﻿198 
  KEY 
  AND 
  FLORA 
  

  

  Flowers 
  variously 
  clustered, 
  rarely 
  solitary, 
  often 
  large 
  and 
  

   showy. 
  Sepals 
  5. 
  Corolla 
  hypogynous, 
  regular, 
  tubular, 
  bell- 
  

   shaped 
  or 
  funnel-shaped 
  ; 
  its 
  limb 
  more 
  or 
  less 
  5-lobed 
  or 
  

   angled. 
  Stamens 
  5, 
  inserted 
  on 
  the 
  corolla 
  tube. 
  Ovary 
  usu- 
  

   ally 
  2-4-celled 
  ; 
  style 
  slender, 
  2-4-cleft 
  ; 
  ovules 
  1 
  or 
  2 
  in 
  each 
  

   cell. 
  Capsule 
  1-4-celled, 
  2-4-valved, 
  or 
  bursting 
  open 
  across 
  

  

  the 
  base. 
  

  

  I. 
  IMPOMCEA 
  L. 
  

  

  Annuals 
  or 
  perennials 
  ; 
  stems 
  often 
  twining. 
  Flowers 
  showy. 
  

   Calyx 
  not 
  bracted 
  at 
  the 
  base, 
  of 
  5 
  sepals. 
  Corolla 
  bell-shaped 
  

   or 
  funnel-shaped, 
  twisted 
  in 
  the 
  bud. 
  Stamens 
  not 
  projecting 
  

   from 
  the 
  corolla. 
  Style 
  slender 
  ; 
  stigma 
  knobbed, 
  2-lobed. 
  

   Fruit 
  a 
  2-3-celled 
  capsule. 
  [/. 
  purpurea, 
  the 
  common 
  morn- 
  

   ing-glory, 
  blossoms 
  too 
  late 
  for 
  school 
  study. 
  L 
  Batatas, 
  the 
  

   sweet 
  potato, 
  seldom 
  flowers.] 
  

  

  B. 
  Fl. 
  species 
  1 
  (Quamlocit). 
  

  

  1. 
  I. 
  Quamlocit 
  L. 
  CYPRESS 
  VINE. 
  Stem 
  slender, 
  smooth, 
  twin- 
  

   ing 
  high. 
  Leaves 
  dark 
  green, 
  pinnately 
  cut, 
  the 
  divisions 
  linear, 
  

   smooth. 
  Peduncles 
  slender, 
  as 
  long 
  as 
  the 
  leaves, 
  1-5-flowered; 
  

   pedicels 
  thickened 
  upward. 
  Sepals 
  ovate 
  or 
  oblong, 
  mucronate. 
  

   Corolla 
  bright 
  scarlet, 
  or 
  sometimes 
  yellowish-white, 
  salverform 
  ; 
  

   the 
  tube 
  1-14 
  m 
  - 
  l 
  n 
  > 
  the 
  limb 
  flat 
  and 
  spreading, 
  J 
  [. 
  in. 
  wide. 
  

   Capsule 
  ovoid, 
  twice 
  the 
  length 
  of 
  the 
  sepals. 
  Common 
  in 
  gardens.* 
  

  

  2. 
  I. 
  hederacea 
  Jucq. 
  WILD 
  MOKNING-GLORY. 
  Stems 
  hairy, 
  twin- 
  

   ing. 
  Leaves 
  heart-shaped, 
  3-lobed. 
  Peduncles 
  1-3-flowered. 
  Calyx 
  

   very 
  hairy 
  below. 
  Corolla 
  showy, 
  bluish-purple 
  or 
  white. 
  Pod 
  usu- 
  

   ally 
  3-celled, 
  with 
  2 
  seeds 
  in 
  each 
  cell. 
  A 
  weed 
  in 
  fields 
  and 
  about 
  

   dwellings. 
  Introduced 
  from 
  tropical 
  America. 
  

  

  3. 
  I. 
  pandurata 
  G. 
  F. 
  W. 
  Mey. 
  WILD 
  POTATO 
  VINE. 
  Perennial, 
  

   from 
  a 
  very 
  large, 
  tuberous 
  root; 
  stem 
  trailing 
  or 
  twining, 
  smooth 
  

   or 
  slightly 
  downy, 
  5-10 
  ft. 
  long. 
  Leaves 
  broadly 
  heart-shaped, 
  with 
  

   the 
  apex 
  slender 
  and 
  obtuse, 
  sometimes 
  fiddle-shaped 
  or 
  3-lobed; 
  

   petioles 
  slender. 
  Peduncles 
  longer 
  than 
  the 
  petioles, 
  1-5-flowered. 
  

   Sepals 
  oblong, 
  obtuse, 
  smooth, 
  mucronate, 
  the 
  2 
  outer 
  ones 
  shorter. 
  

   Corolla 
  white 
  with 
  a 
  purple 
  throat, 
  2-3 
  in. 
  wide, 
  lobes 
  pointed. 
  Cap- 
  

   sule 
  globose, 
  2-3-seeded, 
  the 
  seeds 
  woolly 
  on 
  the 
  angles. 
  On 
  dry 
  or 
  

   damp 
  sandy 
  soil, 
  along 
  fences, 
  railroad 
  embankments, 
  etc.; 
  common 
  

   S. 
  and 
  W-* 
  

  

  4. 
  I. 
  leptophylla 
  Torrey. 
  RUSH 
  MOKNING-GLORY. 
  Perennial. 
  

   Stems 
  smooth, 
  much 
  branched, 
  erect, 
  ascending 
  or 
  reclining, 
  2-4 
  ft. 
  

  

  