INTRODUCTION YO BOTANY. aos" 
Musurooms. 
Stem, Stipes. The round footstalk that supports the 
cap of pileiferous mushrooms. Agaricus. 
Cap, Pilews. An expansion of the stem, usually hemi- 
spherical or conical. Agaricus. 
Volva. A membranaceous envelope surrounding the 
whole mushroom while quite young, or in the egg-state. 
Agaricus. : 
Collar, Annulus. A membranaceous envelope covering 
the cap while the plant is young, afterwards ruptured and 
remaining round the stipes like a collar, either fixed, 
Boletus annulatus; or moveable, Agaricus procerus. 
Curtain, Cortina. <A kind of thready collar, or network, 
which, after the rupture of it by the growth of the plant, 
remains attached to the edge of the cap. Agaricus arané 
osus, Agarici cortinarii. 
HAymenium, Membrana fructificans. The part of the pi- 
leus that contains the spore or gongyles. 
Gills, Lamelle, Vene. Thin expansions of the hyme- 
nium, either single, in pairs, or other determined number ; 
sometimes distinct, sometimes anastomosing together. 
Agaricus, Merulius. 
Tubes, Tubi. Tubular expansions of the hymenium. 
Boletus, Poria. 
Capsule, Peridium, Involucrum. A dry, membranaceous 
hollow vessel, filled with sporze or gongyles. Lycoperdon. 
Perithecium. A hard, hollow receptacle, containing a 
gelatinous substance filled with thecz. 
Capellitium, MHairlike fibres, or elateres interwoven 
with sporee into a globular or oval form, and contained in 
a peridium. 
Slime, Latex. A mucilaginous liquid containing the 
sporee floating in it. Phallus, Clathrus. 
Vesicles, Vesicule. Collections of spore united together. 
Sporidia. Conceptacles containing spore. Puccinia. 
Flocct. ‘Tubular threads intermixed with the spore. 
-Cisti. Very small round conceptacles containing spore, 
borne upon small footstalks. Mucor. 
Cistophori. The footstalks that support the cisti. Mucor. 
Seeds, Spore, Sporule. The reproductive corpuscles of 
mushrooms. ; 
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