It was not a good day for Warwicks who fielded. Gloucestershire closed on 334-6 with Craig Spearman making 95 and Taylor not out 72.
Jimmy Anyon took 4-56 off 23 overs including three wickets for one run in thirteen balls.
Meanwhile,Tim Ambrose will be England's wicket keeper for the one day series against New Zealand. Ambrose replaces Phil Mustard and will be in the side for the first Twenty20 game which starts on June 13th and then the one day series which starts two days later.