Euphrasia collina subsp. 1

Differs from subsp. paludosa in the presence of glandular hairs (rather than sessile glands) on the outer surface of the calyx, 0.05–0.15 mm long, varying in extent, sometimes confined to upper parts, occasionally only in lower parts, or all over. Corollas vary in the incidence of the yellow spot behind the lowest lobe; anthers 1.2–2.2 mm long, with rear awns 0.2–0.5 mm long. Seeds 0.6–1.2 mm long. Flowers Dec.–Jan.