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Charles Lefebvre Rose

IV. Biennial and Perennial Flowers.
ACANTHUS; aconitum (monk's hood); adonis; alyssum (distinct from sweet alyssum, an annual); aquilegia (columbine); hollyhock, of which the double varieties are elegant and in great variety of color; iberis (candytuft); linum, or ornamental fiox; lobelia; lychnis (flame flower); myosotis (forget-me-not); cœnothera (evening primrose); perennial poppy; perennial pea; penstemon; perennial phlox; pinks, including picotees and sweet William; primula (primrose); pyrethrum; rudbeckia; salvia; veronica (speedwell); and violet (sweet violet). These varieties may be named among the useful ornamental plants which either flower the second season or are perennial V. Summer Flowering Bulbs.
OF bulbs, tubers and roots, which include many that must be kept over winter in dry sand to prevent freezing, we may note: amaryllis (magnificent lily-like plants); gladiolus (sword-lily), and all the hardy lilies proper; dahlias, caladium, dicentra (bleeding heart), Maderia vine, Japan spirea, tritoma, tuberose (must be started very early, planted out when the nights are warm and freely watered), tulips and hyacinths.
