﻿T. 
  Holm 
  — 
  Studies 
  in 
  the 
  CyperacecE. 
  437 
  

  

  number 
  of 
  varieties 
  of 
  C. 
  salina 
  are 
  represented, 
  and 
  

   a 
  comparison 
  of 
  these 
  with 
  a 
  number 
  of 
  Swedish, 
  and 
  

   some 
  few 
  North 
  American 
  specimens 
  may 
  be 
  drawn 
  up 
  

   as 
  follows 
  : 
  

  

  forma 
  1. 
  pumila 
  M. 
  N. 
  Blytt 
  (Fig. 
  5). 
  — 
  Rhizome 
  sto- 
  

   lonif 
  erous 
  ; 
  culms 
  very 
  short, 
  from 
  4 
  to 
  7 
  cm. 
  in 
  height, 
  

   sometimes 
  curved; 
  leaves 
  very 
  narrow, 
  longer 
  than 
  the 
  

   culms 
  ; 
  spikes 
  3 
  to 
  4, 
  the 
  terminal 
  staminate, 
  the 
  lateral 
  

   pistillate, 
  very 
  short, 
  sessile, 
  and 
  almost 
  contiguous, 
  

   subtended 
  by 
  leafy 
  bracts 
  overtopping 
  the 
  staminate 
  

   spike; 
  scales 
  obtuse, 
  dark 
  purple 
  or 
  brownish, 
  shorter 
  

   than 
  the 
  straw-colored 
  perigynium. 
  

  

  Russian 
  Lapland: 
  shores 
  of 
  the 
  arctic 
  sea; 
  Finmark. 
  

   Var. 
  p 
  pallida 
  M. 
  N. 
  Blytt. 
  — 
  Culm 
  sharply 
  triangular, 
  

   stiff, 
  erect, 
  about 
  30 
  cm. 
  high; 
  leaves 
  narrow, 
  but 
  flat, 
  

   longer 
  than 
  the 
  culm 
  ; 
  staminate 
  spikes 
  2 
  to 
  3 
  ; 
  pistillate 
  

   spikes 
  2 
  to 
  3, 
  dense-flowered, 
  androgynous, 
  c. 
  Sy 
  2 
  cm. 
  

   long, 
  contiguous, 
  erect, 
  the 
  lowest 
  pedunculate, 
  sub- 
  

   tended 
  by 
  leafy, 
  short 
  bracts, 
  scales 
  yellowish 
  brown, 
  

   mucronate, 
  longer 
  and 
  almost 
  as 
  broad 
  as 
  the 
  obovate, 
  

   pale 
  perigynium. 
  

  

  Norway: 
  Christiania: 
  Lian. 
  Var. 
  y 
  fuscescens 
  (M. 
  N. 
  

   Blytt). 
  — 
  Culm 
  tall, 
  about 
  75 
  cm. 
  high, 
  triangular; 
  leaves 
  

   broad, 
  flat, 
  about 
  as 
  Jong 
  as 
  the 
  culm; 
  spikes 
  7, 
  the 
  

   uppermost 
  3 
  staminate, 
  long 
  and 
  slender, 
  the 
  others 
  

   pistillate, 
  or 
  the 
  uppermost 
  androgynous, 
  remote, 
  about 
  

   6 
  cm. 
  long, 
  cylindric, 
  denseflowered, 
  all 
  pedunculate 
  and 
  

   somewhat 
  drooping; 
  bracts 
  foliaceous, 
  very 
  long; 
  scales 
  

   light 
  brown, 
  aristate, 
  longer, 
  but 
  narrower 
  than 
  the 
  

   straw-colored 
  perigynia. 
  

  

  Norway: 
  Christiania 
  and 
  Mandal. 
  Var. 
  8 
  obtusa 
  A. 
  

   Blytt). 
  12 
  This 
  peculiar 
  variety 
  was 
  discovered 
  by 
  A. 
  

   Blytt, 
  and 
  seems 
  to 
  be 
  very 
  rare. 
  Rhizome 
  stolonifer- 
  

   ous, 
  culms 
  erect, 
  smooth, 
  about 
  25 
  cm. 
  high; 
  leaves 
  flat, 
  

   much 
  longer 
  than 
  the 
  culms 
  ; 
  spikes 
  4 
  to 
  6, 
  the 
  terminal 
  

   and 
  uppermost 
  1-2 
  staminate, 
  linear, 
  the 
  others 
  pistillate, 
  

   pedunculate, 
  especially 
  the 
  basal, 
  erect 
  or 
  sometimes 
  

   drooping, 
  cylindric 
  and 
  denseflowered, 
  quite 
  thick; 
  

   bracts 
  foliaceous, 
  but 
  relatively 
  short, 
  the 
  basal 
  barely 
  

   reaching 
  the 
  terminal 
  spike 
  ; 
  scales 
  dark 
  colored, 
  almost 
  

   black, 
  ovate, 
  obtuse, 
  as 
  long 
  as 
  the 
  perigynia, 
  but 
  nar- 
  

   rower 
  than 
  these 
  ; 
  perigynia 
  green, 
  broadly 
  oval, 
  obtuse, 
  

  

  12 
  Blytt, 
  A.: 
  Botaniske 
  Observations 
  fra 
  Sogn. 
  (Nyt. 
  Mag. 
  f. 
  Naturv., 
  

   p. 
  81, 
  1869.) 
  

  

  