The genus Cryptocoryne (Araceae) was established by Fischer for the reception of two Indian species, Cryptocoryne spiralis and Cryptocoryne ciliata, which had been described under Ambrosinia by Roxburgh. Additional species were described by Roxburgh, Schott, and other botanists, while in Beccari, Malesia, Engler described eleven new species from Borneo and gave a conspectus of twenty-four known species. In Flora British India, Hooker enumerated sixteen species, and in Flora of Ceylon, five species. The total number of species is now over thirty, confined to the Eastern Tropics...