﻿252 
  BOTANICAL 
  GAZETTE. 
  [ 
  Octobcr, 
  

  

  dark 
  red; 
  stem 
  cortex 
  with 
  few 
  fibrils, 
  sometimes 
  almost 
  free 
  from 
  

   tiiem, 
  and 
  with 
  few 
  pores 
  in 
  the 
  external 
  walls. 
  Inner 
  walls 
  of 
  the 
  

   hyaline 
  cells, 
  so 
  far 
  as 
  they 
  are 
  united 
  to 
  the 
  green 
  cells, 
  smooth 
  

   or 
  papillose. 
  

  

  34. 
  S,. 
  medium 
  'Liy.ivK. 
  Bot. 
  Centralbl. 
  1881, 
  p. 
  313. 
  

  

  Syn.: 
  S. 
  cijmhifd'mm, 
  var. 
  congestum. 
  Schpr. 
  Entw.-Gesch. 
  d. 
  Torfm. 
  p. 
  

   69(1858). 
  

  

  S. 
  cymbifolium, 
  var. 
  purpura 
  scens 
  et 
  var. 
  compadum, 
  Russ. 
  Beitr. 
  p. 
  80 
  

   (1865). 
  

  

  S. 
  Andinum 
  Hampe 
  in 
  Ann. 
  Sc. 
  Ser. 
  5, 
  1866, 
  p. 
  334. 
  

  

  S. 
  arboreum 
  Schpr. 
  in 
  Herb. 
  Kew. 
  (Peru). 
  

  

  S. 
  ovatum 
  Schpr. 
  in 
  Herb. 
  Kew. 
  

  

  S. 
  crassum 
  C. 
  Miill. 
  in 
  Herb. 
  Rom. 
  

  

  S. 
  blcAjlor 
  Besch. 
  in 
  Bull, 
  de 
  la 
  Soc. 
  Bot. 
  de 
  France, 
  p. 
  Ixviii 
  (1855). 
  

  

  S. 
  cymhifdium, 
  var. 
  Bxradisi, 
  Besch. 
  in 
  Herb. 
  

  

  S. 
  enjthrocahjx 
  Hpe. 
  C. 
  Miill. 
  Synop. 
  I, 
  p. 
  92 
  (1849). 
  

  

  S. 
  Feruvidnum 
  Mitt, 
  in 
  Muse. 
  Austro-Amer. 
  p. 
  625 
  (1869). 
  

  

  5. 
  turswn 
  C. 
  Mull. 
  Flora 
  1887, 
  p. 
  410 
  (Brazil). 
  

  

  S. 
  Hahnianum 
  0. 
  Miill. 
  1889, 
  in 
  litt. 
  (Chili). 
  

  

  This 
  species 
  is 
  diffused 
  throughout 
  the 
  whole 
  of 
  America 
  

   from 
  Canada 
  to 
  Patagonia, 
  and 
  in 
  numerous 
  forms 
  which 
  

   have 
  given 
  rise 
  to 
  the 
  proposing 
  of 
  many 
  species. 
  It 
  seems, 
  

   therefore, 
  imperative 
  in 
  this 
  place 
  to 
  subjoin 
  a 
  full 
  descrip- 
  

   tion 
  of 
  S. 
  medium. 
  

  

  Dioicous; 
  male 
  branchlets 
  purple. 
  Size 
  and 
  Inibit 
  oj 
  

   b. 
  cymbifolium, 
  but 
  with 
  the 
  tufts 
  variegated, 
  dappled 
  win 
  

   green 
  and 
  red 
  to 
  violet-purple, 
  often 
  only 
  the 
  male 
  amentia 
  

   lamtly 
  sufilised 
  with 
  red; 
  rarely 
  pure 
  green 
  or 
  white- 
  

   i^ranches 
  not 
  more 
  than 
  four, 
  of 
  which 
  two 
  are 
  spreading- 
  

   strong 
  thick-fusiform, 
  horizontal 
  or 
  ascending, 
  often 
  curvej^ 
  

   obtuse, 
  more 
  mv^Kr 
  ci.^,-<- 
  ^^:„^„j 
  Wood 
  cylinder 
  /«?7'^, 
  

  

  Stei 
  cortex 
  mostlv 
  

  

  