﻿494 
  Smith: 
  Studies 
  in 
  the 
  genus 
  Lupinus 
  

  

  1882, 
  C. 
  G. 
  Pringle 
  (G, 
  T, 
  US); 
  Redlands, 
  April, 
  1897, 
  Mrs. 
  A. 
  P. 
  

   Maynard 
  (UC); 
  San 
  Bernardino, 
  May, 
  1880, 
  G. 
  R. 
  Vasey 
  102 
  

   (US); 
  same, 
  May, 
  1886, 
  S. 
  B. 
  &■ 
  W. 
  F. 
  Parish 
  Q46 
  (G, 
  NY) 
  ; 
  same, 
  

   April, 
  1888, 
  and 
  May, 
  1893, 
  S.B. 
  Parish 
  (UC); 
  same, 
  April, 
  1901, 
  

   S. 
  B. 
  Parish 
  (NY); 
  same, 
  April, 
  1903, 
  5. 
  B. 
  Parish 
  ^IQS 
  (B); 
  

   same, 
  April, 
  1906, 
  S. 
  B. 
  Parish 
  5578 
  (RM) 
  ; 
  San 
  Gorgonio 
  Pass, 
  

   April, 
  1898, 
  /. 
  B. 
  Leiberg 
  3233 
  (US). 
  San 
  Diego 
  County: 
  Colo- 
  

   rado 
  Desert, 
  April, 
  1889, 
  and 
  April, 
  1890, 
  C. 
  R. 
  Orcutt 
  (US); 
  

  

  C. 
  R. 
  Orcutt 
  (US) 
  ; 
  

  

  Jacumba 
  

  

  May 
  

  

  (G); 
  Witch 
  Creek, 
  R. 
  D. 
  Alderson 
  (UC). 
  Ventura 
  County: 
  Ojai 
  

   Valley, 
  April, 
  1896, 
  F. 
  W. 
  Hubby 
  33 
  (UC). 
  

  

  Nevada. 
  Clark 
  County: 
  Mica 
  Springs, 
  April, 
  1894, 
  M. 
  E. 
  

   Jones 
  S064P 
  (NY, 
  UC, 
  US). 
  

  

  Arizona. 
  Maricopa 
  County: 
  Valley 
  Hassayampa, 
  1876, 
  

   E. 
  Palmer 
  381 
  (UC). 
  Pima 
  County: 
  Redington 
  to 
  Tanque 
  

   Verde, 
  March-April, 
  1903, 
  D. 
  Griffiths 
  3781 
  (US); 
  Santa 
  Cata- 
  

   lina 
  Mountains, 
  April, 
  1908, 
  /. 
  N. 
  Rose 
  11809 
  (US); 
  Santa 
  

   Rita 
  Forest, 
  March-April, 
  1903, 
  D. 
  Griffiths 
  3800 
  (US); 
  Tucson, 
  

   1905, 
  Desert 
  Botanical 
  Laboratory 
  {\JS) 
  ; 
  Tucson 
  to 
  Steam 
  Pump, 
  

   March-April, 
  1903, 
  D. 
  Griffiths 
  3627 
  (US) 
  ; 
  Tucson 
  Mountains, 
  

   March-April, 
  1903, 
  D. 
  Griffiths 
  3482 
  (US); 
  same, 
  April, 
  1892, 
  

   /. 
  W. 
  Tourney 
  (US 
  2 
  11 
  805). 
  Pinal 
  County: 
  Dudleyville, 
  March- 
  

   April, 
  1903, 
  D. 
  Griffith 
  3715 
  (US). 
  Santa 
  Cruz 
  County 
  : 
  Calabasas, 
  

   April, 
  1908, 
  I. 
  Tidestrom 
  867, 
  (US). 
  County 
  not 
  determined: 
  

   1876, 
  E. 
  Palmer 
  581 
  (US 
  20990); 
  Saginaw 
  Mine 
  road, 
  March, 
  

   1901, 
  D. 
  Griffiths 
  2493 
  (NY); 
  Willow 
  Spring 
  Mountain, 
  March- 
  

   April, 
  1903, 
  D. 
  Griffiths 
  3649 
  (US). 
  

  

  Key 
  to 
  the 
  varieties 
  of 
  l^aplnus 
  Bparsiflorus 
  

  

  Leaflets 
  truncate 
  or 
  rounded 
  at 
  apex, 
  entire, 
  notched 
  emar- 
  

  

  ginate, 
  or 
  three-toothed. 
  

  

  Plants 
  branched 
  about 
  the 
  middle; 
  racemes 
  lax, 
  6-15 
  

   cm. 
  long. 
  

  

  Plants 
  branched 
  at 
  or 
  near 
  the 
  base; 
  racemes 
  compact, 
  

   2-8 
  cm. 
  long. 
  

  

  2/. 
  var. 
  inopinatus 
  

  

  Leaflet 
  

  

  2g. 
  var. 
  Pondit. 
  

  

  Largest 
  leaflets 
  6-12 
  mm. 
  wide; 
  stems 
  usually 
  stout, 
  

   4-10 
  mm. 
  thick 
  and 
  fistulose 
  or 
  succulent; 
  racemes 
  

   8-30 
  cm. 
  long, 
  petals 
  pale 
  lilac 
  or 
  violet. 
  

   Leaflets 
  mostly 
  six 
  to 
  nine, 
  broadest 
  near 
  the 
  apex. 
  

  

  2d, 
  var. 
  barbatulus 
  

  

  