Acorn cup, involcure of beech, and pod of medick.
"Scientific American Supplement, No. 530, February 27, 1886" by Various
It is further known in England by the name Cock's Head, French Grass and Medick Vetchling.
"Clovers and How to Grow Them" by Thomas Shaw
This is Dr. Medick, the country's foremost man in psychology and psychometric analysis.
"Human Error" by Raymond F. Jones