236 HYDNEI. 



Hydnum. *** Spines unchangeable, unicolorous, whitish. 



6. H. repandum Linn. Pileus 5-15 cent. (2-6 in.) broad, 

 pallid, &c., fleshy, fragile, somewhat repand, rather smooth. 

 Stem 5-12.5 cent. (2-5 in.) long, 1-4 cent. (J4-1& in.) thick, 

 irregularly shaped, pallid. Spines 8 mm. (4 lin.) long, unequal, 

 of the same colour. 



The colour varies whitish, yellow, somewhat flesh-colour, unchangeable. 

 Pileus sometimes floccoso-pruinose. 



In woods. Common. Aug.-Nov. 



Margin of pileus more or less arched. M.J.B. Spores white or with a 

 suggestion of yellow, round with an obtuse apiculus at one end, 5 mk. W.G.S. 

 Edible. One of the most delicious. Requires about four hours' slow cooking. 

 Name repand us, repand. Linn. Suec. n. 1258. Fr. Hym. Eur. p. 601. 

 Sv. dtl. Sv. t. 15. Berk. Out. p. 258. /. 17. /. 2. C. Hbk. n. 844. S. 

 Mycol. Scot. n. 801. Schceff. t. 318. Dull. t. 172. Sow. t. 176. Fl. Dan. t. 

 310. Vittad. t. 25. / 2. Krombh. t. 50. /. 1-9. Vent. t. 27. /. 24. /. 4-6. 

 Barla t. 32. f. 1-9. Grev. t. 44. Hussey i. t. 16. Harz. t. 23, &c. 



* H. rufescens Pers. Rufescent. Pileus 5-7.5 cent. (2-3 in.) 

 broad, thin, somewhat regular, pubescent. Stem 2.5-7.5 cent. 

 (1-3 in.) long, commonly thin, somewhat equal. Spines regular. 



In woods. Frequent. Aug.-Nov. Pers. Syn. p. 555. Berk. Out., C. Hbk., 

 S. Mycol. Scot, as quoted above. Bolt. t. 89. 



ft Lignosa. Pileus corky or coriaceous, tough. 



* Spines changing colour, and, as well as the spores, somewhat 

 fuscous. 



7. H. compaction Pers. Pileus 2.5-15 cent. (1-6 in.) broad, 

 olivaceous-cinereous or fuscous, corky, compact, undulated and 

 tuberculose in becoming confluent, zoneless, commonly wrapped 

 round with whitish down, internally variegated azure-blue. Stem 

 very short, 2.5 cent, (i in.) and more long, irregularly shaped, 

 tawny inclining to fuscous. Spines 2-4 mm. (1-2 lin.) long, 

 fuscous, pallid at the apex. 



Irregularly shaped, somewhat sessile, often forming a shapeless crust. 



In fir woods and on heaths. Rare. Sept.-Nov. 



Name compactus, compact. Pers. Syn. p. 556, partly. Fr. Hym. Eur. p. 

 603. Berk. Out. p. 258. B. & Br. n. 1367. C. Hbk. n. 845. S. Mycol. Scot. 

 n. 802. Krombh. t. 50, /. 12. Strauss Sturm. 33. t. 6. Schceff. t. 146 exclud- 

 ing/. 4, 7. 



8. H. aurantiacum Alb. & Schw. Pileus 2.5-12.5 cent. (1-5 

 in.) broad, orange, corky, compact, turbinato-dilated, with small 



