Skandapurana 16.28.80

16.28.80

vidhavā caiva yā nārī tasyā yātrāvidhiṃ bruve ..
kuṃkumaṃ candanaṃ caiva tāṃbūlaṃ ca srajastathā .. 7.1.28.80 ..

And for a woman who is a widow, I shall declare the rules of pilgrimage: / saffron, sandalwood, betel, and garlands;