﻿43S 
  T. 
  Holm 
  — 
  Studies 
  in 
  the 
  Cyperacem. 
  

  

  faintly 
  nerved, 
  the 
  beak 
  very 
  short, 
  emarginate. 
  Read- 
  

   ily 
  distinguished 
  from 
  the 
  other 
  varieties 
  by 
  the 
  obtnse 
  

   scales, 
  of 
  which 
  the 
  midrib 
  contains 
  a 
  single 
  vein 
  instead 
  

   of 
  three, 
  and 
  by 
  the 
  very 
  broad 
  perigynia. 
  

  

  Norway 
  : 
  gravelly 
  seashore, 
  Midttunvaagen 
  near 
  Evin- 
  

   dvig, 
  associated 
  with 
  C. 
  maritima 
  and 
  various 
  forms 
  of 
  

   G. 
  salina. 
  

  

  ' 
  Var. 
  e 
  ccespitosa 
  A. 
  Blytt. 
  — 
  Caespitose 
  ; 
  culms 
  slender, 
  

   erect, 
  from 
  15 
  to 
  25 
  cm. 
  in 
  height; 
  leaves 
  flat, 
  broad, 
  

   longer 
  than 
  the 
  culm; 
  spikes 
  5 
  to 
  6, 
  the 
  terminal 
  and 
  

   uppermost 
  2 
  staminate, 
  the 
  others 
  pistillate, 
  erect, 
  con- 
  

   tiguous, 
  denseflowered, 
  short 
  peduncled; 
  bracts 
  folia- 
  

   ceous, 
  the 
  basal 
  overtopping 
  the 
  inflorescence; 
  scales 
  

   dark 
  colored, 
  mucronate, 
  longer, 
  but 
  narrower 
  than 
  the 
  

   pale 
  green 
  perigynium. 
  

  

  Norway: 
  Holmestrand; 
  Evindvig; 
  Christiania. 
  Var. 
  

   £ 
  Kattegatensis 
  Fries. 
  — 
  Stolonif 
  erous 
  ; 
  culms 
  erect, 
  20- 
  

   50 
  cm. 
  high 
  ; 
  leaves 
  deep 
  green, 
  flat 
  and 
  broad, 
  about 
  as 
  

   long 
  as 
  the 
  culm. 
  Spikes 
  long 
  and 
  slender; 
  13 
  the 
  ter- 
  

   minal, 
  and 
  sometimes 
  the 
  uppermost 
  1 
  or 
  2 
  lateral, 
  stami- 
  

   nate, 
  the 
  others, 
  2 
  to 
  4, 
  pistillate, 
  seldom 
  androgynous, 
  

   all 
  remote 
  and 
  borne 
  on 
  slender 
  peduncles, 
  erect 
  or 
  some- 
  

   what 
  drooping; 
  bracts 
  foliaceous, 
  as 
  long 
  as 
  the 
  inflor- 
  

   escence, 
  or 
  a 
  little 
  longer 
  ; 
  scales 
  varying 
  in 
  color 
  from 
  

   dark 
  brown 
  to 
  deep 
  purplish 
  with 
  a 
  usually 
  broad, 
  light 
  

   midrib, 
  extended 
  into 
  a 
  short 
  mucro 
  or 
  a 
  long 
  arista, 
  

   narrower, 
  but 
  much 
  longer 
  than 
  the 
  light 
  green 
  peri- 
  

   gynia. 
  

  

  This 
  variety 
  is 
  quite 
  frequent 
  along 
  the 
  coasts 
  of 
  Nor- 
  

   way, 
  Sweden 
  and 
  Finland, 
  and 
  has 
  also 
  been 
  found 
  in 
  

   Scotland; 
  in 
  North 
  America 
  it 
  has 
  been 
  found 
  in 
  the 
  

   northern 
  parts, 
  from 
  Labrador 
  to 
  Massachusetts, 
  besides 
  

   in 
  Alaska: 
  Tatiklak 
  and 
  KussilorT 
  ("Walter 
  H. 
  Evans). 
  — 
  ■ 
  

  

  While 
  the 
  Scandinavian 
  plant 
  is 
  extremely 
  variable, 
  

   occurring 
  in 
  a 
  number 
  of 
  forms 
  often 
  associated 
  with 
  

   each 
  other, 
  the 
  American 
  representative 
  is 
  also 
  quite 
  

   well 
  marked 
  in 
  this 
  respect. 
  In 
  specimens 
  from 
  New- 
  

  

  13 
  With 
  regard 
  to 
  the 
  number 
  of 
  staminate 
  and 
  pistillate 
  spikes 
  we 
  found 
  

   in 
  38 
  Scandinavian 
  specimens: 
  

  

  1 
  staminate 
  in 
  8 
  specimens 
  1 
  pistillate 
  in 
  7 
  specimens 
  

  

  2 
  " 
  "25 
  " 
  2 
  " 
  "14 
  " 
  

  

  3 
  " 
  " 
  4 
  " 
  3 
  " 
  " 
  13 
  " 
  

  

  ^ 
  ( 
  ( 
  ' 
  ' 
  ± 
  ' 
  ' 
  4 
  ( 
  ' 
  "4: 
  l 
  ' 
  

  

  38 
  specimens 
  38 
  specimens 
  

  

  