﻿IRIS 
  FAMILY 
  45 
  

  

  1. 
  H. 
  hirsute 
  Coville. 
  STAR 
  GRASS. 
  Leaves 
  longer 
  than 
  the 
  scape, 
  

   both 
  sparsely 
  set 
  vath 
  long, 
  soft 
  hairs. 
  Scape 
  3-8 
  in. 
  high. 
  Flowers 
  

   1-4, 
  about 
  in. 
  across, 
  yellow. 
  Common 
  in 
  meadows 
  and 
  dry 
  woods. 
  

  

  12. 
  IRIDACE-E. 
  IRIS 
  FAMILY 
  

  

  Perennial 
  herbs 
  from 
  bulbs, 
  corms, 
  or 
  rootstocks. 
  Leaves 
  

   2-ranked, 
  equitant. 
  Flowers 
  bisexual, 
  often 
  actinomorphic, 
  

   each 
  subtended 
  by 
  two 
  bracts. 
  Perianth 
  6-parted, 
  the 
  seg- 
  

   ments 
  epigynous 
  in 
  2 
  series 
  of 
  3 
  each, 
  equal, 
  or 
  the 
  inner 
  

   ones 
  smaller. 
  Stamens 
  3, 
  distinct 
  or 
  united, 
  opposite 
  the 
  

   outer 
  segments. 
  Ovary 
  forming 
  a 
  3-celled, 
  3-angled, 
  3-valved, 
  

   many-seeded, 
  dehiscent 
  capsule.* 
  

  

  I. 
  CROCUS 
  L. 
  

  

  Leaves 
  springing 
  from 
  the 
  corm. 
  Flowers 
  sessile 
  on 
  the 
  

   corm. 
  Tube 
  of 
  the 
  perianth 
  very 
  long 
  and 
  slender, 
  its 
  divi- 
  

   sions 
  all 
  alike 
  or 
  nearly 
  so. 
  Stigmas 
  3-cleft. 
  

  

  1. 
  C. 
  vernus 
  All. 
  SPRING 
  CROCUS. 
  Leaves 
  linear. 
  Stigmas 
  short. 
  

   Flowers 
  white, 
  blue, 
  or 
  purple. 
  Our 
  earliest 
  garden 
  flower. 
  Culti- 
  

   vated 
  from 
  Europe. 
  

  

  ii. 
  mis 
  L. 
  

  

  Rootstock 
  thick, 
  creeping, 
  branching, 
  horizontal, 
  sometimes 
  

   tuberous. 
  Stems 
  erect, 
  simple 
  or 
  branched. 
  Leaves 
  linear 
  or 
  

   sword-shaped. 
  Flowers 
  showy, 
  the 
  outer 
  perianth 
  segments 
  

   spreading 
  or 
  recurved, 
  often 
  bearded 
  within, 
  the 
  inner 
  seg- 
  

   ments 
  usually 
  smaller 
  and 
  erect. 
  Stamens 
  inserted 
  in 
  the 
  base 
  

   of 
  the 
  outer 
  segments. 
  Style 
  deeply 
  3-parted 
  (Fig. 
  8), 
  the 
  

   divisions 
  broad 
  and 
  petal-like, 
  covering 
  the 
  stamens. 
  Fruit 
  an 
  

   oblong 
  or 
  oval, 
  3- 
  or 
  6-angled, 
  many-seeded 
  capsule 
  (Fig. 
  9).* 
  

  

  1. 
  I. 
  versicolor 
  L. 
  LARGE 
  BLUE 
  FLAG. 
  Rootstock 
  thick, 
  horizon- 
  

   tal. 
  Stem 
  cylindrical, 
  smooth, 
  simple 
  or 
  branched, 
  leafy, 
  2-3 
  ft. 
  high. 
  

   Leaves 
  linear, 
  sword-shaped, 
  finely 
  nerved, 
  with 
  a 
  bloom, 
  the 
  lower 
  

   l|-2 
  ft. 
  long, 
  the 
  upper 
  shorter. 
  Bracts 
  longer 
  than 
  the 
  pedicels. 
  

   Flowers 
  terminal, 
  single 
  or 
  few 
  together, 
  blue 
  variegated 
  with 
  white, 
  

   yellow, 
  and 
  purple 
  ; 
  perianth 
  segments 
  not 
  bearded, 
  the 
  inner 
  ones 
  

   smaller. 
  Ovary 
  3-angled, 
  longer 
  than 
  the 
  inflated 
  perianth 
  tube. 
  Cap- 
  

   sule 
  oblong, 
  slightly 
  lobed 
  ; 
  seeds 
  2 
  rows 
  in 
  each 
  cell. 
  In 
  wet 
  places.* 
  

  

  