HYDNUM 637 



globose, 4-5 x 3-5-4/z, 1-guttulate. Mycelium citron yellow. Taste 

 unpleasant, acid. Old apple trunks. Aug. Oct. Rare, (v.v.) 



2160. H. squalinum Fr. Ray, Syn. t. 1, fig. 5. 



Squalinum, pertaining to a shark. 



P. 2-8 cm., pale wood colour, suborbicular, then confluent, adnate, 

 waxy, pruinose, villose, becoming smooth; margin white, villose, thin. 

 Spines yellowish amber, becoming fuscous, base brownish, 2-3 mm. 

 long, acute, subdivided, or entire, stout, compressed, connate, trans- 

 lucid. Flesh white, coriaceous, firm, thick. Spores "yellowish, echinu- 

 late, oval, 4/u," Quel. Dead beech trunks. Sept. Oct. Rare. 



IV. P. sessile, dimidiate, marginate, often effuso-reflexed. 



2161. H. cirrnatum (Pers.) Fr. Fr. Sverig. atl. Svamp. t. 71, fig. 1. 



Cirrhatum, curled. 



P. 5-10 cm., pallid, varying white, light yellowish, or rufescent, 

 effused, then reflexed, dimidiate, shell-shaped, often imbricate, brist- 

 ling above with sterile spines or scattered, flexuose fibres; margin pink, 

 incurved, fimbriate. Spines cream colour, 10-15 mm. long, subulate, 

 tough, elastic, equal, thin. Flesh white, then pinkish cream colour, 

 corky soft, thick. Spores white, " subelliptical, 3-5-4 x 2-75-3 ft, often 

 1-guttulate, becoming blue with iodine" Bourd. & Galz. Taste and 

 smell pleasant. Edible. Oak, beech, birch, and fir trunks. Aug. 

 Sept. Uncommon. 



2162. H. diversidens Fr. Fr. Sverig. atl. Svamp. t. 71, fig. 2. 



Diver sus, different; dens, tooth. 



P. 5-13 cm., white, then yellowish, or flesh colour, dimidiate, shell- 

 shaped, often very irregularly shaped, here and there lobed, sessile, 

 or substipitate, often imbricate, densely beset above with erect, variously 

 shaped, incised teeth; margin membranaceous, lobed, clothed with club- 

 shaped spines. Spines white, 612 mm. long, subulate, entire, regular, 

 pubescent. Flesh whitish, soft, moist. Spores white, "oval globose, 

 3-4 ju, with a large central gutta" Quel. Taste pleasant. Edible. 

 Beech, birch, hornbeam, and oak stumps. Oct. Rare. 



2163. H. pulcherrimum Berk. & Curt. Pulcherrimum, very beautiful. 

 P. 3 cm., white, shaded pale tawny, pulvinate, dimidiate, expanded, 



subimbricate, stiffly downy ; margin lobed, thin. Spines tawny, 3-5 mm. 

 long, variable in size. Flesh fibrous. Oct. Rare. 



2164. H. multiplex Fr. Fr. Icon. t. 6, lower figs. 



Multiplex, with many folds. 



P. 8-10 cm., date brown, becoming fuscous, reniform, spathulate, 

 wedge-shaped, densely imbricate, connate in very numerous flabelli- 

 form, connate pilei, radiately striate, velvety, produced behind into a 



