. Cassell's popular gardening. Gardening. PROPAGATION. 129 ground stems or stolons, analogous to what is seen in the reproductive character of the Strawherry. The same character is met with among Amaryllida- ceous plants, Orlnums and Agaves heing the com- monest examples. It is generally supposed that Cordylines (Dracaenas) are propagated from root- cuttings, ⢠hut the portions of the plants thus em- ployed appear to he forms of the stem rather than true roots. It is, however, often difficult to dis- criminate between such parts and roots proper. In Burhidge's " Propagation and Improveme
. Cassell's popular gardening. Gardening. PROPAGATION. 129 ground stems or stolons, analogous to what is seen in the reproductive character of the Strawherry. The same character is met with among Amaryllida- ceous plants, Orlnums and Agaves heing the com- monest examples. It is generally supposed that Cordylines (Dracaenas) are propagated from root- cuttings, ⢠hut the portions of the plants thus em- ployed appear to he forms of the stem rather than true roots. It is, however, often difficult to dis- criminate between such parts and roots proper. In Burhidge's " Propagation and Improvement of Plants," it is stated that the thick roots of Platy- ceriums wUl develop plants if employed as cuttings. I am not aware of any Fern the roots of which would develop huds, nor does there appear to he any record of such having been seen except that here mentioned. The thick iieshy roots of Dahlias, Aspa- ragus, Alstroemerias, Bomarias, Dichorisandras, and some others are useless for purposes of propagation unless attached to portions of the stem; at least, I have never succeeded in getting plants from these tubers when entirely severed from the stem. Such organs appear to be meant to act as reservoirs, m which food is stored against unfavourable conditions. In the subjoined list the names of those plants which may be increased from root-cuttings are given. Most of them have been successfully propagated in this way at Kew, and the whole of them may be considered well proved. It wiU be obvious, in what is above stated, that a gi'eat number of plants would probably prove capable of increase by means of root- cuttings, so that in any doubtful case it will be advis- able to try the roots, especially of plants not readily propagated by any of the common methods. List of plants which may be propagated from root-cuttings:â Acacia ^andis, A. pubescens. A. pulchella. Acalyphas. Anemone Japonica. Apples. Aralia Japouica. A. cordata. A. ps,T)yrifera. Araucarias (?) Aristolochia
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