Hymenomycetese, Polyporese, Boletus. 151 



insequalibus, subdecurrentibus, primo sordide albis vel griseis, in- 

 terdum prope stipitem viridi-tinctis, dein cinnamomeo-flavis; stipite 

 supra annulum reticulato, albo, bruuneolo-maculato, maturitate 

 fiavo-tincto ; aunulo partirn stipite, partim pilei margine adhserente; 

 sporis brunneolis, 10^6,5. 



Hah. ad terram graminosam, New England Amer. bor. 



5. Boletus plorans Roll. in Bull. Soc. Mjc. V, p. 169, t. XV, f. 1. eii 



— Piieo crasso, 12 cm. et ultra lat., flavo-luteo, velo brunneo, 

 pluviis evanido, obducto; carne molli, lutea; poris initio labyrin- 

 thiformibus, angustis, dein angulatis, amplis, rubiginosis, tubulis 

 luteis, 1 cni. et ultra long., juxta stipitem depressis et decurren- 

 tibus, ad marginem punctis gelatinosis, griseis, dein brunneis vel 

 fuliginosii! obsitis; stipite solido, ba«i gossypino-radicante, luteo et 

 ut in poris tota superficie punctato; sporis luteis, oblongis, 8-9 ::; 3. 



Hah. sub Laricibus in clivis nemorosis Riffel raoutis Helvetifje. 



— B. Bouclieri affinis. — Var. eleutheros Roll. in Journ. Bot. 

 1889, p. 377: a typo differt stipite dein cavo et praecipue pororum 

 et stipitis punctis colore rubro vel violaceo griseo. In turfosis et 

 margine silvarum, Zermatt Helvetiav 



6. Boletus radicosus Bundy in Peck BuII. N. Y. Mus. II. p. 162. — 612 

 Pileo tenui, amplo, recurvo, flavo, brunneo-tincto, cuticula facile 

 secedente; carne pallide flavida, roseo-tincta, colore tactu immu- 

 tabili ; tubulis decurrentibus, magnis, compositis, angulatis, brun- 

 neo-tinctis; poris inasqualibus ; stipite flexuoso, supra flavo, subtus 

 albido, squamis atris appressis asperato, fibroso-radicante. 



Hab. in Wisconsin Amer. bor. — Pileus 10 cm. lat. ; stipes 

 7,5-10 cm. long., 10 mm. cr. B. collinilo forte affinis. 



7. Boletus Braunii Bres. in Brauu Fl. Kamer. p. 3, F. Kamer. p. 8, 513 

 t. IV. — Pileo pulvinato, brunneo-flavescente, glabro, margine ex- 

 cedente involuto, sicco (?), tubulis flavido-olivaceis, postice atte- 

 nuato-subdecurrentibus ; poris concoloribus, mediocribus, acie obtu- 



sa, subhexagonis, postice irregularibus valde elongatis; stipite so- 

 lido,- a basi attenuato, pileo concolori, fibrilloso; annulo non viso; 

 carne flavida; sporis aureo-flavis, sphaeroideo-ellipsoideis, 4Vo-5 =5 

 3V2-4 ; basidiis clavatis, 45-55-^10. 



Hab. ad terram, Kamerun AiV. occid. — Halitus B. elegan- 

 tis, a quo tamen, omisso etiam defectu annuli, notis micrologicis 

 abunde differt. Pileus II cm. lat. ; tubuli 5 mm. long.; stipes 10 

 cm. long., 2 cm. crass. 



