﻿44 
  

  

  BOTANICAL 
  GAZEiTE. 
  [ 
  February, 
  

  

  Bryum 
  flendersoni. 
  — 
  In 
  robust, 
  yellowish-green 
  tufts. 
  

  

  Stems 
  robust, 
  purple, 
  tomentose, 
  erect, 
  dichotomous, 
  2-4 
  cm. 
  

   long. 
  Lower 
  leaves 
  distant, 
  smaller, 
  then 
  becoming 
  gradu- 
  

   ally 
  larger, 
  upper 
  3-5 
  mm. 
  long, 
  1.50-2 
  mm. 
  broad, 
  crowded, 
  

   erecto-patulous 
  when 
  moist, 
  loosely 
  appressed 
  when 
  dry, 
  

   concave, 
  cucullate 
  at 
  apex, 
  broadly 
  obovate-lanceolate 
  or 
  ob- 
  

   long-subspatulate, 
  short 
  acuminate 
  and 
  reflexed-apiculate 
  

   by 
  the 
  excurrent 
  costa 
  ; 
  margins 
  narrowly 
  revolute, 
  but 
  flat 
  

   toward 
  the 
  point, 
  strongly 
  serrate 
  above 
  ; 
  cells 
  rectangu- 
  

   lar 
  at 
  base, 
  the 
  lower 
  reddish, 
  oblong-hexagonal 
  in 
  the 
  

  

  middle, 
  ovate-hexagonal 
  or 
  rhomboidal 
  in 
  the 
  upper 
  part, 
  the 
  

   marginal 
  elongated, 
  linear-flexuose 
  and 
  forming 
  a 
  more 
  or 
  

   less 
  distinct 
  border, 
  generally 
  denticulate 
  above 
  on 
  the 
  back 
  

   by 
  the 
  prominence 
  of 
  the 
  cell-apices. 
  Pedicel 
  reddish, 
  3-4 
  

   crn. 
  long. 
  Capsule 
  inclined 
  or 
  pendulous, 
  narrowly 
  cylin- 
  

   drical, 
  incurved, 
  constricted 
  below 
  the 
  mouth 
  and 
  tapering 
  

   to 
  a 
  long 
  attenuate 
  neck 
  ; 
  lid 
  convex 
  or 
  subconic, 
  apicu- 
  

   late, 
  teeth 
  yellow, 
  densely 
  trabeculate 
  ; 
  segments 
  split; 
  cilia 
  

   i-3> 
  appendiculate. 
  Annulus 
  very 
  broad, 
  of 
  3-4 
  rows 
  of 
  cells. 
  

   Seems 
  to 
  be 
  dioecious. 
  Male 
  flowers 
  unknown. 
  

  

  Oregon: 
  Portland, 
  moist 
  sunny 
  bluffs 
  (Z. 
  F. 
  Hendcr- 
  

   son). 
  California 
  {Mrs. 
  Ames). 
  

  

  Closely 
  allied 
  to 
  B. 
  frovindale 
  Philib., 
  of 
  which 
  it 
  is 
  per- 
  

   haps 
  a 
  subspecies, 
  but 
  differing 
  in 
  the 
  larger 
  size, 
  the 
  leaves 
  

   more 
  concave, 
  cucullate 
  at 
  apex, 
  with 
  a 
  reflexed 
  apiculus, 
  the 
  

   margms 
  more 
  strongly 
  serrate 
  above, 
  with 
  a 
  border 
  gen- 
  

   erally 
  denticulate 
  on 
  the 
  back, 
  and 
  the 
  longer, 
  narrower 
  cap- 
  

   sule 
  on 
  a 
  longer 
  pedicel. 
  

  

  Monaco 
  and 
  Sienay, 
  France. 
  

  

  Explanation 
  of 
  Plates 
  v, 
  vi, 
  vii.— 
  Nearly 
  all 
  the 
  figures 
  drawn 
  by 
  

  

  means 
  of 
  Nachet's 
  camera 
  lucida 
  : 
  

  

  Plate 
  v. 
  

  

  basal 
  

  

  /, 
  peri 
  

  

  leaf 
  ; 
  g, 
  capsule 
  wilh 
  the 
  lid 
  ; 
  h, 
  the 
  same 
  deoperculate.— 
  B. 
  Dieranum 
  

   comobrinum. 
  a, 
  entire 
  plant; 
  h, 
  upper 
  part 
  of 
  the 
  perich^tium 
  ; 
  c, 
  c, 
  point 
  

   of 
  perichselial 
  bracts 
  ; 
  d, 
  capsule.— 
  C. 
  Didymodon 
  Henderscmi. 
  a, 
  entire 
  

   plant; 
  6, 
  lower 
  leaf 
  ; 
  c, 
  c, 
  upper 
  leaves; 
  d, 
  d, 
  d, 
  point 
  of 
  the 
  same 
  ; 
  e, 
  basal 
  

   areolation, 
  on 
  the 
  margin;/, 
  areolation 
  of 
  the 
  upper 
  part; 
  ff, 
  uerichsetial 
  

   bract 
  ; 
  h, 
  capsule 
  ; 
  i, 
  areolation 
  of 
  the 
  capsular 
  membrane 
  ; 
  » 
  *, 
  i 
  *, 
  ditto 
  

   of 
  D. 
  luridus. 
  

  

  Plate 
  VI.— 
  A. 
  Gnmmia 
  tenerrima. 
  a, 
  entire 
  plant; 
  6, 
  6, 
  lower 
  leaves; 
  

   e, 
  upper 
  leaf; 
  d, 
  basal 
  areolation; 
  e, 
  areolation 
  of 
  the 
  upper 
  part: 
  e*, 
  ditto 
  

  

  fJ: 
  

  

  Coscinodon 
  

  

  