AECD-3446 duced viable seed, for masses of new young seedlings could be seen germinating duce pee the dead remnantsof the original patch, while the areas between the patches “gare‘devoid of vegetation, Bite.“through to fruition. These seedlings grew vigorously and would apparently Ne phenotypic mutants were observed on Engebi in Se “portulaca, but there were certainly differential effects upon the plants. Some were arly, if not wholly, sterile, producing many seeds that were shrivelled, empty, — an abundant crop of apparently healthy seedlings. In the time elapsed, ‘ maoe second crop had been exposed long enough to be affected by the die- Se é 440 yards from the center. One could only wish that this pestiferous ne‘sendbur would completely die out here and elsewhere. Unfortunately there were __aayhealthy, fertile plants also, tbuormalities were seen in several species. and bearing reduced, linear blades. iddulph on Runit. Ipomoea tuba showed Several like this were collected Another on Engebi had the blades asymmetric,