
  not 
  

   open. 
  Seeds 
  globular. 
  

  

  