It has recently been noted by a correspondent of the Bulletin of the Torrey Botanical Club that a large proportion of introduced or common weeds are distasteful to cattle, and that their wide distribution through waste ground is chiefly owing to this fact, rather than to any special adaptation to climatal conditions over the species they displace. Not being agreeable to cattle, they mature seeds, and in this way have special advantages not accorded to those which are continually cropped. - Independent.