Sinapis arvensis Keywords: Deep gloom with no origin Mustard is for sudden depression which descends out of the blue and lifts just as suddenly for no apparent reason. This gloom can be very severe; it is like the descent of a cold, dark fog, overcastting everything and destroying normal cheerfulness. The sufferer is completely taken over by gloom and unable to shake off at will. Bach Flower Remedies Created by a Harley Street doctor in the 1930's, the Bach Flower Remedies are 38 plant and flower based remedies that can help you manage the emotional demands of everyday life. Each remedy aids a specific emotion. You can take them individually or mix them together to match the way you feel. Looking for Bach Flower Remedies for Pets?