V. Myrtillus: shrub; stems acutely angular; leaves ovate, serrated; flowers solitary in the leaf-axils, nearly globular, pale greenish-white, tinged with red, nodding; fruit a roundish bluish-black berry, covered with bloom. - Bilberry. - Heathy wastes. Fl. May.

V. uliginosum: shrub; stems terete; leaves obovate, entire; flowers axillary, somewhat clustered, flesh-coloured, nodding; fruit a black berry. - Great Bilberry. - Mountain bogs. Fl. May.