Prepare celery, carrots, garlic, and onion. Place in mixing bowl.
Place lemon juice, basil, oregano, and sugar in a saucepan and bring to low boil. Remove from heat and pour over celery, carrots, garlic, and onion. Quickly toss to coat.
Place mixture in refrigerator to chill.
Before serving, finely dice pepper and chop lettuce. (Be sure lettuce is dry.) Peel and finely dice cucumber.
Add to chilled mixture.
Stir in oil, seeds, granulated onion, and salt. Mix well. Serve.