House Speaker John A. Boehner (R-Ohio) sought to shift responsibility Friday to President Obama and the Democratic-controlled Senate to reach an agreement to avert a series of spending cuts and tax hikes after his fellow Republicans delivered a stunning rebuke to Boehner’s own plan to raise taxes on those making more than $1 million.

In a Friday morning news conference about 14 hours after he abruptly canceled a vote on his proposal, known as “Plan B,” Boehner vowed to continue negotiating with the White House to avert the “fiscal cliff.” He said his plan failed because many of his fellow Republicans simply did not want to be perceived to be raising any taxes.