72 SOME SINGAPORE BOLETINAE. 



EE. Pileus perfectly smooth, shining, slightly 

 viscid, pale leather colored ; hymenium sor- 

 did yellow ; stipe pale sordid leather colored, 

 darker and shallowly somewhat reticulate- 

 ly hbrillose above ; flesh cream colored, not 

 changing; pileus 3.5 — 4.5 cm. in diameter; 

 stipe 5 — 10 mm. x 4 — 5 cm.; spores 

 elliptical, verv pale, 8 — 10 x 4 — 5 microm. 

 (Xo. 4999)/ 



Boletus viscidulus, sp. nov. 



I)D. Pilens and stipe brick red, quite smooth, and 

 opaque; hymenium yellow, surface next stipe 

 rather deeply sinuate; stipe shallowly reti- 

 culate-fibrillose above; flesh of pileus pale yel- 

 low, of stipe bright yellow becoming reddish 

 on exposure; pileus 4 — 9 cm. in diameter; 

 stipe 8 — 17 mm. x 7 — 10 cm.; spores brown, 

 elliptical, 12 x 9 microm. Teticulate-alveolate, 

 the alveolae profound and 4, 5, or 6 sided 

 (Xo. 5000). 



Boletus retisporus, sp. nov. 



GC. Plant springing from bright yellow mycelium; flesh 

 of stipe and pileus yellow, not changing; pileus 

 yellowish brown, opaque, nearly smooth ; hymenium 

 pale leather colored, slightly sinuate; stipe with red- 

 dish brown and yellowish shades; pileus 12 — 14 

 mm. in diameter; stipe 1.5 — 2 mm. x 2.5 cm.; 

 spores elliptical, hyaline, 9 — 12 x 4 — 5 microm. 

 (Xo. 5001). 



Bolitus pernanus, sp. nov. 



BB. Flesh changing to blue on bruising ; pileus deeply squar- 

 rose, purple scaly, exposing lines of yellow tissue beneath ; 

 hymenium sordid yellowish ; stipe umber brown, smooth ; 

 flesh of pileus above yellow, below and of stipe, cream 

 colored, darkening on exposure; pileus 3.5 — 4.5 cm. in 

 diameter ; stipe 6 — 8 mm. x 6 — 9 cm. ; spores ocre- 

 colored, elongate elliptical, longitudinally striate, 15 — 20 

 x 6—8 microm. (Xo. 5002). ' 



Strobilomyces porphyrius, sp. nov. 



Jour. Straits Branch 



