﻿A 
  FLORA 
  OF 
  ARKANSAS 
  TERRITORY. 
  199 
  

  

  album, 
  latiore 
  folio, 
  tetraphyllon, 
  ex 
  Terra 
  Mariana, 
  Pluken. 
  Mantis, 
  

   p. 
  16). 
  — 
  Hab. 
  Near 
  Belle 
  Point 
  Fort. 
  

  

  5. 
  A. 
  parvijlora, 
  Willd. 
  Sp. 
  PI. 
  1, 
  p. 
  1267 
  (Apocynum 
  petraeum 
  

   ramosum, 
  salicis 
  folio 
  venoso, 
  siliqua 
  medio 
  tumente, 
  Virginianum, 
  

   Phyt. 
  t. 
  261, 
  f. 
  3, 
  mala). 
  — 
  Hab. 
  Common 
  along 
  the 
  banks 
  of 
  the 
  

   Ohio 
  and 
  Mississippi. 
  

  

  6. 
  A. 
  verticillata, 
  Mich. 
  Flor. 
  Am. 
  1, 
  p. 
  116; 
  Icon. 
  Pluk. 
  Mant. 
  t. 
  

   336, 
  f. 
  4. 
  — 
  Hab. 
  Near 
  the 
  Cadron 
  settlement. 
  

  

  7. 
  A. 
  tuberosa, 
  Willd. 
  Sp. 
  PI. 
  1, 
  p. 
  1273 
  ; 
  Icon. 
  Dillen. 
  Hort. 
  Eltham. 
  

   t. 
  30, 
  f. 
  34. 
  — 
  Hab. 
  Common 
  both 
  in 
  the 
  prairies 
  of 
  the 
  Arkansas 
  and 
  

   Red 
  rivers. 
  Sometimes 
  nearly 
  scarlet. 
  

  

  *PoLYOTusf 
  (Acerates, 
  Elliott)4 
  Corolla 
  rotata 
  reflexa; 
  lepan- 
  

   thium 
  simplex, 
  quinquepartitum, 
  laciniae 
  ovatae 
  concavae 
  absque 
  

   corniculis 
  basi 
  inauriculatae. 
  Genitalia 
  Asclepiadis, 
  Gompholobio 
  

   affine, 
  habitu 
  et 
  fructificatione 
  Asclepias. 
  

  

  1. 
  P. 
  *heterophyllus 
  (Asclepias 
  viridiflora, 
  Pursh, 
  Flor. 
  Am. 
  1, 
  p. 
  

   181). 
  Villosus, 
  erectus, 
  foliis 
  oppositis 
  oblongo-ovatis 
  plerumque 
  acu- 
  

   tis, 
  umbellis 
  globosis 
  caulinis; 
  lepanthium 
  antheridio 
  subaequale. 
  

  

  Descript. 
  Root 
  perennial 
  ; 
  stem 
  herbaceous, 
  simple, 
  terete 
  ; 
  leaves 
  

   opposite, 
  very 
  shortly 
  petiolate 
  and 
  somewhat 
  rigid, 
  varying 
  in 
  figure 
  

   from 
  ovate 
  to 
  oblong 
  or 
  elliptic, 
  and 
  either 
  obtuse 
  or 
  acute, 
  sub- 
  

   hirsutely 
  villous, 
  a 
  little 
  scabrous 
  and 
  undulated 
  on 
  the 
  margin, 
  three 
  

   inches 
  long, 
  by 
  about 
  one 
  and 
  a 
  half 
  inches 
  broad, 
  reticulately 
  veined 
  

   and 
  pectinately 
  nerved, 
  the 
  nerves 
  confluent 
  below 
  the 
  margin 
  ; 
  urn- 
  

   bells 
  extra-axillary, 
  dense 
  and 
  globose 
  ; 
  bracts 
  subulate 
  ; 
  calix 
  segments 
  

   linear-lanceolate, 
  acute; 
  corolla 
  rigidly 
  reflected, 
  segments 
  oblong, 
  

   acute, 
  greenish; 
  lepanthium 
  (or 
  nectary, 
  L.) 
  5-parted, 
  segments 
  linear- 
  

   oblong, 
  nearly 
  equal 
  with 
  the 
  antheridium 
  (or 
  staminal 
  crown), 
  of 
  a 
  

   purplish 
  green 
  colour, 
  closely 
  appressed, 
  concave, 
  and 
  scarcely 
  auricu- 
  

   late 
  at 
  the 
  base, 
  devoid 
  of 
  awns, 
  originating 
  separately 
  from 
  the 
  base 
  

   of 
  the 
  antheridium 
  ; 
  fissures 
  of 
  the 
  antheridium 
  angularly 
  salient 
  near 
  

   the 
  summit; 
  cusps 
  small 
  and 
  membranaceous; 
  pollinia 
  (masses 
  of 
  pol- 
  

  

  t 
  From 
  ttoxus 
  many, 
  and 
  Ov 
  S 
  , 
  «>« 
  an 
  ear, 
  from 
  the 
  empty 
  and 
  auriculate 
  form 
  of 
  the 
  lepan- 
  

   thia 
  or 
  nectaries. 
  

  

  % 
  This 
  name 
  has 
  been 
  already 
  employed 
  for 
  another 
  genus. 
  

  

  