﻿1^9^- 
  J 
  BOTANICAL 
  GAZETTE. 
  

  

  i33 
  

  

  very 
  slighf 
  admixture 
  of 
  red. 
  Those 
  forms 
  that 
  show 
  a 
  

   greater 
  proportion 
  of 
  red, 
  but 
  whose 
  green 
  perfectly 
  agrees 
  

   with 
  that 
  of 
  Girgensohnioides, 
  Russow 
  has 
  united 
  in 
  the 
  sub- 
  

   var. 
  intermedium. 
  

  

  N. 
  Hampshire, 
  Mt. 
  Washington, 
  4,000-5,000 
  ft., 
  Mt. 
  La- 
  

   fayette, 
  4,000 
  ft., 
  Franconia, 
  1,300 
  ft. 
  ; 
  Vermont, 
  Westmore 
  

   (in 
  fruit), 
  1,100 
  ft. 
  {Faxon). 
  

  

  Var. 
  obscnrnm 
  Russ. 
  in 
  IHt. 
  (1887) 
  as 
  sub-var. 
  

  

  In 
  the 
  forms 
  belonging 
  here 
  the 
  tints 
  are 
  always 
  smirched 
  ; 
  

   the 
  plants 
  exhibit 
  a 
  clouded 
  coloration 
  which 
  is 
  produced 
  by 
  

   a 
  mixture 
  of 
  dark 
  dirty 
  violet, 
  brown 
  and 
  gray. 
  

  

  N. 
  Hampshire, 
  Mt. 
  Washington, 
  5,000 
  ft., 
  Mt. 
  Willey, 
  

   2,500 
  ft. 
  {Faxon). 
  

  

  /?. 
  Stem 
  leaves 
  smaller,linguiform,deIicately 
  fringed 
  at 
  the 
  round- 
  

   ed 
  apex, 
  or 
  abruptly' 
  contracted 
  to 
  a 
  small 
  .cucuUate 
  point, 
  

   nearly 
  always 
  without 
  fibrils 
  and 
  pores. 
  Superficial 
  cells 
  of 
  the 
  

   stem 
  cuticle 
  without 
  pores; 
  wood 
  cylinder 
  always 
  reddish 
  

   brown, 
  as 
  is 
  frequently 
  the 
  whole 
  plant 
  ; 
  dioicous 
  ; 
  $ 
  br.nnches 
  

  

  brownish. 
  

  

  4. 
  S.fiiscuni 
  (ScHPR.) 
  VON 
  Klinggraeff. 
  Beschr. 
  d. 
  i. 
  

   Preussen 
  gef. 
  Arten 
  u. 
  Varr. 
  d. 
  Gatt. 
  Snhafrnum 
  fSchrft. 
  d. 
  

  

  Syn.: 
  8. 
  amtifolium, 
  var. 
  fuscum 
  Schpr. 
  Entw.-Gesch. 
  d. 
  Torfm. 
  p. 
  57, 
  t 
  

   13, 
  fig. 
  E 
  (1858). 
  

  

  5. 
  acutifoliuni, 
  y 
  sly. 
  fuscum 
  (Schpr.) 
  Schlieph. 
  et 
  Warnst. 
  Flora, 
  1884. 
  

  

  In 
  extensive, 
  dense 
  or 
  loose, 
  often 
  cushion-shaped 
  patches. 
  

   Color 
  usually 
  a 
  peculiar 
  grayish 
  green 
  intermixed 
  with 
  

   brown 
  or 
  reddish 
  brown, 
  moVe 
  rarely 
  whitish 
  or 
  green. 
  

   Stem 
  taller 
  or 
  shorter, 
  according 
  to 
  the 
  station, 
  usually 
  slen- 
  

   der 
  and 
  delicate 
  like 
  S. 
  tenellum 
  and 
  S. 
  Warnstorfii. 
  

  

  Wood 
  cylinder 
  always 
  reddish 
  brown, 
  with 
  very 
  thick- 
  

   walled 
  pith-cells. 
  

  

  Stem 
  cortex 
  variably 
  formed 
  of 
  3-4, 
  rarely 
  to 
  5, 
  strata 
  

   of 
  thin-walled 
  cells 
  of 
  medium 
  width 
  ; 
  superficial 
  cells 
  not 
  

   perorated 
  on 
  the 
  outside 
  ; 
  inner 
  cells 
  with 
  small 
  pores. 
  

  

  Stem 
  leaves 
  usualh'^ 
  small, 
  linguiform 
  ; 
  often 
  at 
  the 
  

   rounded 
  apex 
  abruptly 
  contracted 
  to 
  a 
  small 
  cucullate 
  point, 
  

   which 
  is 
  generally 
  somewhat 
  fimbriate; 
  the 
  broad 
  border 
  

   niuch 
  w^idened 
  downward. 
  Hyaline 
  cells 
  nearly 
  always 
  

   without 
  fibrils 
  and 
  pores 
  ; 
  ' 
  verv 
  rarely 
  with 
  rudimentary 
  

   nbnis 
  below 
  the 
  apex 
  ; 
  2 
  to 
  4 
  times 
  divided 
  by 
  obliquely 
  

   transverse 
  walls, 
  and 
  with 
  delicate 
  longitudinal 
  plaits 
  in 
  the 
  

   "lembrane 
  ; 
  basal 
  cells 
  saccately 
  dilated 
  downward. 
  

  

  