The painters contributed eight oils each to the Church Lane show, which will run until October 6.
Lovelock said her paintings were concerned with identity and were intended to convey anticipation and hope.
"Hija and Hope Chest are paintings about my family and stories about how we came to be here and who we are made up of .. .
"My family stories tell me I am 16th Spanish and largely Scottish, while other stories tell me that it is not true, that the 16th is really something else and there are actually a lot of English."
Lovelock said she was interested in how family stories were taken up by people and how they travelled and changed over time.
Several of her works were painted while she was in the United States.
"My family and I were in Arizona during the national election where Barack Obama became the 44th president ...
"Ethnic identity was debated daily in the media and these paintings were inspired by this debate and the emotions that it provoked," she said.
Waiti said she showed a technique expressing power and vision, using a "vibrant and arresting" palette, in her paintings.
She said her expression frequently showed itself through sculpture, using materials such as textiles, stone and resins.
Waiti has been sculpting for about 15 years and has won several awards.
