Hymenomycetse, Hydnacese, Hydnum. 365 



B. Hydnum BlackfordiaB Peck, Bull. Torr. Bot. Club XXXIII (1906) 1404 

 p. 218. — Pileo carnoso, convexo, glabro, griseo v. griseo-viridi, 

 carne albida rubro maculata, aere lente brunnescenti ; aculeis subu- 

 latis, 2-5 mm. longis, letate vel arescendo e flavido-griseo brun- 

 neis ; stipite tiequali v. subtus subangustato, solido v. farcto, in 

 sicco cavo, glabro, pileo concolori; sporis brunneis, subglobosis, 

 verrucosis, 8-10 {i. latis. 



Hdb. ad terram muscosam in silvis, Ellis Massacliusetts, Amer. 

 bor. (E. B. Blackford). — Pilei 2,5-6 cm. lati ; stipes 2,5-4 

 cm. longus, 3-4 mm. cr. 



6. Hydnum lateritium Massee, Kew BuU. n. 7 (1906) pag. 256. — 1405 

 Pileo tenui, subinfundibuliformi, sericeo, azono, lateritio, 1-2 cm. 

 lato; aculeis sparsis, acutiusculis, apice quondoque subinciso, e la- 

 teritio-fusco expallentibus ; stipite pileo concolori, glaberrimo, 1 



cm. longo; sporis subglobosis, byalinis, glabri.-?, 3,5-4 [i. diam. 



Hdb. ad terram humosam, Aburi Gold Coast, Guinea Africa3 

 occ. (Johnson). — Hyd. tomenfoso Fr. proximum. 



7. Hydnum sulcatipes Peck, BuII. Torr. Bot Club, XXXIV (1907) 1406 

 p. 101. — Pileo carnoso sed tenui, convexo v. subplano, glabro; 

 aculeis angustis, subulatis, sgepe basi compressis et quandoque con- 

 fluentibus, prsecipue ad marginem pilei, albidis, 2 mm. circ. long. ; 

 stipite angusto, aequali, sulcato, apice quandoque furcato ; sporis 

 subglobosis V. late ellipsoideis, 7-8 a. long. et fere seque cr. 



Hab. in silvis, BIuc Mounds, Wisconsin (J. J. Neuman). — 

 Pileus 2-3 cm. latus ; stipes 2-3 cm. long., 3-4 mm. cr. 



8. Hydnum jonides Pass. in N. Giorn. bot. ital. (1872) pag. 157. — 1407 

 Cfr. Saccardo, Not. myc. VI, Ann. Myc. v. III (1905) p. 506. — 

 Pileo carnosOj tenui pallide terreo, levi v. tandem vix flocculoso, 

 explanato; stipite levi superne aculeis abortivis punctato, basi at- 

 tenuato, concolori, aculeis brevibus primo concoloribus, dein ferru- 

 gineo-fuscescentibus; earne molli, valde friabili, fracta et secta exi- 

 mie violacea!, sapore et odore debilibus, gratis (Pass.); sporis glo- 

 bosis, breve tenuiter spinulosis, 3-3,2 [j.. diam., hyalinis (Sacc). 



Hah. in castaneto, CoUeccliio (Parma) Italise bor. 



9. Hydnum crocidens Cooke — Syll. IX, p. 209. — var. subexcentri- 1408 

 cum Patouill. Bull. Soc. Mycol. de Fr. XXIV (1908) pag. 8. — 

 Dififert pileo excentrico, postice depresso v. inciso ibiquo aculeis 

 carente; cystidiis nullis, basidiis tetrasporis; sporis ut in typo. 



Hab. ad terram, Pic Malaoni Novse Caledoni» (M. Le Rat). 



10. Hydnum decolorosum Britz., Syll. XI p. 100; Britzelmayr, Re- 1409 



