A new Clematis cultivar which is well suited to propagation from softwood cuttings in glasshouses. The medicine accommodating unit is disposed in a receiving space, and the medicine accommodating unit includes a medicine accommodating space and a first opening communicated between the receiving space and the medicine accommodating space. The drum 6 is provided around its rotating shaft 8 with rotatable members 7 adapted to rotate in synchronization with the drum 6 in the direction in which the drum 6 rotates.