5 



* 



Stipes subaequalis glaber crassus pallide flavidus, tactu spa- 

 diceus, totus fere in discum pilei dilatatus, 2 — 3 tinc. longus, 

 i — 1 unc. crassus. 



Sporae ovales miuutae ochraceo-ferruginascentes. Caro mol- 

 lis sordide lutea, aeri exposita fuscescens, quem colorem etiam 

 siceata tenet; in stipite ejusque vicinia rubescens. 



Vere-Autumno. In silvis, Semper ad terram; copiosissime. 



II. Gyrodon. Nov. genus. 



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

 ii ute reticulatum. Hymenium gyroso-poroso-venosum, gyris hinc 

 inde dentato-laceris. 



Stipes solidus, nudus vel volvatus. Terrestres. 



1. Gyrodon sistotr emoid es Fries. Op. Pileo utrinque 

 . piano castaneo - rufo \ hymenio gyroso - poroso - venoso- 



denticulato, flavescente - fulvo ; stipite solido pallido te- 

 nui incurvo, basi subvilloso. 

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

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

 Myc. eur. II. p. 138. 



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

 nus vel fusco - brunneus , 2 — 3 unc. latus, submollis, aqua at- 

 mosphaerica 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. Stipes 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. 



Gregarie in silvis Sueciae. Sept. (Fries.) 



2. Gyrodon volvatus Pers. Op. Pileo convexo tenui 

 subviscoso, sordide flavido-splendente; hymenio gyroso- 

 venoso-denticulato griseo, albo marginato; stipite solido 

 laevi glabro, pileo concolore, basi volvato. 



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



