Gardeners' Chronicle, Horticultural Trade Journal, p. 541 (June 25, 1859)
Geraniums struck from roots.

The accompanying is a specimen of propagating this class of plants by roots. I don’t know if it is generally known. I find it very useful. Roots cut into short pieces at any time of the year grow just covered with earth. If put in in the autumn they will push in spring; any time during summer they are up in a few weeks.—W. W.