﻿372 
  Williams: 
  Calymperaceae 
  of 
  North 
  America 
  

  

  triangul 
  

  

  two 
  

  

  cells 
  of 
  upper 
  blade 
  distinct, 
  mostly 
  somewhat 
  angular, 
  scarcely 
  

   elongate, 
  5-7 
  fx 
  in 
  diameter; 
  cancellinae 
  extending 
  up 
  about 
  i 
  mm. 
  

   from 
  base, 
  mostly 
  rounded, 
  sometimes 
  acutely 
  angular 
  at 
  apex; 
  

   perichaetial 
  leaves 
  scarcely 
  diflfering 
  from 
  those 
  of 
  upper 
  stem; 
  

   pedicel 
  erect, 
  7-8 
  mm. 
  long; 
  capsule 
  ovate-cylindric, 
  about 
  1.75 
  

   mm. 
  long, 
  the 
  flattish 
  lid 
  with 
  acicular 
  beak 
  rather 
  shorter; 
  peri- 
  

   stome-teeth 
  attached 
  well 
  below 
  the 
  mouth, 
  somewhat 
  irregular, 
  

  

  short-lanceolate, 
  pale, 
  

  

  50-60 
  AC, 
  with 
  

  

  five 
  or 
  six 
  articulations; 
  spores 
  rough, 
  about 
  16 
  /z 
  in 
  diameter; 
  

   calyptra 
  slightly 
  rough 
  above. 
  [Fig. 
  3.] 
  

  

  Type 
  locality; 
  Florida. 
  

  

  Distribution: 
  Florida, 
  Alabama, 
  Georgia 
  and 
  Bermuda. 
  

   ■ 
  - 
  Illustration: 
  Sull. 
  Icon. 
  Muse. 
  pi. 
  31. 
  

  

  This 
  is 
  very 
  close 
  to 
  the 
  next 
  species, 
  but 
  the 
  costa 
  is 
  usually 
  

   much 
  rougher 
  on 
  the 
  back, 
  and 
  the 
  cells 
  of 
  the 
  upper 
  part 
  of 
  the 
  

   leaf 
  are 
  less 
  inclined 
  to 
  be 
  slightly 
  elongate. 
  

  

  RRHOPODON 
  

  

  1824 
  

  

  ipodon 
  Hobsoni 
  Hook. 
  & 
  Grev. 
  in 
  Brewster, 
  Edin. 
  J 
  

  

  1824. 
  

  

  pletiis 
  

  

  Hobsoni 
  

  

  1827. 
  

  

  1825. 
  

  

  Mull. 
  Linnaea 
  38: 
  633. 
  1874. 
  

  

  Jldes 
  C. 
  Miill. 
  Nuovn 
  Ginrn. 
  f 
  

  

  4:48. 
  1897. 
  

  

  Syrrhopodon 
  decolorans 
  C. 
  Miill. 
  Bull. 
  Herb. 
  Bolss. 
  5: 
  188. 
  1897. 
  

  

  ax 
  

  

  the 
  inner 
  perigonial 
  leaves 
  short, 
  broadly 
  ovate, 
  acutish, 
  costate, 
  

   minutely 
  serrulate, 
  nearly 
  or 
  quite 
  without 
  green 
  point, 
  enclosing 
  

   numerous 
  antheridia 
  and 
  paraphyses 
  a 
  little 
  over 
  0.5 
  mm. 
  long: 
  

   in 
  extensive, 
  brownish 
  green 
  mats 
  with 
  more 
  or 
  less 
  curved 
  and 
  

   branching 
  stems 
  1-5 
  cm. 
  long; 
  stem-leaves 
  4-5 
  mm. 
  long, 
  from 
  a 
  

   rather 
  broad, 
  ovate 
  or 
  obovate 
  base 
  serrulate 
  on 
  margins 
  above, 
  

   abruptly 
  narrowed 
  to 
  a 
  broadly 
  linear, 
  when 
  dry 
  often 
  subtubulose, 
  

   point 
  with 
  thickened 
  doubly 
  serrulate 
  border 
  extending 
  to 
  the 
  

   broadly 
  acute 
  or 
  somewhat 
  rounded 
  serrulate 
  apex; 
  costa 
  not 
  

   quite 
  percurrent, 
  60-70 
  /x 
  wide 
  one 
  half 
  up 
  leaf 
  and 
  about 
  one 
  

   sixth 
  leaf-width, 
  at 
  apex 
  denticulate, 
  below 
  from 
  nearly 
  smooth 
  on 
  

   both 
  sides 
  to 
  more 
  or 
  less 
  papillose 
  (the 
  papillae 
  mostly 
  1-4 
  

   high) 
  on 
  back 
  down 
  to 
  cancellinap 
  in 
  r-rr.co_eo^+^; 
  1 
  : 
  u,.,.*. 
  

  

  