﻿136 
  BOTANICAL 
  GAZETTE. 
  | 
  June, 
  

  

  Tufts 
  soft, 
  looser 
  and 
  taller 
  or 
  denser 
  and 
  shorter. 
  Color 
  

   quite 
  variable, 
  whitish, 
  yellowish, 
  green, 
  rose-red 
  or 
  violet. 
  

   Plants 
  generall}' 
  quite 
  slender 
  and 
  soft, 
  of 
  the 
  stature 
  of 
  S. 
  

   Warnstorfii 
  or 
  S. 
  fuscum. 
  

  

  Wood 
  cylinder 
  whitish 
  or 
  reddish 
  ; 
  pith-cells 
  thick- 
  

   walled. 
  

  

  Stem 
  leaves 
  larger 
  or 
  smaller, 
  linguiform, 
  usually 
  cucul- 
  

   late-incurved 
  at 
  the 
  apex 
  and 
  sometimes 
  at 
  the 
  sides, 
  and 
  

   atterward 
  by 
  spreading 
  out 
  flat 
  becoming 
  lacerate, 
  dentate 
  

   or 
  delicately 
  fimbriate; 
  the 
  broad 
  border 
  much 
  widened 
  

   downward 
  ; 
  the 
  margins 
  slightly 
  undulate. 
  Hyaline 
  cells 
  

   with 
  or 
  without 
  fibrils 
  in 
  the 
  upper 
  half 
  of 
  the 
  leaf, 
  two 
  to 
  

   four 
  times 
  (rarely 
  six 
  times) 
  divided 
  by 
  obliquelv 
  transverse 
  

   walls, 
  and 
  with 
  delicate 
  membrane-plaits. 
  

  

  Stem 
  cortex 
  formed 
  of 
  3 
  or 
  4 
  layers 
  of 
  thin-walled 
  cells 
  

   of 
  medium 
  width, 
  their 
  outer 
  walls 
  not 
  porose. 
  

  

  Fascicles 
  distant 
  or 
  approximate 
  consisting 
  of 
  3 
  or 
  4 
  

   branches, 
  of 
  which 
  the 
  two 
  stoutest 
  diverge 
  in 
  various 
  di- 
  

   rections 
  from 
  the 
  stem 
  and 
  are 
  variable 
  in 
  length. 
  Retort 
  

   cells 
  of 
  the 
  branch 
  cortex 
  with 
  distinctly 
  recurved 
  neck 
  and 
  

   with 
  an 
  aperture 
  at 
  the 
  apex. 
  Branch 
  leaves 
  loosely 
  or 
  

   densely 
  imbricated, 
  frequently 
  secund, 
  ovate 
  to 
  ovate-lance- 
  

   plate 
  and 
  small, 
  dentate 
  at 
  the 
  broad 
  rounded 
  apex, 
  edges 
  

   involute; 
  margin 
  bordered 
  by 
  2 
  or 
  3 
  rows 
  of 
  narrow 
  cells; 
  

   with 
  a 
  longitudinal 
  plait 
  in 
  the 
  middle 
  over 
  the 
  base, 
  and 
  the 
  

   membranes 
  of 
  the 
  hyaline 
  cells 
  witli 
  numerous 
  plaits. 
  The 
  

   apical 
  halt 
  of 
  the 
  inner 
  surface 
  of 
  the 
  leaf 
  with 
  numerous 
  

   small 
  pores, 
  especially 
  in 
  the 
  upper 
  and 
  lower 
  cell-angles, 
  

   and 
  larger 
  ones 
  in 
  the 
  broader 
  part 
  of 
  the 
  leaf, 
  especially 
  

   near 
  the 
  margins 
  ; 
  outer 
  surface 
  of 
  leaf 
  quite 
  covered 
  with 
  

   poies 
  which,_ 
  in 
  the 
  apex, 
  are 
  strongly 
  ringed 
  and 
  a 
  little 
  

   smaller 
  than 
  m 
  the 
  middle 
  of 
  the 
  leaf-fat 
  the 
  base 
  very 
  large 
  

   and 
  ringless, 
  singly 
  in 
  middle 
  of 
  the 
  cell-walls 
  -between 
  the 
  

   noli!' 
  "^'^;"/^^\e^ges 
  situated, 
  in 
  part, 
  opposite 
  the 
  inner 
  

   poies 
  and 
  thereby 
  producing 
  complete 
  perforations 
  of 
  the 
  

  

  Chlorophyllose 
  cells 
  in 
  cross-section 
  as 
  in 
  S. 
  fuscum. 
  ' 
  

   tli^rY^?/''T' 
  '"•'''^^^' 
  monoicous 
  ; 
  male 
  branches 
  in 
  the 
  an- 
  

   pSZn'''"''^ 
  P°^''^°^ 
  ''^'''^y' 
  P^^-Ple- 
  or 
  violet-red; 
  

  

  tkuh?e 
  r 
  ,. 
  irf 
  ^'''''' 
  ^^'^tracted 
  to 
  a 
  small, 
  rounded, 
  den- 
  

   pSres 
  'S 
  • 
  ^ 
  f- 
  ^^^T' 
  ' 
  ^^ 
  '^'^ 
  ^^'''^'- 
  P^^'-t 
  without 
  fibrils 
  and 
  

   h-acted 
  ,f 
  '"^^^^^^1 
  le^^-es 
  large, 
  ovate, 
  above 
  abruptly 
  con- 
  

   formed 
  Tn 
  H 
  'T''' 
  ''^"'^'" 
  emarginate 
  involute 
  point 
  ; 
  either 
  

   toimed 
  in 
  the 
  lower 
  part 
  of 
  pitted 
  chlorophyllose 
  cells 
  only, 
  

  

  