﻿ORCHIS 
  FAMILY 
  47 
  

  

  2. 
  I. 
  prismatica 
  Pursh. 
  SLENDER 
  BLUE 
  FLAG. 
  Rootstock 
  rather 
  

   slender, 
  with 
  tuber-like 
  thickened 
  portions. 
  Stem 
  slender, 
  cylin- 
  

   drical, 
  usually 
  unb 
  ranched, 
  1-3 
  ft. 
  high. 
  Leaves 
  2-3 
  in 
  number, 
  nar- 
  

   rowly 
  linear, 
  |-| 
  in. 
  wide. 
  Flowers 
  slender-peduncled, 
  solitary 
  or 
  in 
  

   twos, 
  blue 
  with 
  yellow 
  veins, 
  the 
  perianth 
  tube 
  beardless 
  and 
  crest- 
  

   less. 
  Ovary 
  3-angled 
  ; 
  capsule 
  sharply 
  3-angled. 
  Marshy 
  soil 
  near 
  

   the 
  coast. 
  

  

  3. 
  I. 
  fulva 
  Ker. 
  YELLOW 
  FLAG. 
  Rootstock 
  fleshy. 
  Stem 
  simple 
  

   or 
  branched, 
  grooved, 
  1-angled 
  below, 
  bearing 
  2-3 
  leaves, 
  2-3 
  ft. 
  

   high. 
  Leaves 
  linear, 
  sword-shaped, 
  with 
  a 
  bloom, 
  shorter 
  than 
  the 
  

   stem 
  ; 
  bracts 
  small. 
  Pedicels 
  short, 
  flowers 
  axillary 
  and 
  terminal, 
  

   dull 
  yellow 
  or 
  reddish-brown, 
  variegated 
  with 
  blue 
  and 
  green, 
  peri- 
  

   anth 
  segments 
  not 
  bearded. 
  Style 
  branches 
  but 
  little 
  exceeding 
  the 
  

   stamens 
  ; 
  ovary 
  about 
  as 
  long 
  as 
  the 
  inflated 
  perianth 
  tube 
  ; 
  capsule 
  

   ovate, 
  6-angled. 
  Swamps 
  and 
  wet 
  places.* 
  

  

  4. 
  I. 
  germanica 
  L. 
  FLEUR-DE-LIS. 
  Rootstock 
  thick, 
  matted. 
  Stem 
  

   stout, 
  branched, 
  leafy, 
  2-3 
  ft. 
  high. 
  Leaves 
  strap-shaped, 
  acute, 
  erect, 
  

   shorter 
  than 
  the 
  stem; 
  bracts 
  scarious. 
  Flowers 
  sessile, 
  large 
  and 
  

   showy, 
  blue 
  variegated 
  with 
  white 
  and 
  yellow, 
  sometimes 
  nearly 
  all 
  

   white 
  ; 
  outer 
  segments 
  large, 
  recurved, 
  bearded, 
  the 
  inner 
  narrower, 
  

   erect, 
  or 
  arched 
  inward. 
  Introduced 
  from 
  Europe 
  ; 
  common 
  in 
  gar- 
  

   dens 
  and 
  naturalized 
  in 
  many 
  places.* 
  

  

  HI. 
  SISYRHINCHIUM 
  L. 
  

  

  Small, 
  grass-like 
  perennials. 
  Stems 
  erect, 
  flattened, 
  or 
  

   winged. 
  Roots 
  fibrous. 
  Leaves 
  linear 
  or 
  lanceolate. 
  Flowers 
  

   small, 
  blue, 
  quickly 
  withering, 
  in 
  terminal 
  2-bracted 
  umbels. 
  

   Perianth 
  corolla-like, 
  of 
  6 
  bristle-pointed 
  segments 
  ; 
  tube 
  

   nearly 
  or 
  wholly 
  lacking. 
  Stamens 
  3, 
  completely 
  monadel- 
  

   phous. 
  Stigmas 
  3, 
  thread-like. 
  Fruit 
  a 
  nearly 
  globular, 
  

   3-angled 
  capsule. 
  Species 
  too 
  difficult 
  for 
  the 
  beginner 
  ; 
  all 
  

   commonly 
  known 
  as 
  Blue-Eyed 
  Grass. 
  

  

  13. 
  ORCHIDACE-ffi. 
  ORCHIS 
  FAMILY 
  

  

  Perennial 
  herbs 
  with 
  simple 
  stems, 
  often 
  arising 
  from 
  bulbs 
  

   or 
  tubers. 
  Leaves 
  simple, 
  usually 
  alternate 
  and 
  entire. 
  Flow- 
  

   ers 
  bisexual, 
  generally 
  showy, 
  epigynous, 
  zygomorphic, 
  and 
  

   often 
  of 
  extraordinary 
  shapes. 
  Perianth 
  of 
  6 
  divisions. 
  Sta- 
  

   mens 
  1 
  or 
  2, 
  united 
  with 
  the 
  pistil 
  j 
  pollen 
  of 
  comparatively 
  

  

  