Page:Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne (1867).djvu/264

Tynemouth Priory, Allansford Bridge, Barnard Castle, Durham Abbey, &c.

3. HUMULUS, L.

1. H. lupulus Humulus lupulus, L. Denizen. English type. Area C, N, D. Range 1.

Sometimes seen in hedges, but not native, ascending Coquetdale to Alwinton, 150 yards.

4. ULMUS, L.

1. U. montana Ulmus montana, Sm. Native. British type. Area C, N, D. Range 1, 2.

Common in hedge-rows and truly indigenous in many places, ascending to 400 yards.

2. U. suberosa Ulmus suberosa, Ehrh. Denizen. English type. Area C, N, D. Range 1.

Woods and hedges, not uncommon, but probably not truly indigenous.

Order 8. AMENTIFERAE.

1. QUERCUS, L.

1. Q. robur Quercus robur, L. Native. British type. Area C, N, D. Range 1, 2.

Frequent in woods and hedges, occurring in the peat mosses and aboriginal woods, ascending to 400 yards. Var. sessiliflora is not uncommon in the hill woods, and var. intermedia was gathered by Mr. Storey near Ravensworth. The beech, chestnut, and hornbeam are all not unfrequently planted, especially the first, but have no claim to be regarded as indigenous.

2. CORYLUS, L.

1. C. avellana Corylus avellana, L. Native. British type. Area C, N, D. Range 1, 2.

Common in woods and thickets, ascending to 350 yards in Goldscleugh, and 1450 feet on Falcon Clints.