Rachis to a short segment of the rachis. This is significant in the history of agriculture, and referred to by archaeologists as a "brittle rachis", one type of shattering in crop plants. Rachis Rachis is a biological term for a main axis or "shaft" (from the Greek "ράχις, backbone, spine"). In vertebrates a "rachis" can refer to the series of articulated vertebrae, which encase the spinal cord. In this case the "rachis" usually forms the supporting axis of the body and is then called the spine or vertebral column. "Rachis" can also mean the central shaft of pennaceous feathers. In the
Calamus, Iowa Calamus Consolidated School was burned at a ceremony in the school auditorium. In 1950, six rooms and a large gymnasium were added at a cost of $125,000. In 1964, another six rooms were added at a cost of $196,000. The vote on the bond issue for the construction of this addition carried by 92.8%, an all-time high in the state of Iowa. Calamus has not had many home printed newspapers. The first paper that was issued in Calamus was established by H. L. Barter and was called the "Free Press." After some time, F. L. Sunderlin, later of the Delmar