THE following list of herbaceous peren- nial plants includes the most popular plants for borders, rockeries, and other parts of the amateurs garden: Acsena. Trailing plants, suitable for the rock garden. Plant in autumn or spring in any ordinary soil in a shady position. Increase by seeds in March; by cuttings or by division of roots in spring.
A. Bvchanani, with its silvery-green foliage and crimson burrs, is particularly attractive.
Acantholimon. Hardy evergreens, most suitable for the rock garden. Plant in autumn or spring in sandy loam in crevices and pockets of the rockery where it is hot and dry. These plants can easily be raised from seed sown when ripe. Cuttings may be rooted in a cold frame in the summer months, or the plants may be layered during the same period. The best species for the amateur is A. glumaceum, which has dark green spiny cushions with pink flowers, June. Height 4-in.