can be replaced by a candle-fire. or make it a little like a bowl, sprinkling wood chips there .. but the burning smell can bring your parents. rituals to do better on the street.
herbs and plants can gather up the street.
In addition. Many ingridity can also find on the street, in the woods, bird feathers, stones and sand. You can find a lot of ingredients in the cemetery (flowers, mushrooms, berries, nails, water from the vases, etc.) - but to take something from the cemetery there should leave something in return. no other way. it is one of the rules of magic at the cemetery.
and another important rule: how much do you invest in a ritual for as you get the result. invested in $1 and get the result by $1. and speech, I'm not just buying the ingredients. your strength, faith, and training (energy expenditure), the ritual is also very important