Known As:  Creeping Charlie, Gill-Over-The Ground, Ground Ivy
Latin Name: Glechoma Hederacea
Description: Creeping ivy vine that can grow up to 2 feet.  Has small, blue-violet flowers in twos or fours at the axil of the heart-shaped leaves.
Poisonous Parts: Whole plant.  Contains a variety of volatile oils.
Symptoms: Drooling, vomiting, diarrhea, swelling around the mouth, difficulty breathing.
Treatment: Unless your cat is unconscious or having convulsions, induce vomiting.  Get immediate veterinary assistance.