Please help with name of part for stove??????????????

i have a old stove. the brand is brown. its old. but i need to know the name of the part that sparks the gas to ignite the burner.it has a line that goes from the middle of the 2 burners down to the stove. please help. so it has a tip that ignites the 2 burners with a line hooked up to it. please help