The Lucerne Dodder.
Cuscuta hassiaca, Pfeiffer.
This species was first observed on lucerne in the Canterbury District. The seed had been imported from California. In some parts of the field it was most abundant, and had extended its operations to the sorrel, knot-grass, and other weeds which grew sparingly amongst the crop. The following season the
lucerne was very weak and thin, but there was very little dodder; subsequently the crop died out. The lucerne dodder has been observed in several localities in the Canterbury District.