526; Boletus hispidus, Lam. and De Cand. ii. 120; With. iv. 397; Bolton, t. 161; B. velutinus, Sowerby, t. 345.
Near Castle Eden and Hart, on the trunks of Beech trees, D. Near Darlington, on Oaks and Elms — Mr. E. Robson. At Fenham, Blagdon, and Stannington Bridge, N.
7. P. fomentarius.
Gr. Fl. Eds. 400; Berwick Flora, ii. 159; Boletus fomentarius, Sowerby, t. 1 33; Persoon, Syn. 536; With. iv. 401.
On Birch trees in the woods near Corbridge and Hexham, N. Near Auckland and Durham.
8. P. igniarius.
Gr. Fl. Eds. 401; Berwick Flora, ii. 158; Boletus igniarius, Sowerby, t. 132; With. iv. 400; Persoon, Syn. 534. Bolton, t. 80.
On old trees, particularly the Cherry. β near Medomsley, D. At Newburn and Denton, N.
9. P. caesius.
Gr. Fl. Eds. 401; Boletus caesius, Sowerby, t. 226; Persoon, Syn. 526.
On Fir trees in a state of decay, N. and D.
10. P. velutinus.
Gr. Fl. Eds. 401; Boletus velutinus, With. iv. 399; Persoon, Syn. 539; B. lutescens, 539; B. spongiosus, With. iv. 393.
On the trunks of trees, not rare. Near Seaton Delaval, N. Near Gateshead and Saltwellside, D, Near Darlington. — Mr. E. Robson.
11. P. versicolor.
Gr. Fl. Eds. 402; Berwick Flora, ii. 160; Boletus versicolor, With. iv. 394; Bolton, t. 81; Sowerby, t. 229; Persoon, Syn. 551. On the stumps of trees, rails, &c., common.
12. P. abietinus.
Gr. Crypt, t. 226; Fl. Eds. 402; Hook. Lond. t. 180; Berwick Flora, ii. 160; Boletus abietinus. With. iv. 396; Dick. Crypt. Fasc. iii. t. 9, f. 9; Purton. t. 13; Sistotrema violaceum, Persoon, Syn. 551.
On decayed Fir trees at Gibside, Fryerside, Cawsey, and Snow's Green near Shotley Bridge, D. Near Corbridge, Hexham, and Wylam, N. In woods near Berwick, not rare. — Dr. G. Johnston.
13. P. ferruginosus.
Gr. Fl. Eds. 402; Boletus ferruginosus, Persoon, Syn. 544; Gr. Crypt, t. 155; Hook. Lond. t. 163.
On rotten logs of wood in damp places.
14. P. medulla-panis.
Gr. Fl. Eds. 402; Berwick Flora, ii. 159; Boletus medulla-panis, Persoon, Syn. 544; Bolton, t. 167 (the lower figure); With. iv. 391; Sowerby, t. 326.
On trees in a state of decay in Heaton Wood and at Paradise, also in East Common Wood, N. In Gibside and Ravensworth Woods, also near Darlington, D. Near Berwick, N. — Dr. G.Johnston.
15. P. vulgaris.
Gr.Fl. Eds. 403; Berwick Flora, ii. 160; Boletus proteus, Bolton, t. 166; B. medulla-panis, With. iv. 391, var. 2.
On decayed wood near the ground, common.
16. P. ovinus.
Boletus substrictus, With. iv. 385; Bolton, t. 170; Northumberland and Durham Guide, ii. 95.
Near Darlington, D Mr. E. Robson.
17. P. cuticularis.
Boletus cuticularis, With. iv. 394; Bull. t. 462; B. alneus, Persoon, Syn. 528; B. triqueter, Persoon, Syn. 528.
On the stumps of Alder trees, but not frequent.
18. P. cryptarum.
Boletus cryptarum, Persoon, Syn. 542; With. iv. 395; Bull. t. 478; Bolton, t. 165.
Near Castle Eden and Easington, D. Near Darlington. — Mr. E. Robson. Near Bywell and Hexham, N.
19. P. frondosus.
Boletus frondosus, With. iv. 387; Sowerby, t. 87; Bolton, t. 76.
On stumps of trees near Cawsey and Knitsley, D. Near Kenton, Gosforth, and Blagdon, N.
20. P. impuber.
Boletus impuber, Sowerby, t. 695; Bolton, t. 195; Northumberland and Durham Guide, ii. 97.
On decayed trees in woods on the Derwent, N. In East Common Wood near Hexham, Dilston Park, and Horsley Wood, on the Tyne, N.
21. P. ulmarius.
Boletus ulmarius, Sowerby, t. 31; Northumberland and Durham Guide, ii. 97.
In the hollow trunks of old Elms in Cawsey Wood, and at Saltwellside, D. At Fenham and Denton, also near Bedlington and Blagdon, N.
22. P. heteroclitus.
Boletus heteroclitus, Sowerby, t. 367; Bolton, t. 164; Persoon, Syn. 528.
On the ground at the roots of trees at Castle Eden Hetton and Painsher, D. Near Darlington Mr. E. Robson. Near Kenton, and in the upper part of Heaton Dene, N.
23. P. sulphureus.
Gr. Crypt, t. 113; Boletus sulphureus. Bull. t. 429; Sowerby, t. 135; With. iv. 397; B. tenax, Bolton, t. 75; Lightfoot, 1031; B. citrinus, Persoon, Syn. 524; B. ramosus, Bull. t. 418.
On trunks of trees in Horsley Hope Dene, D. Near Darlington, D. — Mr. E. Robson. At Fenham, Benwell, and Heaton, N.
108. BOLETUS.
1. B. luteus.
Gr. Crypt, t. 183; Sowerby, t. 265; Berwick Flora, ii. 156; Schaeff: t. 114; With. iv. 382; B. annularius, Bolton, t. 169; Bull. t. 332; B. flavus, With. iv. 384.
In plantations and pastures near Butsfield, Greencroft, Medomsley, and in Bradley Wood, D. — Near Corbridge and Warden, N. Near Berwick. — Dr. G. Johnston.
2. B. bovinus.
Gr. Fl. Eds. 403; B. gregarius. With. iv. 382.
In Fir plantations at Medomsley, the Woodlands and Greencroft, D. In similar situations on the edge of the Northumberland moors.
3. B. piperatus.
Gr. Fl. Eds. 404; Sowerby, 34; Persoon, Syn. 507; Bull. t. 451; With. iv. 380.
In woods, thickets, and denes, not rare.
