Letter from unknown, on a paper 'On the structure and affinities of fossil plants from the palæozoic rocks.— II. On spencerites, a new genus of lycopodiaceous cones from the coal measures, founded on the lepidodendron spenceri of Williamson' by Henry Dukinfield Scott to William Turner Thiselton-Dyer Every paper in the Philosophical Transactions should be accompanied by two written reports. He has told the Assistant Secretary of the Society that he will bear with him in producing a report. Subject: Botany [Published in Philosophical Transactions B, 1897]. 18 April 1897