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Use "papillate" in a sentence
"In some leaves the cuticle is very thick and even papillate as in the leaves of _Aristida setacea_ and _Panicum repens_ whilst in others it is very thin, as in the leaves of _Panicum colonum_ and _P. fluitans_."
"Above stairs, more than one head _en papillate_ took a furtive peep between the curtains; and the butler of the family, in corduroys and a fur cap, was weeding turnips in the lawn before the door."