The note reads: “Ts'ong, hsiao chiao. I know where to find the Latin name hulu, no use sending, no dried. But will try to find people to identify it here in the Botany dept. We must put proper name in when considering proof of the paper.”

The mention of the paper at the end suggests that the specimens are connected to a research publication Lu Gwei-Djen was working on with Joseph Needham.