﻿ROSE 
  FAMILY 
  119 
  

  

  2. 
  F. 
  vesca 
  L. 
  EUROPEAN 
  STRAWBERRY. 
  Leaflets 
  ovate 
  or 
  broadly 
  

   oval, 
  dentate 
  above, 
  wedge-shaped 
  below, 
  slightly 
  hairy. 
  Scape 
  usu- 
  

   ally 
  longer 
  than 
  the 
  petioles. 
  Fruit 
  globular 
  or 
  oval, 
  akenes 
  adherent 
  

   to 
  the 
  nearly 
  even 
  surface 
  of 
  the 
  receptacle. 
  Common 
  in 
  cultivation. 
  

   Many 
  of 
  the 
  cultivated 
  varieties 
  of 
  strawberry 
  are 
  hybrids 
  between 
  

   the 
  two 
  described 
  above. 
  The 
  following 
  variety 
  is 
  by 
  some 
  regarded 
  

   as 
  distinct.* 
  

  

  Var. 
  americana 
  Porter. 
  AMERICAN 
  WOOD 
  STRAWBERRY. 
  Slender, 
  

   smooth 
  or 
  silky-downy. 
  Leaflets 
  very 
  thin, 
  sharply 
  cut-toothed, 
  downy 
  

   beneath 
  with 
  close-lying 
  silvery 
  hairs, 
  the 
  down 
  of 
  the 
  scapes, 
  the 
  

   pedicels, 
  and 
  sometimes 
  of 
  the 
  leafstalks 
  also, 
  usually 
  close-lying. 
  

   Calyx 
  lobes 
  reflexed 
  in 
  fruit. 
  Rocky 
  woods. 
  

  

  VHI. 
  WALDSTEINIA 
  Willd. 
  

  

  Stemless 
  perennial 
  herbs. 
  Leaves 
  3-5-lobed 
  or 
  -divided. 
  

   Flowers 
  several, 
  rather 
  small, 
  yellow, 
  on 
  a 
  bracted 
  scape. 
  

   Calyx 
  tube 
  top-shaped 
  ; 
  the 
  limb 
  spreading, 
  with 
  sometimes 
  

   little 
  bracts 
  alternating 
  with 
  the 
  lobes. 
  Petals 
  5. 
  Stamens 
  

   many. 
  Style 
  2-6. 
  Akenes 
  few, 
  on 
  a 
  dry 
  receptacle. 
  

  

  1. 
  W. 
  fragarioides 
  Tratt. 
  BARREN 
  STRAWBERRY. 
  A 
  low 
  herb 
  with 
  

   much 
  the 
  appearance 
  of 
  a 
  strawberry 
  plant. 
  Leaflets 
  3, 
  broadly 
  

   wedge-shaped, 
  crenate-dentate. 
  Scapes 
  many-flowered 
  ; 
  the 
  flowers 
  

   rather 
  pretty. 
  Wooded 
  hillsides. 
  

  

  IX. 
  POTENTILLA 
  L. 
  

  

  Perennial 
  herbs, 
  rarely 
  shrubs. 
  Leaves 
  compound 
  ; 
  stipules 
  

   united 
  to 
  the 
  petiole. 
  Flowers 
  white 
  or 
  yellow, 
  rarely 
  red 
  ; 
  

   solitary 
  or 
  in 
  cymes. 
  Calyx 
  hypogynous, 
  5-cleft, 
  with 
  5 
  little 
  

   bracts 
  alternating 
  with 
  its 
  lobes. 
  Petals 
  5. 
  Stamens 
  many. 
  

   Carpels 
  usually 
  many, 
  on 
  a 
  dry 
  convex 
  or 
  concave 
  receptacle 
  ; 
  

   styles 
  falling 
  off 
  from 
  the 
  akenes 
  as 
  they 
  mature. 
  

  

  B. 
  Fl. 
  species 
  5 
  (Argentina}. 
  

  

  1. 
  P. 
  arguta 
  Pursh. 
  UPRIGHT 
  CINQUEFOIL. 
  An 
  erect, 
  stout, 
  hairy 
  

   plant, 
  1-4 
  ft. 
  high. 
  Basal 
  leaves 
  long-petioled, 
  pinnate. 
  Stem 
  leaves 
  

   few, 
  each 
  of 
  3-7 
  leaflets, 
  the 
  latter 
  broadly 
  ovate 
  and 
  cut-toothed 
  or 
  

   serrate, 
  downy 
  underneath. 
  Flowers 
  large, 
  in 
  dense 
  terminal 
  clus- 
  

   ters 
  ; 
  the 
  petals 
  whitish 
  or 
  cream 
  color. 
  Rocky 
  hills. 
  

  

  2. 
  P. 
  monspeliensis 
  L. 
  ROUGH 
  CINQUEFOIL. 
  Annual 
  or 
  biennial. 
  

   Stem 
  rough-hairy, 
  erect 
  and 
  stout, 
  6-30 
  in. 
  high. 
  Leaves 
  of 
  3 
  leaf- 
  

   lets, 
  the 
  lower 
  petioled, 
  the 
  upper 
  stem 
  leaves 
  sessile 
  or 
  nearly 
  so, 
  

  

  