Table 1
Analysis of variance with pollinator species and plant density on (a) the number of flowers visited per raceme; (b) the number of flowers tripped per raceme; (c) the proportion of open flowers that were visited per raceme; (d) the proportion of visited flowers that were tripped per raceme.
 (a) Number of flowers visited per raceme 
 Source  d.f.  Sumofsquares  MS  $F$ratio  $P$  Bee species  6  229.20  38.20  9.77  <.0001  Plant density  1  9.89  9.89  2.53  .11  Bee* Density  6  17.10  2.85  0.73  .63 
 (b) Number of flowers tripped per raceme 
 Source  d.f.  Sumofsquares  MS  $F$ratio  $P$  Bee species  6  170.47  28.41  13.01  <.0001  Plant density  1  4.99  4.99  2.29  .13  Bee* Density  6  17.40  2.9  1.33  .24 
 (c) Proportion of open flowers that were visited 
 Source  d.f.  Sumofsquares  MS  $F$ratio  $P$  Bee species  6  3.10  0.52  3.86  .0009  Plant density  1  0.0007  0.0007  0.01  .94  Bee* Density  6  0.84  0.14  1.05  .39 
 (d) Proportion of visited flowers that were tripped 
 Source  d.f.  Sumofsquares  MS  $F$ratio  $P$  Bee species  6  49.94  8.32  24.27  <.0001  Plant density  1  0.14  0.14  0.42  .52  Bee* Density  6  3.28  0.55  1.59  .15 

