GLOSSARY OF THE MORE TECHNICAL TERMS 

 USED IN THIS WORK. 



Abbreviations : 



cm. = centimeter (about 2} cm. make one inch). 



mm. = millimeter (about 25 mm. make i inch). 



fj. = one micron (iooom = i mm.). 

 Adnate, said of the gills when they are attached squarely, or broadly, to the stem. 

 Adnexed, said of gills when they are attached only slightly or only by the upper 



angle of the stem. 

 Anastomose, running together in a net-like manner. 



Annulus, the ring or collar around the stem formed from the inner or partial veil. 

 Appendiculate, said of the veil when it clings in fragments to the margin of the 



pileus. 

 Arachnoid, said of the veil when it is cobwebby, that is, formed of loose threads. 

 Ascus, the club-shaped body which bears the spores inside (characteristic of the 



Ascomycetes). 

 Basidium (pi. basidia),the club-shaped body which bears the spores in the Basid- 



iomycetes. These stand parallel, and together make up the entire or large 



part of the hymenium or fruiting surface which covers the gills, etc. Par- 



aphyses (sterile cells) and sometimes cystidia (longer sterile cells) or spines 



are intermingled with the basidia. 

 Bulbous, said of the enlarged lower end of the stem in some mushrooms. 

 Circumscissile, splitting transversely across the middle, used to indicate one of 



the ways in which the volva ruptures. 

 Cortina, a cobwebby veil. 



Cuticle, the skin-like layer on the outside of the pileus. 

 Decurrent, said of the gills when they extend downward on the stem. 

 Diffluent, said of the gills when they dissolve into a fluid. 

 Dimidiate, halved, said of a sessile pileus semi-circular in form and attached by 



the plane edge directly to the wood. 

 Echinulate, term applied to minute spinous processes, on the spores for example. 

 Eccentric, said of a stem when it is attached to some other point than the center 



of the pileus. 

 Fimbriate, in the form of a delicate fringe. 

 Fistulose, becoming hollow. 

 Floccose, term applied to indicate delicate and soft threads, cottony extensions 



from the surface of any part of the mushroom. 

 Flocculose, minutely floccose. 

 Fugacious, disappearing. 



Fuliginous (or fuligineous), dark brown, sooty or smoky. 

 Fulvous, tawny, reddish yellow. 

 Fusiform, spindle-shaped. 

 Fusoid, like a spindle. 



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