Papillate -us: a surface with small elevations which are porous at tip.
"Explanation of Terms Used in Entomology" by John. B. Smith
Papillate: Beset with papillate extensions.
"The Elements of Bacteriological Technique" by John William Henry Eyre
The pileus is nearly membranaceous, convex, then expanded, nearly plane, papillate, striatulate, smooth, livid brown, hygrophanous, umbonate.
"The Mushroom, Edible and Otherwise" by M. E. Hard
The microscope shows general hypertrophy of the gall-bladder and hypertrophy of its papillæ.
"A System of Practical Medicine by American Authors, Vol. I" by Various