Asplenium rhizophyllum one collection on sandstone in the Shawnee Hills of Illinois. A triploid hybrid between walking fern and Tutwiler's spleenwort was accidentally produced in culture. A similar plant collected from limestone in Shepherdstown, West Virginia could have originated from the same parents, from an unreduced (diploid) gametophyte of Scott's spleenwort crossed with walking fern, or from an unreduced walking fern gametophyte crossed with ebony spleenwort. In 1813, Henry Muhlenberg listed lobed spleenwort as "Asplenium rhizophyllum" var. "pinnatifidum", although he did not provide a description distinguishing the variety from the typical species. It was described as the species "A. pinnatifidum" by Thomas
American Type Founders typecasting operations moved to the Kelly plant in Elizabeth. Salesmen were put on a commission basis. Inventories were cut, faces discontinued, and production of several models of Kelly press as well as the Klymax Feeder was shut down. ATF was released from court supervision in 1936 and in 1938 a sales study was made making the following observations: the Kelly press was obsolete, body type was now the exclusive province of line-casters and display type would have to be the mainstay of type production, almost half of what ATF was selling was other manufacturers products that could easily be made