vStipcs subaequalis glaber crassus pallifle flavidiis, taclu spa- 

 diceus, lotus fere in discum pilei dilalafus, 2 — 3 unc. longus, 

 •i- — 1 unc. crassus. 



Sporae ovales minutae ochraceo-ferrnginascentes. Caro inol- 

 lis sordide lutea, aeri exposita fuscescens, quem colorem etiam 

 eiccata tenct; in stipite ejusque vicinia rubcscens. 



Vere-Autumno. In silvls, semper ad tci'rara; copiosissime. 



II. Gyrodon. Nov. genus. 



Pileus carnosus, tenuis, convexo- planus. Receptaculum mi- 

 nute reticulatum. Hymenium gyroso-poroso-veuosum, gyris biuc 

 inde dentalo-laceris. 



Stipes solidus, nudus vel volvatus. Terrestres. 



1. Gyrodon sistotremoides Fries. Op. Pileo utriuque 

 piano castaneo - rufo ; liymenio gyroso - poroso - venoso- 

 denticulato, flavescente-fulvo; slipite solido pallido te- 

 nui incurvo, basi subvüloso. 



B. sistotremoides Fries. Obs. I. p. 120. 



B. sistotreraa Fries. Syst. myc. I. p. 389. B. gyrosus Pers. 

 Myc. eur. II. p. 138. 



Pileus carnosus, utrinque planus, castaneo -rufus, vel vacci- 

 iius vel fusco - brunneus , 2 — 3 unc. latus, submoUis, aqua at- 

 niospbaerica bibulus, glaber vel subsericens, margine patente ob- 

 tusiusculo. 



Hymenium gyroso - porosum, venosum, flavescens, ^demum 

 subfulvum; margine interdum poris angulatis integris; tubulis 

 brevissimis (gyris), vix lineam longis, e substantia propria forma- 

 tis a pileo liberis, et medio in dentes difformes compressos ob- 

 tusos laceris. Slipes solidus nudus, 2 — 4 unc. longus, subae- 

 qualis, crassitudine digiti minoris, erectus vel parum curvatus, 

 glaber, basi subvillosus, subrufescenti-pallidus, vel parum flaves- 

 cens. Caro mollis aquosa albida immutabilis. 



Gregaric in silvis Sueciae. Sept. (Fries.) 



2. Gyrodon volvatus Pcrs. Op. Pileo convexo tenui 

 subviscoso, sordide flavido-splendente; bymcnio gyroso- 

 venoso-denticulato griseo, albu niiarginato; stipite solido 

 laevi glabro, pileo concolore, basi volvato. 



Boletus volvatus Pers. Myc. eur. IL p. 124. 



