only, Ratcheugh Crag near Alnwick; but it is not uncommon in the low country in Tyneland and Durham, especially on the Magnesian Limestone. Professor Oliver gathered a branched specimen near Wylam.
2. O. mascula, L. Native. British type. Area C, N, D. Range 1.
Frequent in woods and thickets, not noted anywhere in the dales.
3. O. ustulata, L. Native. British type. Xerophilous. Area N, D. Range 1.
In Northumberland this has been gathered only on the coast links between Cullercoats and Tynemouth. In Durham it is scattered over the Magnesian Limestone from Marsden to Hartlepool and Darlington, and occurs also in meadows near the Tees at Dinsdale and Middleton-one-Row.
4. O. pyramidalis, L. Native. Xerophilous. Germanic type. Area C, N, D. Range 1.
In Cheviot-land in a field near Embleton (Mr. Armstrong), and said to have been also gathered near Wooler. In Tynedale near Haltwhistle (R!), and reported by Wallis from meadows north of Crag Lake, but not seen there recently. In Briar Dene near Whitley and in a field south of Cullercoats (W.H. Brown!). In Durham scattered over the Magnesian Limestone from Whitburn, Marsden, and Cleadon to Castle Eden and Hartlepool, and gathered by Mr. Hogg in the Red Sandstone tract three miles southwest of Norton.
5. O. latifolia, L. Native. British type. Area C, N, D. Range 1, 2.
Frequent in damp pastures, ascending to 1600 feet in Harwood Dale.
6. O. maculata, L. Native. British type. Area C, N, D. Range 1, 2.
Common in similar places to the preceding, ascending to 1600 feet in Harwood Dale, and 500 yards in Allendale.
