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. {%-l% 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. t. 17. /. 2. C. 'Hbk. n. 844. S. 

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

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

 Barla t. 32./. 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. compactum 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. (1 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. 



'Sa.me—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 



