HYDNUM. 24 [ 



On beech and hornbeam. Guildford. Epping Forest. Oct. Hydnum. 



Name diversus ; dens, a tooth. With teeth and spines of different shapes. 

 Fr. Hym. Eur. p. 609. Sv. dtl. Sv. t. 71. / 2. Grevillea, vol. xiii. /. 49. 

 Krombh. t. 51. /. 8-12. 



** Cccspitose, pilei imbricated, 

 No British species. 



*** Simple, pileus coriaceous 

 or corky. 



22. H. ochraceum Pers. Pilei 

 2.5-7.5 cent. (1-3 in.) broad, ochra- 

 ceous, effuso - reflexed, coriaceous, 

 thin, zoned. Spines very small, 

 ochraceous-flesh-colour. 



Very small, sometimes wholly resupinate. 



On dead branches. Common. 

 Nov. 



Easily removed from the matrix. M.J.B. 

 Name ochraceus, ochrey- yellow. Pers. 

 Syn. p. 559. Fr. Hym. Eur. p. 612. Syst. 

 Myc. \. p. 414. Berk. Out. p. 259. C. Hbk. 

 n. 855. S. J\Iycol. Scot. n. 810. Sow. t. 15. 



LXXIV. Hydnum ochraceum. 

 Natural size. Section twice 

 natural size. 



Pileus membranaceous. 

 No British species. 



V. RESUPINATI. Pileus none, &c. 

 * Spines fuscous, ferruginous. 



23. H. squalinum Fr. Subiculum pale wood -colour, coria- 

 ceous, firm, adnate. Spines crowded, 4-6 mm. (2-3 lin.) and more 

 long, stout, compressed, entire, at length becoming fuscous. 



Rather large, firmer than the rest, villous becoming smooth, variable in 

 stature and colour, abnormal, here and there with the connate teeth of Irpex, 

 and at the same time allied to Radulum. 



On trunks, especially beech. 



Admitted on the authority of Ray and Bolton. Name squalus, a shark. 

 From the strong spines like shark's teeth. Fr. Hym. Eur. p. 612. Syst. 

 Myc. i. p. 420. Berk. Out. p. 259. C. Hbk. n. 856. Ray Syn. t. i. /. 5. 

 Bolt. t. 74. 



VOL. II. O 



