English plurals. English nouns are inflected for grammatical number, meaning that if they are of the countable type, they generally have different forms for singular and plural.
Growing Daylilies. We'd describe the Daylily as the backbone of the perennial garden except that would do a disservice to this most durable plant -- backbones, as every gardener knows, are fragile things, whereas Daylilies are close to indestructible.
Division 7 lilies are Oriental Hybrids. Not to be confused with Asiatic Hybrids, these lilies can grow to 5 feet high, bloom in late summer, and have a strong, enchanting fragrance. Division 8 lilies are Interdivisional Hybrids, or varieties of lily created by crossing plants of the 7 previous divisions. Division 9 is made up of Species lilies. These are the pure, wild parents of the first 8 hybrid groups and are often harder to grow than hybrids.