9. G. aparine , L. Native. British type. Area C, N, D. Eange 1, 2.
Common in hedges and cultivated fields, ascending to 350 yards in Teesdale, and as high in Rookhope.
10. G. boreale , L. Native. Highland type. Area C, N, D. Range 1, 2.
By the Tweed side near Cornhill (R. Embleton). Not known amongst the Cheviots. Banks of the Tyne at Tarset, Bellingham, Nunwick, Hexham, Wylam, Bywell, &c.; and of the Irthing at Wardrew. Common by the Tees, beginning at the Caldron Snout, 500 yards, and carried down to Darlington and Yarm.
2. SHERARDIA, L.
1. S. arvensis , L. Colonist. British type. Area C, N, D. Range 1.
Frequent in cultivated fields, ascending to 850 feet in Teesdale.
3. ASPERULA, L.
1. A. odorata , L. Native. British type. Area C, N, D. Range 1, 2.
Frequent in woods, ascending in Teesdale to High Force Wood, 980 feet, and in the Wear district to Elm Ford near St. John's Chapel, 850 yards.
Order 3. VALERIANACEAE.
1. CENTRANTHUS, D. C.
1. C. ruber , D.C. Alien.
Sometimes on old walls, as at Hulne Abbey.
2. VALERIANA, L.
1. V. officinalis , L. Native. British type. Area C, N, D. Range 1, 2.
Stream-sides and ditches, common, ascending to 450 yards in the Cheviot ravines, to 1600 feet in Harwood Dale.