The myrtaceous fruits comprise an interesting lot of aromatic things, and with blossoms bearing many long and conspicuous stamens. The Myrtaceae include many of the spices, as clove, cinnamon, allspice, nutmeg. The eucalyptus belongs here; also such ornamental plants as myrtus, callistemon, metrosideros, melaleuca. The guava is the most important pomological fruit of the family. Most of the guavas belong to what is usually considered to be a single species, although several Latin names have been applied in the group.