﻿Williams; 
  Calymperaceae 
  of 
  North 
  America 
  387 
  

  

  Calymperes 
  hexagomim 
  Besch. 
  Ann. 
  Scl. 
  Nat. 
  VIII. 
  i; 
  286. 
  1895. 
  

  

  Hookeri 
  

  

  1895- 
  

  

  Calymperes 
  panamae 
  Besch. 
  Ann. 
  Sci. 
  Nat. 
  VIII. 
  i: 
  298. 
  19815, 
  

  

  In 
  compact 
  cushions 
  with 
  sometimes 
  branching 
  stems 
  5-6 
  

   mm., 
  or 
  rarely 
  up 
  to 
  2 
  cm. 
  high; 
  leaves 
  strongly 
  incurved 
  or 
  crispate 
  

   when 
  dry, 
  the 
  lower 
  short, 
  ovate, 
  about 
  075 
  mm. 
  wide 
  by 
  1.5 
  mm. 
  

   Iong,the 
  upper 
  3-3.5 
  mm. 
  long, 
  from 
  a 
  variable 
  base, 
  sometimes 
  

   distinctly 
  ovate 
  or 
  obovate 
  and 
  considerably 
  wider 
  than 
  blade 
  

   above, 
  sometimes 
  scarcely 
  or 
  not 
  wider 
  than 
  above, 
  and 
  extending 
  

   into 
  a 
  broadly 
  acute 
  or 
  obtuse 
  point, 
  or 
  those 
  leaves 
  bearing 
  pro- 
  

   pagulae 
  narrowed 
  above 
  to 
  a 
  stout 
  point 
  without 
  distinct 
  blade 
  

   and 
  of 
  variable 
  length, 
  with 
  rounded 
  apex; 
  leaf-margin 
  entire 
  

   except 
  along 
  upper 
  part 
  of 
  clasping 
  base, 
  which 
  is 
  more 
  or 
  less 
  

   irregularly 
  serrulate; 
  costa 
  stout, 
  vanishing 
  just 
  below 
  apex, 
  

   rough 
  on 
  both 
  sides 
  above, 
  slightly 
  rough 
  or 
  smooth 
  below 
  the 
  

   middle 
  and 
  bearing 
  often 
  on 
  upper 
  side 
  at 
  apex 
  a 
  dense 
  cluster 
  of 
  

   narrowly 
  spindle-shaped 
  propagula, 
  up 
  to 
  250 
  /x 
  long 
  with 
  ten 
  to 
  

   fifteen 
  cross- 
  walls; 
  cells 
  of 
  upper 
  leaf 
  mamillose, 
  distinct, 
  mostly 
  

   roundish, 
  6-8 
  ju 
  in 
  diameter; 
  teniolae 
  two 
  or 
  three 
  cells 
  wide 
  and 
  

   one 
  to 
  five 
  cells 
  in 
  from 
  lower 
  margin, 
  extending 
  nearly 
  three 
  

   fourths 
  up 
  leaf 
  and 
  running 
  into 
  the 
  thickened 
  border 
  of 
  upper 
  

   leaf; 
  cancellinae 
  extending 
  one 
  third 
  to 
  one 
  fourth 
  up 
  leaf, 
  broad, 
  

   mostly 
  rounded 
  above; 
  perichaetial 
  leaves 
  much 
  like 
  stem-leaves 
  

   but 
  larger 
  below 
  with 
  cancellinae 
  extending 
  higher 
  up; 
  seta 
  erect, 
  

   about 
  3 
  mm. 
  long; 
  capsule 
  1.5 
  mm. 
  long, 
  elongate-oval, 
  smooth, 
  

   without 
  peristome; 
  lid 
  short-rostrate; 
  calyptra 
  persistent, 
  plicate, 
  

   rough 
  toward 
  apex, 
  clasping 
  the 
  seta 
  below 
  capsule 
  and 
  sph't 
  

   mostly 
  along 
  the 
  middle 
  on 
  one 
  side; 
  spores 
  rough, 
  up 
  to 
  35 
  ju 
  in 
  

   diameter. 
  (Fig. 
  iJ 
  

  

  Type 
  locality: 
  Guiana. 
  

  

  Distribution: 
  Florida, 
  Panama 
  and 
  the 
  West 
  Indies 
  to 
  Brazil. 
  

  

  2. 
  Calymperes 
  cubense 
  Williams, 
  sp. 
  nov. 
  

  

  Evidently 
  dioicous: 
  growing 
  in 
  compact 
  tufts 
  with 
  mostly 
  

   simple 
  stems 
  6-8 
  mm. 
  high; 
  stem-leaves 
  up 
  to 
  3 
  mm. 
  long, 
  from 
  a 
  

   white, 
  appressed, 
  more 
  or 
  less 
  obovate 
  or 
  obcuneate 
  .base 
  rather 
  

   gradually 
  or 
  somewhat 
  abruptly 
  narrowed 
  into 
  an 
  oblong-linear 
  

   to 
  lanceolate, 
  more 
  or 
  less 
  acute 
  point 
  from 
  shorter 
  to 
  about 
  one 
  

   and 
  one 
  half 
  times 
  longer 
  than 
  the 
  basal 
  part, 
  the 
  margins 
  ser- 
  

   rulate 
  nearly 
  all 
  round 
  and 
  the 
  point 
  more 
  or 
  less 
  crispate 
  when 
  

   dr>'; 
  costa 
  not 
  quite 
  percurrent, 
  very 
  rough 
  on 
  both 
  sides 
  to 
  near 
  

  

  the 
  base, 
  widest, 
  100 
  jj. 
  or 
  more, 
  about 
  half 
  way 
  up 
  and 
  tapering 
  

   to 
  a 
  base 
  about 
  one 
  half 
  as 
  wide, 
  in 
  cross-section 
  near 
  the 
  middle 
  

  

  