﻿^^ 
  BOTANICAL 
  GAZETTK. 
  [April. 
  

  

  yance 
  of 
  them. 
  The 
  calyx 
  tube 
  is 
  about 
  two 
  mm. 
  deep, 
  so 
  

   that 
  small 
  bees 
  which 
  know 
  how 
  to 
  force 
  tlieir 
  way 
  into 
  the 
  

   tiower^ 
  can 
  reach 
  the 
  nectar. 
  The 
  flowers 
  are 
  sought 
  bv 
  

   many 
  msects, 
  especially 
  bees 
  of 
  the 
  genus 
  Megachile. 
  

  

  Visitors 
  (7 
  days, 
  June 
  26-July 
  11) 
  : 
  Hymenoptera-i/- 
  

  

  Q 
  r\ 
  ^/'' 
  '"''^^i^^'' 
  L. 
  ? 
  , 
  s. 
  : 
  (2) 
  Ceratina 
  dufa 
  Sav 
  

  

  V 
  , 
  s. 
  ; 
  (3) 
  Megachile 
  sp. 
  ^ 
  9 
  , 
  s. 
  and 
  c. 
  p. 
  ; 
  (4) 
  J/, 
  addenda 
  

  

  Y' 
  ^' 
  s. 
  ; 
  (5) 
  M. 
  mauUca 
  Cr. 
  9 
  , 
  s. 
  and 
  c. 
  p., 
  ab. 
  ; 
  (6) 
  M. 
  

  

  iT'l 
  ?f>;-^ 
  ^ 
  ' 
  '• 
  ^"^ 
  ^- 
  P-' 
  ^b. 
  ; 
  (7) 
  M, 
  perbrevfs 
  Cr.$,^-: 
  

   (») 
  Anthulmm 
  emurgmatum 
  Say 
  ^ 
  , 
  s. 
  ; 
  (9) 
  A/adamai 
  pro- 
  

   due 
  a 
  Cr. 
  9 
  , 
  s. 
  and 
  c. 
  p. 
  ; 
  (10) 
  Osm/a 
  distincta 
  Cr. 
  9 
  , 
  s. 
  ; 
  (n) 
  

   Mioxys 
  8-dentaiaS^y 
  9 
  , 
  s. 
  ; 
  (12) 
  Calliopls 
  audrcmfomh 
  

   ^' 
  i 
  i' 
  ^' 
  P" 
  ^^'- 
  "^^^^^rcnldiz: 
  (13) 
  Agafosicmon 
  

  

  :^I-:;l^t 
  ^^---^ 
  Sauss.^ 
  s. 
  SplJidJ: 
  (20) 
  Pri- 
  

  

  oth 
  s. 
  

  

  ononyx 
  atraia 
  ^i. 
  Farg. 
  ; 
  (21) 
  P. 
  //,,,,,^ 
  p., 
  b 
  

  

  i->iptera-i?^;;,^_y/,-^^ 
  , 
  (22) 
  ^l;///.r«.r 
  sfnuosa 
  Wied. 
  ; 
  (23) 
  

   .4. 
  parvicorins 
  Lw., 
  both 
  s. 
  

  

  ialnarZ''c^"'^t'' 
  ^^'-'^^^' 
  1^001 
  uiL 
  : 
  (26) 
  Anilurcia 
  

   nignarina 
  Cm., 
  all 
  3 
  s. 
  ^ 
  

  

  ind 
  of 
  A'^A-''.^'''''f 
  ' 
  Nutt.-The 
  proterogyny 
  of 
  this 
  plant 
  

   t^jL\rTT^ 
  ^'^' 
  ^^^^ 
  recorded 
  by 
  Bell.^ 
  IMiiller' 
  has 
  

   mL^Rp.lt-- 
  '''•^''^ 
  ^"^ 
  described 
  its 
  mechanism, 
  confirm- 
  

   sdffenrif.nT-^'''''' 
  '^^'^""^ 
  ^^ 
  proterogyny 
  and 
  adding 
  that 
  

   a? 
  o 
  W 
  obs-" 
  ^""^^ 
  ""-""' 
  ^"^ 
  absence 
  of 
  insects. 
  Miehan' 
  

   fac?tha?th. 
  -Tf 
  ^^^ 
  ^«^^'er«. 
  but 
  while 
  he 
  recognized 
  the 
  

   that 
  ^e 
  fln 
  ^ 
  "'"'^^i"? 
  "" 
  '^''^ 
  before 
  the 
  antherl, 
  he 
  holds 
  

   observed 
  thir' 
  T 
  t^-^^^'^^"^-^^^ 
  and 
  that 
  too 
  aft;r 
  having 
  

  

  Sf 
  the 
  hnnnl 
  1 
  11^ 
  '^^''^ 
  considers 
  the 
  late 
  enlargement 
  

  

  tl 
  a 
  the 
  roT 
  .^! 
  ""^'^"^^ 
  superfluous, 
  disregarding 
  the 
  fact 
  

   cence 
  and 
  h.? 
  "";^"' 
  °^ 
  attraction 
  is 
  thS 
  whole 
  inflores- 
  

   ness 
  of 
  the 
  S 
  ^">^^^'"f 
  ^^^ich 
  increases 
  the 
  conspicuous- 
  

   V?sitoi 
  s 
  7tt:\ 
  ^"^ 
  ;^^^-/tage 
  to 
  all 
  of 
  the 
  flowers 
  . 
  ^ 
  

  

  ^..«i:f;:i£:;,L^'F^"^ 
  f 
  ^ 
  •■ 
  H3;menoptera_^^.-^.: 
  (O 
  

   ^ 
  i> 
  V,s., 
  (3) 
  Meorar.hd. 
  /,..,„v 
  gay 
  9 
  , 
  s. 
  and 
  c 
  p- 
  = 
  

  

  *Am. 
  Nat. 
  1,405. 
  

  

  ^WeitereBeobachtungen.II 
  244 
  and 
  pi 
  it 
  ^ 
  „, 
  ^ 
  

  

  *Proc. 
  Acad. 
  Sci. 
  Phil 
  \m^'^^ 
  « 
  V°** 
  "^' 
  ''^s. 
  52-54. 
  

  

  nil., 
  188>, 
  329, 
  .330. 
  See 
  also 
  Delpino: 
  Ult. 
  os.servftzioni, 
  I, 
  67, 
  6?- 
  

  

  