6. GYMNADENIA, R. Br.
1. G. conopsea, R. Br. Native. British type. Area C, N, D. Range 1, 2.
Frequent both in damp and dry meadows, ascending to 500 yards in Harwood Dale, and nearly as high in the Derwent district.
7. HABENARIA, R. Br.
1. H. bifolia, R. Br. Native. British type. Area C, D. Range 1.
Heathy pastures, apparently much less frequent with us than the next. Rugley near Alnwick (T.). In two grass fields adjoining Red Barns House near Hartlepool (M.A. Lawson). Near Foxhill between Norton and Sadberge (John Hogg!). Pastures near Sedgefield (Rev. A.M. Norman!).
2. H. chlorantha, R. Br. Native. British type. Area C, N, D. Range 1, 2.
Not unfrequent in meadows and grassy woods, especially amongst the hills, ascending to 500 yards in Harwood Dale.
3. H. viridis, R. Br. Native. British type. Area C, N, D. Range 1, 2.
Frequent in grassy places, ascending in the Cheviot tract to Langlee-ford Hope (James Hardy), to 500 yards in Harwood Dale.
4. H. albida, R. Br. Native. Scottish type. Area N, D. Range 1, 2.
Not known in Cheviot-land. In the Wansbeck tract in a field near Cambo, on the banks of the Fallow Lees Burn and near Rothley Lake (Miss Trevelyan. F !). In North Tynedale on the basaltic ridge close to Barrasford (Wallis). In the Derwent district at Bay Bridge near Blanchland and on both sides of the Knucton Burn, and in South Tynedale in pastures at Sewing Shields (F!). In Teesdale plentiful west of the junction of Langdon Beck with the main stream and less abundant in the
