﻿Osterhout: 
  Rocky 
  Mountain 
  botany 
  559 
  

  

  i 
  

  

  difficult, 
  and 
  took 
  "without 
  the 
  least 
  regret 
  our 
  final 
  leave 
  of 
  the 
  

  

  came 
  

  

  'valley 
  of 
  souls 
  In 
  purgatory/" 
  

   table-land, 
  and 
  the 
  next 
  day 
  came 
  to 
  a 
  stream 
  which 
  they 
  came 
  to 
  

   consider 
  as 
  a 
  tributary 
  of 
  the 
  Canadian 
  River, 
  Under 
  date 
  of 
  

   July 
  30th 
  Dr. 
  James 
  wrote: 
  *'The 
  country 
  between 
  the 
  sources 
  of 
  

   the 
  Purgatory 
  creek 
  and 
  the 
  stream 
  on 
  which 
  we 
  are 
  now 
  encamped 
  

   is 
  a 
  wide 
  and 
  elevated 
  formation 
  of 
  trap 
  rocks, 
  resting 
  on 
  hori- 
  

   zontal 
  sandstone. 
  In 
  trav^ersing 
  it 
  we 
  had 
  collected 
  many 
  new 
  

   and 
  interesting 
  plants. 
  Among 
  these 
  were 
  a 
  large 
  decumbent 
  

   mcntzelia, 
  an 
  unarmed 
  rubus, 
  with 
  

  

  It 
  would 
  seem 
  quite 
  probable 
  

   that 
  Penstemoii 
  Jamesii 
  Benth. 
  was 
  among 
  the 
  pentstemons 
  col- 
  

  

  mon 
  

  

  time. 
  From 
  Dr. 
  J 
  

  

  J 
  

  

  was 
  the 
  southeast 
  part 
  of 
  Las 
  Animas 
  County, 
  Colorado, 
  and 
  

   adjacent 
  New 
  Mexico; 
  and 
  the 
  first 
  streams 
  encountered 
  were 
  

   tributary 
  to 
  the 
  Cimmaron 
  River 
  and 
  not 
  to 
  the 
  Canadian, 
  

   Through 
  this 
  piece 
  of 
  country 
  there 
  is 
  an 
  extensive 
  area 
  of 
  extrusive 
  

   igneous 
  rock, 
  which 
  is 
  often 
  mentioned 
  in 
  Dr, 
  James's 
  descriptions 
  

   as 
  trap 
  rock. 
  The 
  plants 
  collected 
  would 
  be 
  indigenous 
  on 
  both 
  

   sides 
  of 
  the 
  boundary 
  line 
  between 
  Colorado 
  and 
  New 
  Mexico. 
  

   The 
  reference 
  to 
  ''Sources 
  of 
  the 
  Canadian" 
  may 
  apply 
  equally 
  to 
  

   tributaries 
  of 
  the 
  Cimmaron. 
  After 
  this 
  date 
  many 
  other 
  plants 
  

   were 
  collected, 
  but 
  the 
  expedition 
  passed 
  eastward, 
  out 
  of 
  the 
  

   Rocky 
  Mountain 
  region 
  and 
  the 
  plants 
  are 
  more 
  of 
  southern 
  and 
  

  

  eastern 
  affinities. 
  

  

  The 
  new 
  species 
  were 
  described 
  by 
  a 
  number 
  of 
  botanists; 
  

   some 
  by 
  Dr. 
  James, 
  most 
  of 
  them 
  by 
  Dr. 
  Torrey, 
  a 
  few 
  by 
  Torrey 
  

   and 
  Gray, 
  and 
  a 
  few 
  by 
  the 
  English 
  botanist 
  Bentham. 
  Dr. 
  

   James 
  furnished 
  a 
  Catalogue 
  of 
  Plants, 
  except 
  the 
  critical 
  species, 
  to 
  

   the 
  American 
  Philosophical 
  Society, 
  which 
  was 
  "read" 
  August 
  17. 
  

   1 
  82 
  1, 
  and 
  published 
  in 
  1825. 
  Dr. 
  Torrey 
  published 
  most 
  of 
  his 
  

   new 
  species 
  in 
  the 
  Annals 
  of 
  the 
  New 
  York 
  Lyceum 
  of 
  Natural 
  

   History, 
  from 
  1824 
  to 
  1826; 
  some 
  of 
  the 
  proceedings 
  seemingly 
  

   were 
  not 
  published 
  till 
  1828* 
  Dr. 
  James 
  made 
  his 
  classification 
  

   according 
  to 
  the 
  Linnaean 
  system, 
  but 
  Dr. 
  Torrey 
  published 
  his 
  

   "Account" 
  according 
  to 
  the 
  natural 
  system, 
  the 
  first 
  publication 
  

   so 
  made 
  in 
  the 
  United 
  States. 
  ___^ 
  

  

  * 
  The 
  species 
  of 
  " 
  myosotia" 
  may 
  have 
  been 
  of 
  Lappula 
  or 
  Oreocaypa. 
  

  

  