In addition, there survive extracts on agriculture and botany,Preserved in the Geoponica. mention of a commentary on Hippocrates, and a completely surviving treatise On all types of marble and wood ( perí marmáron ke padíon xýlon). In view of the drastic difference in subject matter, it is possible that these represent the work of a different Didymos.See Gräfenheim, Geschichte der klassische Philologie im Alterthum i.405, etc.
