25 



Suillus esculentus Caesalp. p. 617. Vaill. par. p. 59. n. 4. 

 Mich. gen. t. 68. f. 1. Battar. t. 30. A. Bol. aestivus Slotterb. 

 Act. Helv. 4. p. 54. t. 5. f. 2. Hall. helv. n. 2302. Bol. bul- 

 bosus Schaeff. tab. 134. 135. Bol. edulis Bull. Champ. p. 322. 

 t. 60. t. 494. Schrad. Spie. p. 149. cum var. a — y. Pers. 

 Syn. p. 510. Sowb. t. III. Sv. Bot. t. 197. Swartz 1. c. p. 4. 

 Tratt. Essb. Schwämme, p. 104. Pers. Champ. comest. p. 230. 

 Alb. et Schw. 1. c. p. 240. Krombholz Consp. fung. escul. p. 23. 

 Fries Syst. Myc. I. p. 392. Fries Elench. I. p. 127. Lenz 

 Schwämme, tab. 8. f. 34. Wallroth 1. c. II. p. 605. Secretan 

 1. c. p. 13 — 16. Bol. crassipes Schum. Saell. p. 378. Bol. 

 esculentus, Bol. dulcis et Bol. umbrinus Pers. Myc. Eur. II. 

 p. 131. 135. 140. 



Pileus pulvinatus glaber, 2 — 12 unc. latus, ± — 1\ unc. 

 crassus, junior comp actus rogulosus, supra convexus, subtus con- 

 cavus, stipiti adpressus, hemisphaericus, dein dilatatus, utrinque 

 convexus, moilis, laevis, fere nitens, versicolor, albidus, gilvus, 

 vaccinus, badius, fuligineus, aere sicco tessellato-rimosus, aere 

 humido subviscosus, glutine dulci. Margo pilei tubulis satis late 

 — 14- lin.) destitutus, infiexus. 



Tubuli semiliberi, liberum profundumque spatium circa sti- 

 pitem relinquentes , subrotundi angusti, 4- — 1 unc. loogi, pri- 

 mum brevissimi aibi, materia floccosa alba fareti, dein lutei ob- 

 tusi inaequales, demum virent, interdum ore rubro? (Flor. Dan. 

 t. 1296.) Tubuli dissecti rubescunt. 



Stipes crassus compactus carnosus, prope tubulos attenuatus, 

 totus fere albido - reticulatus, aut brevis ovato - bulbosus, pallidus, 

 saepe longitudinaliter dehiscens, aut 4 — 6 unc. longus subae- 

 qualis, pallide fuscescens, ad tres uncias crassus, basi saepe 

 striatus. 



Receptaculum foveolatum glabrum, album vel leviter flaves- 

 cens. Sporae ellipticae, sordide ochraceae, subvirentes, quarum 

 latitudo aequat quadrantem longitudinis. Caro compacta, dein 

 moilis alba, immutahilis sive rubescens, sueco limpido dulci. 

 Sapor gratus. Jucundum praebet eibum. 



Mart. — Oct. Frequens in silvis. 



