﻿138 
  

  

  BOTANICAL 
  GAZETTE. 
  

  

  [June, 
  

  

  6. 
  5-. 
  

  

  Hi 
  

  

  Jahi 
  

  

  in 
  

  

  Sitzungsber. 
  der 
  Dorpater 
  

  

  Syn.: 
  S. 
  acutifolium,\aT. 
  gracile:Rnss. 
  Behr.-p 
  44 
  [1865) 
  

  

  ^. 
  acidiforme, 
  var. 
  fe^e^^^^m 
  Schlieph. 
  et 
  Warnst., 
  in 
  part', 
  Flora, 
  1884, 
  

  

  \ 
  acutifdmm, 
  var. 
  Gmefii 
  Schlieph. 
  in 
  Htt. 
  (1885). 
  

  

  S. 
  Wilsoni 
  EGll 
  var. 
  tenellum, 
  f. 
  purpurea 
  Flora, 
  1886. 
  

  

  r...Jr^^L'^''f^\ 
  ^°"^'^' 
  ""^ 
  g^-eater 
  or 
  less 
  extent, 
  concolor- 
  

   ous 
  light 
  to 
  dark 
  green 
  or 
  yellow-whitish, 
  reddish, 
  violet- 
  to 
  

  

  nnH 
  ,-^^'""P 
  r"^' 
  °' 
  ""^^^^ 
  variegated 
  by 
  a 
  mixture 
  of 
  green 
  

   TeuZt' 
  T 
  °J 
  ^ 
  yellowish 
  white 
  and 
  red. 
  Plants 
  usually 
  

   delicate, 
  slender 
  and 
  graceful, 
  at 
  the 
  same 
  time 
  firmly 
  erect, 
  

   eurr 
  T 
  ] 
  of 
  v/rious 
  forms 
  of 
  growth: 
  usually 
  brachy-, 
  

   ou 
  - 
  nn 
  1° 
  5'^°'''' 
  f 
  ^^^"^ 
  anocladous, 
  never 
  orthoclad- 
  

  

  roi 
  V""'^^^^ 
  ^""fy-^ 
  clrepano-, 
  catocladous, 
  seldom 
  squar- 
  

  

  Woo^ 
  Tf''' 
  '^'"^^^*' 
  ^-'S 
  cm. 
  long. 
  ^ 
  

  

  thickened 
  -n 
  ' 
  ii'^^" 
  ^^^'^loped, 
  constructed 
  of 
  much 
  

  

  CO 
  oriess 
  or 
  J 
  ' 
  "-T"^' 
  ^''^^^^^'^ 
  «'* 
  ^^^'^^^^t 
  to 
  dark 
  red, 
  seldom 
  

   ^i^uiuiiess 
  01 
  greenish. 
  

  

  innfr 
  Te]ir"'^f 
  ?-^ 
  V" 
  ^ 
  (^'^^y 
  rarely 
  5) 
  strata 
  of 
  cells 
  ; 
  the 
  

   P^ts 
  the 
  "' 
  t.r 
  '-I^^' 
  """"^^ 
  thickenid, 
  and 
  with 
  numerous 
  

   and 
  t 
  ei-e 
  ''' 
  P^^'^^' 
  ^'^O^ 
  '^^<-^^^' 
  ^vith 
  a 
  few 
  here 
  

  

  mostly 
  linguifoVm 
  A-om 
  X 
  r 
  '''^' 
  ^'^^ 
  '^, 
  ^'^^ 
  "^"^- 
  ^°"% 
  

   and 
  then 
  rntll^ 
  u 
  T 
  t^^ 
  ^'^^^ 
  ^^ery 
  gradually 
  narrowed 
  

  

  dentate 
  o^^tnr:'"^'^-'' 
  contracted 
  into 
  a 
  roundish-pointed 
  

   downward 
  as 
  ns'^"\'-/i' 
  "'^''^'°^^ 
  ^«'-^-- 
  -"^^ 
  widened 
  

  

  half 
  of 
  the 
  leaf 
  ri.; 
  K 
  ^°^'^"^-, 
  ^>"^1^"^ 
  ^^"^ 
  i" 
  ^^^^ 
  ^PP^^ 
  

   vided 
  sometir^f 
  • 
  ?"'^''' 
  ^° 
  elongate-rhombic, 
  mostly 
  di- 
  

   eted, 
  sometimes 
  into 
  3 
  or 
  4 
  daugluer-cells, 
  nonWillose, 
  

  

  a 
  tew_ 
  very 
  delicate 
  fibrils, 
  in 
  the 
  former 
  c-^ 
  

  

  ^1 
  nnifc? 
  

  

  or 
  

  

  not 
  rarely 
  with 
  

  

  with 
  longitudinal 
  pTdtr'^' 
  ""''"'" 
  '''^"^'^ 
  ^" 
  '^" 
  ^^''^^'^ 
  '^^'' 
  

  

  spre'lding!' 
  wt 
  '/f 
  ^t/° 
  ^ 
  '"^"^'^^' 
  ^^ 
  ^^^^^ 
  ^ 
  -' 
  ^ 
  ^7 
  

   thence 
  extend^•nt^,•^^'^^'''"^^ 
  ^^''^te 
  in 
  the 
  basal 
  half, 
  

   "late 
  3 
  to 
  ^tootlfeH't 
  ^"^°^^ti°^ 
  of 
  the 
  margins 
  into 
  a 
  sub- 
  

  

  regularh 
  five-^-tl 
  p 
  J'^"""'" 
  P°^^^ 
  ' 
  ^he 
  leaves 
  are 
  often 
  very 
  

   Dotnt^ 
  L.^l-'^'^^f'^^ 
  sometimes 
  secund. 
  n1wnv« 
  wiih 
  theii 
  

  

  points 
  diverjrinfr"'"^-^ 
  --.xicumes 
  secund, 
  alwavs 
  with 
  their 
  

   branches 
  like 
  thnl 
  /"". 
  ^ 
  ^^t^'^^' 
  ? 
  ^hose 
  of 
  "the 
  pendent 
  

   branches 
  narrowK 
  ' 
  . 
  ^^^ 
  ^P^^'^^ 
  ^^'^^^ 
  of 
  the 
  spreading 
  

  

  ^^-|f^f 
  ent 
  brancieTbrlS^T^Te!^^ 
  '"''' 
  '' 
  '" 
  ''" 
  

  

  spreadinffYranchp!"! 
  °V^'^. 
  ^^'''''^^ 
  ^f 
  the 
  basal 
  half 
  of 
  the 
  

  

  numeroul 
  pores 
  whirh^-^u^'^'^^ 
  ^" 
  ^^'^ 
  o^^ter 
  surface 
  ^yith 
  

  

  ternally 
  small 
  nearlv 
  . 
  ^^ 
  "PPer 
  half 
  of 
  the 
  leaf 
  are 
  ex- 
  

  

  ■ 
  ^ 
  ' 
  ""^^'^^ 
  ^ound 
  and 
  very 
  numerous 
  and 
  encir- 
  

  

  