CLEF DES CHAMPS

2205 Chemin de la Rivière, Val- David, 819- 322- 1561, www.clefdeschamps.net. Open daily 10 a. m. to 6 p. m. until Aug. 23. Guided tours given by herbalists start at 10: 30, and the cost is $ 13.50. Entry for self- guided visits is $ 9.

Health Canada’s website on medicinal plants: webprod.hc- sc.gc.ca/nhpid- bdipsn/monosReq.do?lang= eng

The Natural Database for counter- indications concerning medicinal plants: www.naturaldatabase.com