﻿194 
  KEY 
  AND 
  FLORA 
  

  

  Corolla 
  bell-shaped, 
  5-lobed, 
  with 
  a 
  small, 
  scale-like 
  appendage 
  

   at 
  the 
  base 
  of 
  each 
  lobe. 
  Stamens 
  5, 
  distinct, 
  inserted 
  on 
  the 
  

   base 
  of 
  the 
  corolla 
  tube. 
  Ovaries 
  2, 
  distinct, 
  united 
  by 
  the 
  

   styles 
  ; 
  stigma 
  obtuse, 
  2-lobed. 
  Pods 
  long, 
  slender, 
  many- 
  

   seeded; 
  seeds 
  with 
  a 
  tuft 
  of 
  hairs.* 
  

  

  1. 
  A. 
  androsaemifolium 
  L. 
  DOGBANE. 
  Plant 
  2-3 
  ft. 
  high, 
  usually 
  

   smooth, 
  purplish, 
  the 
  branches 
  spreading 
  and 
  forking. 
  Leaves 
  2-3 
  

   in. 
  long, 
  acute, 
  mucronate 
  ; 
  petioles 
  about 
  \ 
  in. 
  long. 
  Cymes 
  mostly 
  

   terminal, 
  few-flowered. 
  Calyx 
  teeth 
  lance-ovate, 
  about 
  half 
  as 
  long 
  

   as 
  the 
  corolla 
  tube. 
  Corolla 
  pale 
  red 
  or 
  whitish, 
  its 
  lobes 
  recurved. 
  

   Pods 
  stouter 
  than 
  in 
  Xo. 
  2. 
  Roadsides 
  and 
  clearings; 
  common. 
  

  

  2. 
  A. 
  cannabinum 
  L. 
  INDIAN 
  HEMP. 
  Stem 
  erect, 
  smooth, 
  with 
  

   numerous 
  erect 
  or 
  ascending 
  branches. 
  Leaves 
  oval 
  to 
  oblong, 
  

   mucronate 
  at 
  the 
  apex, 
  rounded 
  at 
  the 
  base, 
  downy 
  beneath, 
  

   short-petioled. 
  Cymes 
  terminal, 
  compact, 
  shorter 
  than 
  the 
  leaves. 
  

   Flowers 
  are 
  on 
  short, 
  bracted 
  pedicels, 
  greenish-white, 
  about 
  \ 
  in. 
  

   broad. 
  Calyx 
  lobes 
  lanceolate, 
  nearly 
  as 
  long 
  as 
  the 
  tube 
  of 
  the 
  

   corolla. 
  Corolla 
  lobes 
  erect. 
  Pods 
  very 
  slender, 
  tapering, 
  3-4 
  in. 
  

   long. 
  Along 
  fences 
  and 
  in 
  thickets.* 
  

  

  IV. 
  NERIUM 
  L. 
  

  

  Shrubs. 
  Leaves 
  mostly 
  whorled 
  in 
  threes. 
  Flowers 
  in 
  termi- 
  

   nal 
  cymes. 
  Calyx 
  small, 
  lobes 
  acute. 
  Corolla 
  salverform, 
  the 
  

   throat 
  of 
  the 
  tube 
  crowned 
  with 
  cleft 
  or 
  cut-fringed 
  scales. 
  

   Stamens 
  5, 
  short, 
  included 
  ; 
  anthers 
  tipped 
  with 
  a 
  hairy 
  

   bristle. 
  Ovary 
  of 
  2 
  carpels; 
  style 
  short. 
  Pods 
  erect; 
  seeds 
  

   with 
  a 
  tuft 
  of 
  hairs.* 
  

  

  1. 
  N. 
  Oleander 
  L. 
  OLEANDER. 
  Stem 
  erect, 
  diffusely 
  branched 
  

   from 
  below, 
  4-10 
  ft. 
  high. 
  Leaves 
  narrowly 
  elliptical, 
  acute 
  at 
  each 
  

   end, 
  thick 
  and 
  leathery, 
  short-petioled. 
  Flowers 
  showy, 
  in 
  large 
  

   clusters, 
  red 
  or 
  white, 
  often 
  double; 
  scales 
  of 
  the 
  crown 
  3-4-pointed 
  

   iini'(|iial 
  teeth. 
  Pods 
  spindle-shaped, 
  3-4 
  in. 
  long. 
  Introduced 
  from 
  

   Palestine. 
  Common 
  in 
  cultivation.* 
  

  

  82. 
  ASCLEPIADACEJE. 
  MILKWEED 
  FAMILY 
  

  

  Shrubs 
  or 
  herbs, 
  often 
  twining; 
  juice 
  usually 
  milky. 
  

   Leaves 
  generally 
  opposite 
  or 
  whorled, 
  entire, 
  without 
  stipules. 
  

   Flowers 
  regular. 
  Calyx 
  5-parted. 
  Corolla 
  5-parted. 
  Stamens 
  

   5 
  ; 
  the 
  filaments 
  usually 
  united 
  around 
  the 
  styles, 
  often 
  with 
  

  

  