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  Rydberg: 
  Notes 
  on 
  Rosaceae 
  47 
  

  

  I, 
  Rosa 
  multiflora 
  Thunb. 
  

  

  This 
  species 
  is 
  a 
  native 
  of 
  Japan 
  and 
  China. 
  It 
  is 
  extensively 
  

   cultivated, 
  and 
  has 
  developed 
  into 
  numerous 
  horticultural 
  var- 
  

   ieties, 
  mostly 
  with 
  double 
  flowers. 
  Numerous 
  hybrids 
  have 
  also 
  

  

  r 
  

  

  been 
  produced. 
  It 
  has 
  become 
  naturalized 
  in 
  Alabama 
  and 
  on 
  

   Porto 
  Rico, 
  and 
  is 
  otherwise 
  found 
  occasionally 
  escaped 
  in 
  the 
  

   Southern 
  States. 
  Within 
  the 
  area 
  covered 
  by 
  this 
  paper, 
  there 
  

   is 
  a 
  simple 
  record 
  from 
  Mar>'land. 
  The 
  species 
  is 
  distinguished 
  

   from 
  its 
  relatives 
  by 
  the 
  fringed 
  stipules. 
  

  

  2. 
  Rosa 
  setigera 
  Michx, 
  

  

  This 
  is 
  a 
  native 
  of 
  the 
  Southern 
  States 
  and 
  is 
  common 
  from 
  

   North 
  Carolina 
  and 
  Kentucky 
  to 
  Alabama 
  and 
  Florida, 
  It 
  is 
  

  

  r 
  

  

  found, 
  however, 
  outside 
  of 
  this 
  range 
  as 
  far 
  west 
  as 
  Kansas 
  and 
  

   Arkansas. 
  The 
  following 
  localities 
  north 
  of 
  Kentucky 
  have 
  

   been 
  recorded. 
  The 
  specimens 
  collected 
  at 
  these 
  places 
  might 
  

   have 
  been 
  from 
  plants 
  escaped 
  from 
  cultivation. 
  

   New 
  York: 
  Oneida, 
  Maxon; 
  Ithaca, 
  Coville. 
  

  

  ^ 
  + 
  

  

  3. 
  Rosa 
  rubifolia 
  R. 
  Br. 
  

  

  This 
  species 
  has 
  been 
  regarded 
  as 
  the 
  same 
  as 
  the 
  preceding. 
  

   In 
  its 
  typical 
  form, 
  however, 
  with 
  its 
  broader 
  and 
  thicker 
  leaflets 
  

  

  ■ 
  4 
  

  

  densely 
  pubescent 
  beneath, 
  it 
  seems 
  quite 
  distinct. 
  The 
  few 
  

   intermediate 
  forms 
  seen 
  by 
  the 
  author 
  may 
  have 
  been 
  hybrids. 
  

   R, 
  rubifolia 
  has 
  its 
  best 
  development 
  in 
  the 
  Mississippi 
  Valley 
  and 
  

  

  r 
  

  

  is 
  rare 
  east 
  of 
  the 
  Alleghanies. 
  It 
  extends 
  further 
  north 
  than 
  

   R. 
  setigera. 
  The 
  following 
  specimens 
  are 
  here 
  recorded 
  from 
  

   outside 
  of 
  the 
  range 
  proper. 
  These 
  may 
  have 
  been 
  collected 
  

   from 
  escaped 
  plants, 
  as 
  this 
  species, 
  as 
  well 
  as 
  R. 
  setigera, 
  is 
  

  

  extensively 
  cultivated. 
  

  

  New 
  Jersey: 
  Milburn, 
  Mackenzie. 
  

  

  Ontario: 
  Sandwich 
  and 
  Pelee 
  Island, 
  Macoun, 
  

  

  II. 
  BRACTEATAE 
  

  

  One 
  species. 
  

  

  4. 
  R. 
  bracleata. 
  

  

  4. 
  RosA 
  bracteata 
  Wendl. 
  

  

  A 
  native 
  of 
  China, 
  often 
  cultivated 
  and 
  occasionally 
  escaped 
  

   and 
  naturalized 
  from 
  Virginia 
  to 
  Florida 
  and 
  Texas. 
  It 
  is 
  well 
  

  

  