Nephrodium. See [Ferns].
Nephrolepis. See [Ferns].
Seeds, for new varieties. Commonly increased by means of bulbels.
Nerium (Oleander). Apocynaceæ.
Layers. Cuttings should be made of matured leading shoots, inserted in single pots and placed in a close, warm frame; or they may be rooted in bottles of water and afterwards potted in soil. See [Fig. 52], a.
Nertera, Nerteria. Rubiaceæ.
Increased by seeds, divisions, or cuttings. Any small portion will grow freely, especially if placed in a warm frame.
Nesæa, including Heimia. Lythrarieæ.
May be increased by means of seeds, divisions, or green cuttings.