3. M. piperita, L. Native. English type. Area C, N, D. Range 1.
Watery places, rare. Ditch at Haggerstone near the blacksmith's shop (Dr. Johnston). Swineclose Wood near Ellingham (R. Embleton). Stannington and Mason Dinnington (F.). In the dene lane near Castle Eden (W. Backhouse. F.). By the Tees side near Yarm (B.). M. crispa, L., a commonly- cultivated mint, not known anywhere in a wild state, is figured in the Supplement to English Botany 2785, from specimens gathered by the late Mr. James Mitchell on the banks of the Wooler Water between Langlee-ford and the town.
4. M. hirsuta, L. Native. British type. Area C, N, D. Range 1, 2.
Common in watery places, ascending in Teesdale to 400 yards near Langdon Bridge.
5. M. sativa, L. Native. British type. Area C, N, D.
Ditches and stream-sides, not unfrequent, ascending in Weardale near Stanhope to 200 yards. M. rubra, Smith, occurs in Rugley Wood near Alnwick, and on the banks of the Team and Tees, M. gentilis, L., was gathered by Mr. Robertson in cornfields at Cleadon, M. cardiaca, Baker, by Winch on the banks of the Team, and M. variegata, Sole, a cultivated form, by Winch on the banks of the Wooler Water near the town.
6. M. arvensis, L. Native. British type. Area C, N, D. Range 1.
Frequent in cultivated fields and watery places, ascending to 300 yards in Teesdale, and 200 yards in North Tynedale.
7. M. pulegium, L. Native. English type. Area D. Range 1.
Borders of a pond at "Winston near Gainford (Rev. J. Harriman. F!).
4. THYMUS, L.
1. T. serpyllum, L. Native. British type. Area C, N, D. Range 1-3.
Everywhere common on dry heathy banks, ascending to 550
