﻿192 
  COLLECTIONS 
  TOWARDS 
  

  

  calix; 
  calix 
  hirsute, 
  the 
  segments 
  linear; 
  corolla 
  pelviform-campanulate, 
  

   purplish 
  blue, 
  5-grooved, 
  the 
  grooves 
  naked 
  and 
  melliferous; 
  capsule 
  

   ovate 
  and 
  hirsute, 
  4 
  to 
  8-seeded 
  (the 
  germ 
  8 
  to 
  10-seeded), 
  

  

  2. 
  P. 
  * 
  glabra. 
  Erecta; 
  foliis 
  pinnatifidis, 
  superioribus 
  amplexi- 
  

   caulibus 
  ciliatis, 
  segmentis 
  integriusculis; 
  calix, 
  laciniis 
  ovatis; 
  corolla, 
  

   lobis 
  integris 
  nudis; 
  filamentis 
  basi 
  barbatis 
  Hab. 
  In 
  humid 
  and 
  ele- 
  

   vated 
  woods 
  on 
  the 
  margins 
  of 
  rivulets, 
  near 
  the 
  Dardanelle 
  settlement. 
  

   Arkansas 
  river. 
  Flowering 
  in 
  April. 
  — 
  Obs. 
  Very 
  similar 
  to 
  the 
  pre- 
  

   ceding; 
  growing, 
  however, 
  not 
  more 
  than 
  five 
  or 
  six 
  inches 
  high. 
  The 
  

   stem 
  terete 
  and 
  branched 
  from 
  the 
  base 
  ; 
  leaves 
  pinnatifid, 
  the 
  lower 
  

   ones 
  petiolate, 
  the 
  segments, 
  three 
  or 
  four 
  pair, 
  are 
  somewhat 
  incisely 
  

   toothed 
  and 
  obtuse; 
  the 
  upper 
  ones 
  amplexicaule, 
  pectinately 
  pinnatifid, 
  

   with 
  the 
  same 
  number 
  of 
  ciliately 
  acute 
  segments; 
  calix 
  subcampanu- 
  

   late, 
  the 
  segments 
  ovate 
  and 
  ciliate; 
  corolla 
  lilac 
  blue, 
  pelviform-cam- 
  

   panulate, 
  rather 
  large 
  and 
  externally 
  pilose, 
  semiquinquifid, 
  the 
  lobes 
  

   suboval; 
  ten 
  purplish 
  spots 
  at 
  the 
  base 
  of 
  the 
  corolla; 
  stamina 
  some- 
  

   what 
  exserted, 
  equal 
  with 
  the 
  corolla, 
  bearded 
  at 
  the 
  base; 
  anthers 
  

   blue; 
  style 
  filiform, 
  bifid; 
  capsule 
  smooth, 
  4 
  to 
  8-seeded. 
  

  

  Nemophila. 
  Calix 
  decemfidus, 
  laciniis 
  exterioribus 
  reflexis 
  ; 
  corolla 
  

   subcampanulata 
  quinquelobata, 
  lobis 
  emarginatis, 
  ad 
  basin 
  foveolis 
  mar- 
  

   ginatis 
  staminifcris 
  ; 
  stamina 
  brevia, 
  filamentis 
  nudis 
  ; 
  capsula 
  carnosa 
  

   uniloculars, 
  bivalvis; 
  semina 
  quatuor. 
  

  

  Herba 
  succulenta 
  annua, 
  caule 
  triquetro; 
  foliis 
  alternis 
  pinnatifidis; 
  

   pedunculi 
  longissimi 
  unifiori 
  oppositifolii 
  et 
  terminales, 
  subracemosi, 
  

   racemis 
  incurvis 
  fructibus 
  deflexis; 
  corolla 
  aestivatione 
  convoluta. 
  

   Hydrophyllo 
  affine. 
  

  

  N. 
  phacelioides. 
  Root 
  fibrous, 
  annual, 
  but 
  more 
  commonly 
  biennial 
  ; 
  

   stem 
  fragile, 
  smooth, 
  somewhat 
  tender 
  and 
  diaphanous, 
  plano-convex, 
  

   twelve 
  to 
  eighteen 
  inches 
  long, 
  branching 
  from 
  the 
  base 
  and 
  decumbent, 
  

   possessing 
  a 
  tenacious 
  and 
  elastic 
  centre 
  ; 
  leaves 
  alternate, 
  pinnatifid, 
  

   somewhat 
  succulent, 
  and 
  on 
  the 
  upper 
  surface 
  a 
  little 
  scabrous 
  ; 
  segments 
  

   five 
  or 
  six 
  pair, 
  subovate 
  or 
  lanceolate, 
  acute, 
  partly 
  falcate, 
  and 
  pre- 
  

   senting 
  a 
  few 
  incisions; 
  petiole 
  ciliated, 
  its 
  internal 
  base 
  lanuginous; 
  

   peduncles 
  1 
  -flowered, 
  terete, 
  very 
  long, 
  sometimes 
  near 
  a 
  span, 
  and 
  

   attenuated 
  towards 
  their 
  extremities, 
  at 
  first 
  remote 
  and 
  coming 
  out 
  

   opposite 
  the 
  leaves, 
  but 
  at 
  length, 
  as 
  the 
  period 
  of 
  inflorescence 
  advances, 
  

  

  