﻿Setchell: 
  The 
  marine 
  spermatophytes 
  573 
  

  

  Europe. 
  These 
  northern 
  plants 
  seem 
  to 
  belong 
  to 
  var. 
  angusti- 
  

  

  folia 
  

  

  Zostera 
  marina, 
  in 
  the 
  extended 
  

  

  seems 
  

  

  Europe 
  down 
  to 
  the 
  neighborhood 
  of 
  Cadiz 
  in 
  Spain, 
  while 
  in 
  the 
  

   Mediterranean 
  Sea 
  it 
  is 
  less 
  common 
  and 
  of 
  spot-wise 
  occurrence. 
  

   It 
  occupies, 
  therefore, 
  so 
  far 
  as 
  the 
  European 
  coast 
  is 
  concerned, 
  

   the 
  Lower 
  Boreal 
  and 
  North 
  Temperate 
  Zones 
  without 
  question 
  

   and 
  probably 
  also 
  extends 
  discontinuously 
  into 
  the 
  Upper 
  Boreal 
  

   and 
  the 
  North 
  Subtropical 
  Zones. 
  

  

  On 
  the 
  eastern 
  coast 
  of 
  Asia, 
  Zostera 
  marina 
  extends 
  from 
  

   somewhere 
  near 
  the 
  Bering 
  Strait 
  south 
  to 
  and 
  including 
  some 
  of 
  

   the 
  Riu-Kiu 
  (or 
  Loo 
  Choo) 
  Islands, 
  thus 
  occupying 
  the 
  Upper 
  

   and 
  Lower 
  Boreal, 
  the 
  North 
  Temperate, 
  the 
  North 
  Subtropical 
  

   and 
  the 
  upper 
  portion 
  of 
  the 
  Tropical 
  Zones 
  • 
  I 
  am 
  unable 
  to 
  

   find 
  out 
  very 
  much 
  concerning 
  the 
  details 
  of 
  distribution 
  on 
  the 
  

   Asiatic 
  coasts. 
  The 
  relation 
  of 
  Z. 
  japonica 
  Aschers, 
  & 
  Graebner 
  

   (1907, 
  p. 
  32) 
  to 
  cited 
  references 
  is 
  not 
  clear. 
  Turning 
  to 
  the 
  

   eastern 
  coasts 
  of 
  the 
  North 
  Pacific 
  Ocean, 
  it 
  is 
  reported 
  from 
  

   Port 
  Clarence, 
  Alaska, 
  and 
  from 
  various 
  localities 
  along 
  the 
  coast 
  

   south 
  to 
  Catalina 
  Island, 
  California, 
  thus 
  occupying 
  the 
  Upper 
  

   Boreal, 
  Lower 
  Boreal, 
  North 
  Temperate, 
  and 
  possibly 
  also 
  entering 
  

   the 
  North 
  Subtropical 
  Zones. 
  [Z. 
  oregona 
  S. 
  Watson 
  is 
  not 
  

   recognized 
  by 
  Ascherson 
  and 
  Graebner, 
  but 
  is 
  referred 
  to 
  Z. 
  

   marina 
  (cf. 
  Ascherson, 
  1906, 
  p. 
  402).] 
  

  

  The 
  data 
  as 
  to 
  the 
  distribution 
  of 
  Zostera 
  marina 
  along 
  the 
  

   eastern 
  coast 
  of 
  North 
  America 
  are 
  the 
  most 
  extensive 
  and 
  exact 
  

  

  me 
  

  

  more 
  

  

  stress 
  upon 
  them. 
  They 
  are, 
  however, 
  by 
  no 
  means 
  

   sufficiently 
  comprehensive 
  to 
  form 
  a 
  satisfactory- 
  basis 
  for 
  an 
  

   opinion, 
  as 
  I 
  shall 
  attempt 
  to 
  indicate. 
  There 
  is 
  little 
  doubt 
  but 
  

   that 
  some 
  form 
  of 
  it 
  has 
  been 
  found 
  m 
  the 
  inner 
  portion 
  oi 
  Pfsig- 
  

   sarfix 
  Fiord, 
  at 
  lat. 
  64° 
  35' 
  N. 
  on 
  the 
  coast 
  of 
  southwestern 
  Green- 
  

   land 
  (cL 
  Lange, 
  1887, 
  p. 
  282). 
  The 
  species 
  and 
  its 
  variety 
  

   angustifolia 
  reappear 
  at 
  the 
  Strait 
  of 
  Belle 
  Isle, 
  no 
  records 
  being 
  

   available 
  of 
  its 
  occurrence 
  on 
  the 
  intervening 
  coast 
  of 
  Labrador. 
  

   It 
  is 
  evidently 
  abundant 
  in 
  the 
  Gulf 
  of 
  St. 
  Lawrence 
  and 
  along 
  

   the 
  coast 
  of 
  New 
  England 
  to 
  New 
  York 
  Harbor. 
  There 
  is 
  

   plenty 
  of 
  specimens 
  to 
  show 
  the 
  distribution 
  from 
  Newfoundland 
  

  

  