These are worrying times for Baggies fans, with their side now marooned at the bottom of the Premier League table, with eight points separating them and 17th placed Southampton.
West Brom have been resigned to it for a while but an eighth successive defeat was further shattering evidence that the club will be playing Championship football in August.
Jay Rodriguez looked set to ease the pressure on under-fire West Brom boss Alan Pardew after he opened the scoring early in the second half.
"We were certainly unlucky because we weren't expecting to lose Jonny Evans". He didn't have the energy levels after being ill last week.
"We made a couple of errors in the game and we really paid for it".
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"Today was huge. We knew how tough it was going to be". When you're down the bottom of the league that does happen. "I keep saying it to my players: we have got to keep showing pride in what you do, and I will keep doing that until such time I am told not to". It's hard. This was particularly harsh, we didn't make many errors in the whole game but unfortunately we've lost. When Craig Dawson felled Joshua King 25 yards from goal, Stanislas stepped up to sink Albion with a peach of a free-kick.
For Bournemouth, who now fly to Dubai for a warm-weather training camp, this victory makes a fourth successive season in the top flight look ever more likely. "Trust me, we don't want to do it that way, but at this point of the season I think I'll take any way if it means us getting three points".
- Bournemouth have picked up 16 points from losing positions in the Premier League this season, more than any other side.
Pardew also confirmed Grzegorz Krychowiak was fined after his reaction to his second-half substitution during the game against Leicester.
Francis' replacement Charlie Daniels had a 22nd-minute effort easily saved by Foster as both sides struggled to create clear chances.