﻿166 
  KEY 
  AND 
  FLORA 
  

  

  4. 
  B. 
  incarnata 
  L. 
  & 
  O. 
  Herbaceous 
  or 
  mainly 
  so, 
  rather 
  tall 
  

   (2-4 
  ft.), 
  stems 
  clustered, 
  slightly 
  reclining, 
  hairy 
  when 
  young, 
  at 
  

   length 
  smoother. 
  Leaves 
  broadly 
  and 
  very 
  unequally 
  ovate-lanceo- 
  

   late, 
  tapering 
  toward 
  the 
  tip 
  but 
  at 
  the 
  extremity 
  somewhat 
  blunt, 
  

   half 
  heart-shaped 
  at 
  the 
  base, 
  somewhat 
  lobed 
  and 
  sinuate-toothed, 
  

   rough-hairy 
  above 
  and 
  below 
  and 
  on 
  the 
  petioles, 
  dark 
  green 
  above 
  

   with 
  coppery 
  streaks 
  along 
  the 
  veins. 
  Flowers 
  on 
  short 
  peduncles, 
  

   few, 
  of 
  medium 
  size; 
  beautiful 
  rose-pink 
  in 
  the 
  bud, 
  becoming 
  almost 
  

   white 
  ; 
  thickly 
  covered 
  outside 
  with 
  soft, 
  moss-like 
  hairs. 
  Cultivated 
  

   from 
  Mexico. 
  [Often 
  called 
  B. 
  metallica.'] 
  

  

  5. 
  B. 
  semperflorens 
  L. 
  & 
  O. 
  Stems 
  smooth, 
  herbaceous, 
  rather 
  

   fleshy, 
  branching 
  near 
  the 
  ground 
  and 
  reclining. 
  Leaves 
  obtuse 
  or 
  

   nearly 
  so, 
  broadly 
  ovate, 
  somewhat 
  unevenly 
  heart-shaped 
  or 
  taper- 
  

   ing 
  at 
  the 
  base, 
  irregularly 
  serrate 
  or 
  scalloped 
  and 
  wavy, 
  smooth, 
  

   dark 
  green, 
  and 
  very 
  glossy 
  above 
  ; 
  stipules 
  rather 
  large, 
  nearly 
  ovate. 
  

   Flowers 
  in 
  small, 
  axillary 
  clusters 
  near 
  the 
  top 
  of 
  the 
  stem; 
  whitish 
  to 
  

   crimson, 
  about 
  1} 
  in. 
  in 
  diameter. 
  Ovary 
  in 
  fruit 
  very 
  broadly 
  winged. 
  

   An 
  easily 
  grown 
  but 
  homely 
  species. 
  Cultivated 
  from 
  S. 
  Brazil. 
  

  

  70. 
  CACTACE^E. 
  CACTUS 
  FAMILY 
  

  

  Plants 
  usually 
  with 
  very 
  fleshy 
  and 
  much 
  thickened, 
  often 
  

   globular 
  or 
  cylindrical, 
  stems. 
  Leaves 
  usually 
  wanting. 
  Flowers 
  

   sessile, 
  solitary, 
  often 
  very 
  showy. 
  Perianth 
  epigynous, 
  con- 
  

   sisting 
  of 
  several 
  rows 
  of 
  sepals 
  and 
  petals. 
  Stamens 
  many, 
  

   with 
  slender 
  filaments, 
  borne 
  on 
  the 
  inside 
  of 
  the 
  perianth 
  

   tube. 
  Style 
  1 
  ; 
  stigmas 
  numerous 
  ; 
  ovary 
  1-celled, 
  many- 
  

   ovuled. 
  Fruit 
  a 
  many-seeded 
  berry. 
  

  

  I. 
  OPUNTIA 
  L. 
  

  

  Stem 
  composed 
  of 
  a 
  series 
  of 
  flattened 
  joints, 
  which 
  are 
  

   usually 
  leafless 
  when 
  full 
  grown. 
  Leaves 
  very 
  small, 
  awl- 
  

   shaped, 
  spirally 
  arranged, 
  appearing 
  on 
  the 
  young 
  joints 
  but 
  

   soon 
  dropping 
  off, 
  with 
  barbed 
  bristles 
  and 
  sometimes 
  spines 
  

   in 
  their 
  axils. 
  Flowers 
  yellow. 
  Sepals 
  and 
  petals 
  not 
  much 
  

   united 
  into 
  a 
  tube. 
  Fruit 
  often 
  eatable. 
  

  

  1. 
  0. 
  vulgaris 
  Mill. 
  COMMON 
  PRICKLY 
  PEAR. 
  Prostrate 
  or 
  nearly 
  

   so, 
  pale 
  green. 
  Leaves 
  about 
  ,1 
  in. 
  long, 
  rather 
  scale-like; 
  bristles 
  

   many, 
  with 
  few 
  or 
  no 
  spines. 
  Flowers 
  2 
  in. 
  or 
  more 
  in 
  diameter, 
  

  

  