Propagation may be effected by seeds sown in a pot plunged in water nearly to the level of the soil; or by divisions.

Ulex (Furze, Gorse, Whin). Leguminosæ.

Propagated by seeds or by cuttings.

Ulmus (Elm). Urticaceæ.

Usually propagated by stratified seeds. Layers are sometimes made, and suckers may be taken. The varieties are grafted on common stocks.

Unicorn Plant. See [Martynia].

Uvularia, including Oakesia (Bellwort). Liliaceæ.

Seeds; usually by divisions.

Vaccinium (Swamp Huckleberry, Whortleberry, Blueberry, Bilberry, Cranberry). Vacciniaceæ.

Seeds, layers, root-cuttings, and divisions of the old plants. Some species by hard-wood cuttings, for which see Cranberry. Huckleberry seeds are small and somewhat difficult to grow. The seeds should be washed from the fruits and stored in sand in a cool place until late in winter. They are then sown in pans or flats on the surface of a soil made of equal parts sand and loam. Cover with fine sphagnum and keep in a cool house or frame, always keeping the seeds moist. Seeds treated in this way may be expected to germinate in a month or two, although they may lie dormant a year. Transplant frequently and keep shaded until large enough to shift for themselves. Layers should be tongued. Cuttings, two or three inches long, of the best roots, made in fall and placed in mild bottom heat in early spring, often give fair satisfaction. Native plants can be obtained from the woods and fields which will give good satisfaction if small specimens are taken.