Guide to the Mushrooms IQl 



FUSCOUS. Brown tinged with gray. 



FUSIFOR]\r. Spindle-shaped tapering from middle 

 to both ends. 



GASTEROMYCETES. A group of Basidiomycetes in 

 which the hymenium is enclosed in a sack-like 

 envelope called the peridium. 



GELATINOUS. Jelly-like. 



GENUS (pi. GENERA). A classified group ranking 

 next above a species, containing one or more 

 species. 



GIBBOUS. In the form of a swelling; applied to a 

 pileus which is more convex one side than the 

 other. 



GILL. Vertical plates radiating from the stem on 

 the under side of the pileus on which the hyme- 

 nium is situated: lamella. 



GLABROUS. Smooth; applied to a surface devoid 

 of down or hair; a surface may be glabrous and 

 not even or vice versa. 



GLANDS. Moist or sticky dots. 



GLAUCOUS. Covered with fine whitish-green pow- 

 der, easily rubbed off. 



GLEBA. In Gastromycetes, spore-bearing tissue com- 

 posed of chambers lined with the hymenium and 

 enclosed by the sack-like peridium, as in puff- 

 balls; in phalloids the peridium or volva ruptures 

 and the gleba is carried up on a stipe-like recep- 

 tacle. 



GLOBOSE, GLOBULAR. Nearly spherical. 



GLUTINOUS. Covered with a sticky exudation. 



GRANULAR. Covered with tiny grain-like particles. 



GREGARIOUS. Growing in groups but not in a tuft- 

 ed manner. 



