Hyiueuomycetfe, Polyporacese, Boletiis 343 



Hah. ad terram in Amer. bor. — Affinis videtur B. subsanguinei 

 Pk., sed notis plurimis distinctus. 



31. Boletus obscurecoccineus v.Hohn., Fragm. z. Mylcol. 837, in Stzgsb. 1285 

 Akad. Wiss. Wien, CXXIIT, 1, p. 88 (1914). — Pileo obscure rubro- 

 carmineo, sicco, granuloso-setoso, 6-7 cm. lato, 2 cui. crasso, carne 



1 cm. crassa, luteola, firma sub pellicula rubro-carminea, ad basim 

 stipitis albidula, non cyanescente 5 stipite cylindrico 10 cm. longo, 

 12-13 mm. crasso, pallide carmineo, basi albo, snrsum rubro-toraen- 

 toso-squamuloso ; tubulis 1 cm. c. longis, prope stipitem valde bre- 

 vioribus, adnexis, 1,5 mm. latis, luteis, virescentibus ; pulvere spo- 

 rarum brunnea ; sporis pallide luteis, ellipsoideo-oblongis, deorsum 

 breviter apiculatis, 16-18 * 6-8 ; cystidiis clavato-cylindraceis, apice 

 rotundato-obtusis, circ. 60 ^ 12-16. 



Hah. ad terram, Tjibodas, Java. — B. versicolori imprirais affinis. 



32. Boletus rubritubifer Kaufraan, K Y. St. Mus. BuU. n. 179 (1915) 1286 

 p. 80. — Pileo 2-5 cra. lato, carnoso, convexo, obtuso, glabro v. 

 obscure subtomentoso, sicco, aequali, cinnamomeo-rufo, leniter lu- 

 teo-variegato, carne albidula, luteo-tincta, immutabili, crassa ; tu- 

 bulis rubris, ore quoque rubra, circa stipitem depressis, convexis, 



5-8 mra. longis, poris subangularibus, 2 pro mra., dissepiraentis cras- 

 siuscnlis ; stipite 5-6 cm. longo, superne 1-2 cm. crasso, inferne 

 attenuato, glabro, solido, luteo-armeniaco ; sporis fusoideo-cyliudra- 

 ceis, hyalinis vel dilute rufo-brunneis, 9-12 * 4. Odore et sapore 

 gratis. 



Hab. ad terram sub A b i e t i b u s , Nortli Elba, Amer. bor. — 

 Colore tubulorum intense rubro (ruber porapeianus) facile digno- 

 scenda sjjecies. 



33. Boletus chrysenteron BuII.— Syll.VI p. 14 — var. mutatus K. Schulz i287 

 in Verh. Bot. Ver. Prov. Brandenb. LIV (1912) p. 127 (1913).— 

 Pileo olivaceo-griseo-Iuteo vel brunneolo-olivaceo ; stipite minute 

 punctato, luteo, purpureo vel rubro-tincto; poris angulosis olivaceo- 

 viridulis ; carne in pileo alba, rupta vix mutante, in stipite lutea, 

 fracta cyanescente dein rubro-vel purpureo-tincta, praecipue ad 

 basira. 



Hab. m duraetis fagineis, i)rope Stettin, Gerraania. — Inter B. sub- 

 tomentosum et B. chrysenteron fere raedius — var. sphagnorum Peck, 

 X. Y. State Mus. Bull. 150 [1910] p. 64 (1911). — Pileo heraisphaerico 

 vel convexissimo, badio, praeter hymeniura margine tenue incurvo 

 extenso, carne alba vel albida, tubulis pilei carnis crassitate lon- 

 gioribus. Pileus 2-3 cm. latus, s-tipes 2-4 cm. long. 5-8 rara, cras. 



