﻿440 
  T. 
  Holm 
  — 
  Studies 
  in 
  the 
  Cyperacece. 
  

  

  Of 
  these 
  hybrids 
  the 
  three 
  last 
  mentioned 
  were 
  collected 
  

   near 
  Gotheborg 
  by 
  Lindeberg. 
  

  

  Car 
  ex 
  subspathacea 
  Wormskj. 
  

  

  By 
  Drejer 
  (Revisio 
  critica 
  p. 
  34) 
  the 
  species 
  is 
  de- 
  

   scribed 
  as 
  follows 
  : 
  

  

  "Spica 
  mascula 
  1, 
  feniineis 
  2 
  breve 
  pedunculatis 
  erectis 
  

   oblongis, 
  bracteis 
  foliaceis 
  spathaceis 
  nervosis, 
  squamis 
  valide 
  

   trinerviis 
  basi 
  fructum 
  obvolventibus 
  mucronatis 
  perigynio 
  

   subelliptico 
  plano-convexo 
  brevioribus, 
  rostro 
  brevi 
  subemargi- 
  

   nato, 
  stigmatibus 
  2-3. 
  

  

  Sub 
  duplici 
  forma 
  imprimis 
  occurrit. 
  

  

  a 
  strict 
  a 
  (Figs. 
  7-8) 
  culmo 
  stricto 
  spicis 
  plurifloris. 
  

  

  Eadix 
  stolonifera 
  culmos 
  solitarios 
  fasciculosque 
  steriles 
  emit- 
  

   tens. 
  Culmus 
  erectus, 
  seinipedalis, 
  trigonus, 
  sulcatus, 
  laevis. 
  

   Folia 
  culmea 
  culmo 
  breviora 
  (summum 
  longius) 
  plaua, 
  striata, 
  

   apicem 
  versus 
  scabrata. 
  Spi.cae 
  3. 
  Bracteae 
  spicae 
  fern, 
  folia- 
  

   ceae, 
  ea 
  spicae 
  inferioris 
  spicas 
  femineas 
  superans 
  masculam 
  

   attiiigeiis 
  sed 
  ea 
  brevior, 
  spicam 
  suam 
  involvens, 
  apicem 
  versus 
  

   margiue 
  scabriuscula 
  ; 
  ea 
  spicae 
  fern, 
  superioris 
  spicam 
  superans. 
  

   Spicae 
  2 
  pedunculatae, 
  inferior 
  longius, 
  superior 
  brevius, 
  erectae, 
  

   oblongae. 
  Squamae 
  $ 
  subovatae 
  basi 
  marginibus 
  fructum 
  invol- 
  

   ventes, 
  dorso 
  nervis 
  tribus 
  validis 
  percursae, 
  obtusae, 
  mucronatae, 
  

   ferrugineae 
  dorso 
  late 
  viridiscentes 
  margine 
  hyalino 
  nullo, 
  peri- 
  

   gynio 
  breviores. 
  Perigynium 
  (immaturum) 
  obovatum 
  obsolete 
  

   nervatum 
  (?), 
  rostratum, 
  rostro 
  brevi 
  emarginato. 
  Spica 
  6 
  

   linearis, 
  squamis 
  imbricatis 
  apice 
  rotundatis 
  submucronatis, 
  

   caeterum 
  squamis 
  $ 
  similibus. 
  

  

  Haec 
  forma 
  C. 
  lividce 
  quodammodo 
  similis 
  est, 
  quae 
  tamen 
  

   abunde 
  differt 
  bracteis 
  vaginantibus, 
  non 
  spathaceis, 
  squamis 
  

   uninerviis 
  cet. 
  

  

  (3 
  cur 
  vat 
  a 
  (Fig. 
  6) 
  caule 
  humiliore 
  curvulo, 
  spicis 
  paucinoris, 
  

   squamis 
  perigynio 
  multo 
  brevioribus. 
  

  

  Specimina 
  hujus 
  formae 
  magis 
  adulta. 
  Eximie 
  stolonifera 
  est, 
  

   culmi 
  debiles 
  2-3 
  pollicares, 
  spicae 
  fern. 
  1-2 
  breve 
  pedunculatae, 
  

   approxiraatae 
  vel 
  subremotae, 
  ovato 
  — 
  oblongae 
  3-5 
  — 
  floras 
  ; 
  bracteae 
  

   longissimae 
  culmum 
  multo 
  superantes; 
  squamae 
  $ 
  perigynio 
  

   multo 
  breviores; 
  perigynium 
  (maturum) 
  subellipticum 
  plano- 
  

   convexum 
  prorsus 
  enerve, 
  rostro 
  brevi 
  subemarginato, 
  stylo 
  ex- 
  

   serto 
  apicato 
  ; 
  caryopsis 
  obovato-ovalis 
  oblique 
  trigona 
  basi 
  styli 
  

   apicata." 
  — 
  

  

  Widely 
  distributed 
  throughout 
  the 
  arctic 
  regions 
  of 
  

   both 
  worlds 
  and 
  f$ 
  cur 
  vat 
  a 
  is 
  circumpolar 
  ; 
  a 
  stricta 
  is 
  

   known 
  from 
  Greenland, 
  Alaska, 
  and 
  arctic 
  Norway. 
  

  

  y 
  nardi 
  folia 
  Fr. 
  — 
  Generally 
  a 
  little 
  taller, 
  with 
  the 
  

  

  