Comments.

Comments on a paper by Sue Colledge and colleagues that utilized archaeobotanical data from aceramic sites in southwestern Asia and southeastern Europe to elucidate the origin and spread of farming. Neolithic way of life; Unevenness of the evidence on origins and diffusion; Identification of vegetational signatures on the basis of similar patterns of taxon presence; Comparison of the Central Anatolian assemblages with the PPNB sites of the Levant.