﻿208 
  JOURNAL 
  OF 
  THE 
  WASHINGTON 
  ACADEMY 
  OF 
  SCIENCES 
  VOL. 
  12, 
  NO. 
  8 
  

  

  second 
  glume 
  a 
  little 
  shorter 
  than 
  the 
  first, 
  glabrous, 
  convex 
  on 
  the 
  back, 
  

   loosely 
  inflexed 
  at 
  the 
  margins, 
  thinner 
  than 
  the 
  first, 
  5-nerved; 
  lemmas 
  and 
  

   paleas 
  all 
  hyaline, 
  the 
  first 
  lemma 
  faintly 
  5-nerved, 
  this 
  and 
  the 
  2-nerved 
  

   palea 
  about 
  as 
  long 
  as 
  the 
  first 
  glume 
  ; 
  second 
  lemma 
  faintly 
  3-nerved, 
  narrower 
  

   and 
  shorter 
  than 
  the 
  palea, 
  the 
  latter 
  nearly 
  as 
  long 
  as 
  the 
  second 
  lemma; 
  

   pistillate 
  inflorescences 
  in 
  the 
  axils 
  of 
  the 
  leaves, 
  partly 
  protruding 
  from 
  the 
  

   sheaths, 
  each 
  wrapped 
  in 
  one 
  or 
  more 
  sheathing 
  bracts, 
  consisting 
  of 
  a 
  series 
  

   of 
  pistillate 
  spikelets 
  on 
  an 
  articulate 
  axis, 
  the 
  spike 
  being 
  3 
  to 
  6 
  cm. 
  long 
  and 
  

   4 
  to 
  5 
  mm. 
  thick, 
  in 
  some 
  cases 
  bearing 
  above 
  a 
  raceme 
  of 
  staminate 
  spikelets 
  

   as 
  much 
  as 
  10 
  cm. 
  long; 
  pistillate 
  spikelets 
  single, 
  on 
  opposite 
  sides, 
  sunken 
  in 
  

   cavities 
  in 
  the 
  hardened 
  joints 
  of 
  an 
  obliquely 
  articulate 
  rachis; 
  joints 
  of 
  the 
  

   fruiting 
  rachis 
  trapezoidal, 
  6 
  to 
  8 
  mm. 
  long, 
  about 
  4 
  mm. 
  thick 
  the 
  short 
  side 
  

   2 
  to 
  3 
  mm. 
  long; 
  first 
  glume 
  indurate 
  like 
  the 
  rachis 
  joint, 
  closing 
  the 
  cavity 
  

   containing 
  the 
  remainder 
  of 
  the 
  spikelet, 
  apiculate, 
  about 
  as 
  long 
  as 
  the 
  joint, 
  

   pilose 
  in 
  the 
  sinus 
  at 
  base. 
  

  

  Type 
  in 
  the 
  U. 
  S. 
  National 
  Herbarium, 
  no. 
  727077, 
  collected 
  in 
  prairie 
  along 
  

   the 
  railroad, 
  about 
  one 
  mile 
  south 
  of 
  the 
  station, 
  Zapotlan 
  (Ciudad 
  Guzman), 
  

   Jalisco, 
  Mexico, 
  September 
  22, 
  1910, 
  bv 
  A. 
  S. 
  Hitchcock 
  (no. 
  7146). 
  Also 
  

   collected 
  at 
  the 
  type 
  locality 
  October 
  28, 
  1921, 
  by 
  G. 
  N. 
  Collins 
  and 
  J. 
  H. 
  

   Kempton. 
  

  

  This 
  species 
  is 
  distinguished 
  by 
  the 
  rhizomes 
  and 
  scattered 
  stems, 
  the 
  

   plants 
  growing 
  in 
  colonies. 
  The 
  pistillate 
  spikes 
  appear 
  to 
  be 
  usually 
  single 
  

   in 
  the 
  axils 
  of 
  the 
  leaves. 
  

  

  ETHNOLOGY. 
  — 
  Customs 
  of 
  the 
  Chukchi 
  natives 
  of 
  northeastern 
  

   Siberia.'^ 
  H. 
  U. 
  Sverdrup. 
  (Communicated 
  by 
  Francis 
  B. 
  

   Silsbee.) 
  

  

  Captain 
  Amundsen's 
  Expedition 
  left 
  Norway 
  in 
  1918 
  with 
  the 
  in- 
  

   tention 
  to 
  follow 
  the 
  coast 
  of 
  Siberia 
  eastward 
  to 
  the 
  vicinity 
  of 
  Bering 
  

   Strait, 
  proceed 
  thence 
  towards 
  the 
  north, 
  let 
  the 
  vessel, 
  the 
  "Maud," 
  

   freeze 
  in, 
  and 
  drift 
  with 
  the 
  ice 
  fields 
  across 
  the 
  Polar 
  Sea 
  back 
  to 
  the 
  

   Atlantic 
  Ocean. 
  The 
  vessel 
  was, 
  however, 
  forced 
  by 
  the 
  ice 
  conditions 
  

   to 
  winter 
  three 
  times 
  in 
  different 
  places 
  on 
  the 
  northern 
  coast 
  of 
  

   Siberia, 
  and 
  was 
  in 
  1921 
  compelled 
  to 
  go 
  to 
  Seattle 
  for 
  repairs. 
  

  

  In 
  September, 
  1919, 
  the 
  Expedition 
  was 
  stopped 
  by 
  the 
  ice 
  at 
  Ayon 
  

   Island, 
  about 
  700 
  miles 
  west 
  of 
  Bering 
  Strait. 
  Natives 
  of 
  the 
  Chukchi 
  

   tribe, 
  with 
  herds 
  of 
  domesticated 
  reindeer, 
  were 
  then 
  living 
  on 
  the 
  

   island, 
  but 
  they 
  would 
  leave 
  the 
  coast 
  in 
  a 
  few 
  weeks 
  and 
  move 
  inland 
  

   to 
  the 
  forests, 
  where 
  they 
  are 
  accustomed 
  to 
  spend 
  the 
  winters. 
  This 
  

   group 
  of 
  the 
  Chukchi 
  was 
  apparently 
  very 
  primitive, 
  and 
  had 
  very 
  

  

  1 
  Abstract 
  of 
  an 
  address 
  delivered 
  at 
  a 
  joint 
  meeting 
  of 
  the 
  Washington 
  Academy 
  of 
  

   Science 
  and 
  the 
  Anthropological 
  Society, 
  February 
  16, 
  1922; 
  received 
  for 
  publication 
  

   March 
  16, 
  1922. 
  An 
  extensive 
  account, 
  entitled 
  "Blandt 
  rentsjuktsjere 
  og 
  lamuter," 
  

   has 
  been 
  published 
  in 
  Roald 
  Amundsen's 
  Nordostpassagen. 
  Gyldendalske 
  boghandel. 
  

   Christiania, 
  1921. 
  

  

  