﻿A 
  FLORA 
  OF 
  ARKANSAS 
  TERRITORY. 
  191 
  

  

  HYDROPHYLLEAE. 
  

  

  1. 
  Elltsia 
  *mierocatyx. 
  Glabriuscula, 
  decumbens, 
  foliis 
  lyrato- 
  

   pinnatifidis 
  longe 
  pedunculatis, 
  laciniis 
  paucis 
  (3 
  — 
  5) 
  lateralibus 
  obli- 
  

   quis 
  inciso-dentatis 
  intermedio 
  trifido 
  obtuso; 
  floribus 
  solitariis 
  minutis. 
  

   (Hydrophyllum 
  pusillum, 
  Muhl. 
  Herb.) 
  — 
  Annual. 
  The 
  leaves 
  very 
  

   slightly 
  hairy, 
  upon 
  long 
  petioles, 
  in 
  three 
  to 
  five 
  divisions 
  ; 
  the 
  lateral 
  

   segments 
  half 
  reniform, 
  toothed, 
  the 
  terminal 
  division 
  nearly 
  entire, 
  

   but 
  trifid; 
  calix 
  minute; 
  corolla 
  very 
  small, 
  subcampanulate, 
  with 
  five 
  

   shallow 
  lobes. 
  — 
  Hab. 
  In 
  Arkansas, 
  Alabama, 
  &c. 
  

  

  2. 
  E. 
  *ranunculacea. 
  Subhirsuta, 
  caule 
  procumbente; 
  foliis 
  pin- 
  

   natifidis 
  subquinquelobatis, 
  superioribus 
  tripartitis, 
  inciso-dentatis 
  ob- 
  

   tusis 
  longe 
  petiolatis; 
  racemis 
  secundis 
  paucifloris. 
  — 
  Hab. 
  In 
  the 
  

   shady 
  humid 
  alluvial 
  forests 
  of 
  the 
  Arkansas, 
  frequent. 
  Flowering 
  in 
  

   March. 
  

  

  Descript. 
  Annual. 
  Stems 
  diffuse 
  and 
  procumbent, 
  about 
  a 
  span 
  in 
  

   length 
  ; 
  the 
  upper 
  leaves 
  3-parted, 
  the 
  lateral 
  segments 
  toothed 
  on 
  the 
  

   lower 
  side 
  (the 
  very 
  reverse 
  of 
  the 
  preceding 
  species), 
  the 
  central 
  seg- 
  

   ment 
  trifid 
  ; 
  racemes 
  5 
  to 
  10 
  ?-flowered 
  ; 
  flowers 
  upon 
  longish 
  pedicells; 
  

   corolla 
  pale 
  blue, 
  cylindric-campanulate, 
  naked, 
  segments 
  suboval 
  and 
  

   entire 
  ; 
  germ 
  hirsute. 
  — 
  Obs. 
  The 
  leaves, 
  which 
  are 
  much 
  less 
  com- 
  

   pound, 
  differently 
  formed, 
  and 
  furnished 
  with 
  conspicuous 
  petioles, 
  

   readily 
  distinguish 
  this 
  species 
  from 
  the 
  E. 
  ambigua. 
  

  

  Hydrophyllum 
  virginicum, 
  Willd. 
  Sp. 
  PI. 
  1, 
  p. 
  814; 
  Ph. 
  Flor. 
  

   Am. 
  1, 
  p. 
  134. 
  

  

  1. 
  Phacelia 
  *hirsuta. 
  Caule 
  erecto 
  ramoso; 
  foliis 
  pinnatifidis, 
  

   superioribus 
  sessilibus, 
  segmentis 
  integriusculis 
  ; 
  calix, 
  laciniis 
  linearibus 
  

   patentibus 
  ; 
  corolla, 
  lobis 
  integris 
  nudis 
  ; 
  filamentis 
  basi 
  barbatis. 
  — 
  Hab. 
  

   In 
  sylvan 
  prairies 
  ; 
  common 
  from 
  the 
  Cadron 
  to 
  the 
  garrison 
  at 
  Belle 
  

   Point, 
  Arkansas. 
  Flowering 
  in 
  April 
  and 
  May. 
  — 
  Obs. 
  Annual 
  and 
  

   perhaps 
  also 
  biennial. 
  The 
  whole 
  plant 
  hirsute 
  and 
  hairy; 
  stem 
  six 
  

   to 
  twelve 
  inches 
  high, 
  commonly 
  branching 
  from 
  the 
  base 
  ; 
  upper 
  leaves 
  

   not 
  amplexicaule, 
  but 
  closely 
  sessile, 
  pectinately-pinnatifid, 
  the 
  segments 
  

   of 
  the 
  lower 
  leaves 
  sparingly 
  toothed 
  and 
  obtuse, 
  those 
  of 
  the 
  upper 
  

   linear 
  and 
  entire; 
  spike 
  simple, 
  rarely 
  bifid; 
  pedicells 
  longer 
  than 
  the 
  

  

  