The Collaborative International Dictionary
Beggar's ticks
stick-tight \stick"-tight`\, n. (Bot.)
any of several plants having seeds tipped with barbs that may cling to fur or clothing, especially those of the genus Bidens, also called bur marigold, beggar-ticks, and Beggar's ticks, which have prickly flattened achenes.
--RHUDa seed from a sticktight[1].
Beggar's ticks
Beggar's ticks \Beg"gar's ticks`\ The bur marigold ( Bidens) and its achenes, which are armed with barbed awns, and adhere to clothing and fleeces with unpleasant tenacity; -- also called beggar-ticks.
Wiktionary
beggar's ticks
n. The bur marigold and its achenes, which are armed with barbed awns that adhere to clothing.