On several instances of the anomalous development of the raphe in seeds : and the probable causes of such deviations from the usual course of structure, especially in reference to Stemonurus (Urandra of Thwaites) : with some prefatory remarks on that genus / by John Miers ; read April 15, 1856.
Transactions of the Linnean society Vol. 22 (1859), p. 97-112