The Agaricaceae of Ohio. bll 



Ttania, the inner portion of the lamellae or pileus; when made 

 up of interwoven fibers of a uniform diameter, it is said to 

 be Hoccose; when the hyphae are frequently enlarged so as to 

 give, in section,, the appearance of rounded cells, it is said to 

 be vesicnlose. 



Tuberculate, with raised tubercles or nodules. 



Umber, olive7brown or dark-brown. 



Umbilicatc, with a central depression or umbilicus, but not fun- 

 nel-shaped. 



Uiiiboiiafc, with a central elevation or umbo. 



Uncinate, extending down the stipes as a short tooth or hook, 

 but not decurrent. 



Universal Veil, see Veil. 



Veil, a membrane enclosing the entire mushroom when young 

 {universal veil), or extending from stipe to margin of pileus 

 and enclosing the lamellae (partial veil). 



Venose, with swollen lines or wrinkles. 



Ventricose, swollen in the middle. 



Vesicnlose Tram a, see Tram a. 



Viscid, covered with a sticky liquid or merely sticky. 



Volva, the remnant of the universal veil at the base of the stipe 

 as a cup or sheath, or broken into fragments. 



Zonate, marked with zones or concentric bands. 



