﻿60 
  BOTA.XICAL 
  GAZETTE. 
  [ 
  ^rarch, 
  

  

  walled 
  cells, 
  elongated, 
  linear, 
  truncate 
  or 
  obtuse, 
  4-10 
  times 
  

   longer 
  than 
  broad 
  toward 
  the 
  costa, 
  the 
  others 
  irregular, 
  

   ovate, 
  roundish 
  or 
  subhex 
  agonal, 
  sometimes 
  slightly 
  papil- 
  

   lose. 
  Branch-leaves 
  shorter, 
  acute 
  or 
  obtuse. 
  Perichaetial 
  

   leaves 
  acuminate 
  to 
  a 
  reflexed 
  denticulate 
  point, 
  thin-nerved; 
  

   paraphyses 
  min^erous, 
  long. 
  Pedicel 
  purple, 
  smooth, 
  15-17 
  

   mm. 
  long. 
  Ct^psule 
  horizontal, 
  ovate, 
  curved, 
  1.50 
  mm, 
  long, 
  

  

  50- 
  

  

  Teeth 
  yellow, 
  acummate 
  

  

  densely 
  trabeculate 
  ; 
  segments 
  narrowly 
  split 
  ; 
  cilia 
  shorter 
  

   nodulose. 
  Male 
  flowers 
  unknown 
  

  

  Kootenai 
  county, 
  on 
  logs 
  (7", 
  B 
  

  

  Mr 
  

  

  M 
  

  

  urn, 
  IS 
  closely 
  allied 
  to 
  Plerogonhim 
  (Ilctcrocladiiim) 
  frocur- 
  

   rens 
  Mitt., 
  but 
  according 
  to 
  the 
  description 
  and 
  figures 
  given 
  

   by 
  Mr. 
  Mitten 
  in 
  Journ. 
  Linn. 
  Soc. 
  viii, 
  37 
  and 
  pi. 
  7, 
  this 
  

   last 
  species 
  is 
  a 
  more 
  robust 
  plant, 
  with 
  inequilateral 
  branch- 
  

   leaves, 
  the 
  pericha;tia) 
  leaves 
  only 
  patent 
  and 
  not 
  reflexed 
  at 
  

   their 
  pomt, 
  the 
  pedicel 
  longer 
  and 
  the 
  capsule 
  not 
  curved. 
  

   Ihese 
  two 
  species 
  constitute 
  in 
  the 
  genus 
  Heterocladium 
  a 
  

   section 
  which 
  we 
  name 
  Eurybrochis, 
  characterized 
  by 
  the 
  

   loose, 
  pellucid, 
  smooth 
  or 
  scarcely 
  papillose 
  areolation. 
  

  

  Brachytkedum 
  acwninaUm 
  (Beauv.) 
  var. 
  snbalMcanS. 
  

  

  l^acies 
  of 
  the 
  B, 
  albicans 
  (Neck.). 
  More 
  robust 
  than 
  the 
  

   type, 
  pale 
  yellow; 
  branches 
  silky, 
  julaceous 
  : 
  areolation 
  

   denser, 
  cells 
  narrower. 
  

  

  . 
  -Louisiana 
  : 
  Bayou 
  des 
  Cannes, 
  foot 
  of 
  trees 
  (A. 
  B 
  

   lots). 
  Florida 
  : 
  Enternrise 
  rT^/Z^/^^r^/z/^ 
  

  

  B 
  

  

  V 
  

  

  Brachjtheciam 
  Idal«'Bse.--Intricate-cespitose, 
  bright 
  green, 
  

   items 
  depressed, 
  creeping, 
  irregularly 
  pinnate; 
  branches 
  

   ascending 
  submcurved. 
  Leaves 
  crowded, 
  subsecund, 
  from 
  

   an 
  ovate 
  base 
  lanceolate, 
  long 
  acuminate, 
  plicate, 
  costate 
  to 
  

   above 
  the 
  middle, 
  i 
  mm. 
  long, 
  .35-.50 
  mm. 
  broad 
  ; 
  borders 
  

   denticulate 
  a 
  around 
  or 
  subeniire, 
  plane 
  or 
  more 
  or 
  less 
  

   revolute; 
  cells 
  hnear, 
  attenuated, 
  those 
  of 
  the 
  angles 
  sub- 
  

   quadrate, 
  numerous. 
  Perichaetial 
  leaves 
  rather 
  suddenly 
  

   acuminate 
  obsoletely 
  costate 
  or 
  subecostate. 
  Pedicel 
  pur- 
  

   pe 
  smooth, 
  10-17 
  mm. 
  long. 
  Capsule 
  horizontal, 
  ovate, 
  

   gibbous, 
  curved 
  1.50-2 
  mm. 
  long, 
  i 
  mm. 
  broad, 
  lid 
  obtusely 
  

  

  <:^rrr.,or,f 
  \^^^^' 
  /^^'^f.^^^te-acuminate, 
  densely 
  trabeculate 
  ; 
  

   segments 
  broadly 
  split 
  ; 
  cilia 
  long, 
  nodulose. 
  Monoicous. 
  

  

  rnrn^ 
  • 
  .^^l 
  ^^^^ 
  d'Oreille, 
  on 
  logs 
  {Leiberg 
  ; 
  kindl> 
  

   commumcated 
  by 
  Mr. 
  Ch. 
  R. 
  Barnes). 
  

  

  conic. 
  

  

  