﻿196 
  

  

  BOTA'XICA]. 
  GAZETTE. 
  

  

  [ 
  August, 
  

  

  base 
  without 
  librils 
  and 
  pores 
  or 
  with 
  delicate 
  incomplete 
  

   fibrils. 
  Perichaetial 
  leaves 
  large, 
  ovate, 
  the 
  edge 
  very 
  broadly 
  

   bordered 
  in 
  the 
  upper 
  part 
  and 
  emarginate 
  at 
  the 
  rounded 
  

  

  formed 
  entirely 
  of 
  long 
  rectangular 
  

  

  truncate 
  apex, 
  below 
  .^....^^ 
  ^..^..^.^y 
  wi 
  i^n^^ 
  n^^Laii^L^xcw 
  

   pitted 
  chlorophyllose 
  cells, 
  from 
  the 
  middle 
  upward 
  of 
  both 
  

   kinds 
  of 
  cells, 
  the 
  apex 
  of 
  small 
  green 
  cells 
  only. 
  Macro- 
  

   spores 
  yellow, 
  papillose, 
  0.025 
  to 
  0.031 
  mm.diam. 
  Fruit 
  very 
  

   common. 
  

  

  This 
  species 
  is 
  distinguished 
  

   ecially 
  dy 
  the 
  fccxiliar 
  gloss 
  of 
  t 
  

  

  m 
  

  

  S. 
  acutifolium, 
  

  

  Its 
  longer-pointed, 
  not 
  five- 
  

  

  ' 
  ■ 
  ' 
  stem 
  

  

  ine 
  516711 
  leaves, 
  zulucliare 
  mostlyiutthoid 
  fibrils 
  , 
  are 
  frotracicd 
  

   into 
  a 
  longer 
  or 
  shorter 
  foint, 
  and 
  have 
  their 
  hyaline 
  cells 
  

   many 
  times 
  divided; 
  from 
  the 
  larger, 
  stouter 
  forms 
  of 
  S. 
  

   quinquefarlum 
  it 
  recedes 
  b} 
  

  

  ranked 
  branch 
  leaves, 
  and 
  by 
  its 
  ditlerehtly 
  shaped 
  

   leaves. 
  By 
  the 
  way, 
  it 
  mav 
  here 
  be 
  mentioned 
  that 
  S. 
  

   qumquefarium 
  also 
  occasionally 
  shows 
  a 
  faint 
  lustre 
  in 
  the 
  

   branch 
  leaves. 
  Incompletely 
  developed 
  forms 
  may 
  easily 
  be 
  

   mistaken 
  for 
  S. 
  molle 
  Sulliv., 
  whose 
  stem 
  leaves, 
  with 
  re- 
  

   spect 
  to 
  then- 
  shape 
  and 
  their 
  narrow 
  border, 
  have 
  a 
  remote 
  

   resemblance 
  to 
  those 
  of 
  such 
  immature 
  forms. 
  In 
  this 
  case 
  

   the 
  distinctive 
  mark 
  is 
  the 
  distantly 
  toothed 
  margin 
  of 
  S. 
  

   moJJe 
  in 
  the 
  upper 
  half 
  of 
  the 
  branch 
  leaf, 
  which 
  occurs 
  in 
  

   no 
  other 
  species 
  of 
  this 
  group. 
  

  

  Var._/; 
  ^_^ 
  _, 
  vwx 
  

  

  Plants 
  very 
  stout, 
  in 
  iax"or 
  ' 
  (Tense, 
  

  

  No 
  

  

  ^1 
  ,, 
  .; 
  -> 
  --- 
  ""' 
  ... 
  ^^..^^, 
  rather 
  deep 
  tufts, 
  

  

  mostly 
  j-ellowish-brown 
  like 
  S. 
  fuscum. 
  Wood 
  cvlinder 
  

   blood-red 
  ; 
  superficial 
  cells 
  of 
  the 
  stem 
  cortex 
  with 
  single 
  

  

  art 
  

  

  pores 
  ; 
  stemjeaves 
  without 
  fibrils 
  or 
  in 
  the 
  upper 
  p 
  

   iibnllose. 
  Branch 
  leaves 
  large, 
  longish-ovate, 
  apex 
  broad- 
  

  

  Torfm 
  

  

  truncate 
  and 
  dentate, 
  shining 
  when 
  drv. 
  

  

  Mi 
  quel 
  on 
  Island 
  iDelam 
  

  

  Serie 
  I, 
  no. 
  77. 
  

  

  Samml. 
  Europ. 
  

  

  W 
  

  

  „rnoo 
  t 
  . 
  - 
  Plants 
  in 
  the 
  upper 
  part 
  gray 
  to 
  

  

  grass-green, 
  below 
  bleached 
  out 
  

  

  Mass., 
  Brookline, 
  75 
  feet 
  {Faxon). 
  

  

  . 
  obscurum 
  Warxst. 
  Plants 
  verv 
  stout, 
  in 
  high 
  loose 
  

   andn^la 
  i°V"u'^"PP^' 
  P'""t 
  "^ 
  mixture 
  of 
  grayish-green, 
  

   and 
  pale, 
  dirty 
  brown 
  ; 
  below, 
  brownish. 
  Ginenil 
  color 
  a 
  

  

  tufts. 
  

  

  dusky, 
  indefinite 
  brownish 
  green. 
  

  

  {F. 
  

  

  c. 
  Stem 
  leaves 
  from 
  a 
  narrower 
  base 
  widened 
  upward 
  to 
  the 
  middle 
  

   and 
  thence 
  produced 
  tea 
  longer 
  or 
  shorter 
  broadlv 
  truncate, 
  den- 
  

   tate 
  point; 
  border 
  narrow 
  and 
  of 
  nearly 
  equal 
  breadth 
  from 
  ape* 
  

  

  