Affinities of British Tuber aceae, 263 
Authors quoted. 
Berkeley, M. J. : Fungi, forming vol. v, pt. ii, of ‘ The English Flora by W. J. Hooker. 1836. 
and Broome, C. E. : Notices of British hypogaeous Fungi, Ann. Nat. Hist.,xviii, 
p. 78, 1846. 
Chatin, A. D. : La Truffe, 1892. 
Cooke, M. C. : Handbook of British Fungi, 2 vols., 1871. 
Corda, A. C. I. : leones Fungorum, i, 1837 ; ii, 1838 ; iii, 1839 ; iv, 1840 ; v, 1842 ; vi, 1854. 
Dietrich, A. : Flora regni borussici, 1833-41. 
Fries, E. : Systema Mycologicum, 3 vols., 1821-9. 
: Summa vegetabilium Scandinaviae, 1 846. 
Harkness, H. W. : Californian Hypogaeous Fungi, in Proc. California Acad. Sci., vol. i, no. 8, 
1889. 
Hesse, R. : Die Hypogaeen Deutschlands, vol. i, 1891 ; vol. ii, 1894. 
Nees von Esenbach, C. G. : Plantarum mycetoidearum in horto medico bonnensi observatorum 
evolutio, Nov. Act. Nat. Cur., ix, p. 227, 1818. 
Pico, V. : Melethemata inauguralia de fungorum generatione et propagation, 1788. 
SACCARDO, P. A. : Sylloge Fungorum, vol. viii, 1889. 
Sowerby, F. : English Fungi, 1797-1809. 
Tulasne, L. R., Fungi Hypogaei, 1851. 
Vittadini, C. : Monographia 7 'uberacearum, 1831. 
: Monographia Lycoperdineorum , in R. Taurin’s Scient. Acad., ser. 2, vol. v, p. 145 
(1841). 
Wallroth, C. F. W. : Flora Cryptogamica Germaniae, 2 vols., 1831-3. 
EXPLANATION OF FIGURES IN PLATE XVII. 
Illustrating Mr. Massee’s paper on the British Tuberaceae. 
Fig. 1. Tuber excavatum, Vitt. 
Fig. 2. „ melanosporum , Vitt. 
Fig. 3. Hydnotrya Tulasnei, B. and Br. 
Fig. 4. Choeromyces meandriformis , Vitt. 
Fig. 5* » >> 
Fig. 6. Hydnotrya Tulasnei , B. and Br. 
Fig. 7. Tuber nitidum , Vitt. 
Fig. 8. „ melanosporum , Vitt. 
Fig. 9. Genea Klotzschii, B. and Br. 
Fig. 10. Hydnobolites cerebriformis , Tul. 
Fig. 11. Pachyphloeus melanoxanthus , Tul. 
Fig. 12. Stepkensia bombycina, Tul. 
Fig. 13. Balsamia platyspora , B. 
Fig. 14. Hydnotrya Tulasnei , B. and Br. 
Fig. 15. Terfezia leonis, Tul. 
Fig. 16. Tuber mesentericum, Vitt. 
Fig. 17. Genea sphaerica, Vitt. 
Fig. 18. „ hispidula , Vitt. 
Fig. 19. Peziza vesiculosa , L. 
Fig. 20. Elaphomyces anthracinus, Vitt. 
Fig. 21. „ variegatus , Vitt. 
Fig. 22. Amylocarpus encephaloides , Curr. 
Fig. 23. Tuber brumale, Vitt. 
The free spores are mag. 500 diam., the asci containing spores, abotit 250 diam., figs. 16-19 
nat. size. 
