This section is from the book "The Garden Week By Week Throughout The Year", by Walter P. Wright. Also available from Amazon: The Garden Week by Week Throughout the Year.
Myosotis Palustris is the true Forget-me-not. It is a natural bog plant. The other species do well in moist soil, but are not really bad in light, dryish soil. There is a white variety of Palustris, and also a blue with a white eye.
Rupicola, with Gentian-blue flowers, is a charming rockery plant.
Sylvatica is the Wood Forget-me-not; there is a white variety of it. All the Forget-me-nots may be raised in quantity from seed in summer, and planted out in autumn for flowering in the following spring.
The Cat Mint (Nepeta Mussini) has its admirers. The flowers are lavender coloured.
The Nierembergias are graceful. They are shrubby plants growing about a foot high. Gracilis, with white flowers in summer, is the best known.
The Evening Primroses (Oenothera) ought to be well represented in gardens, as they are free-blooming and showy plants, whose beauty is not confined to eventide, as the popular name might suggest. Acaulis or Taraxa-cifolia, a dwarf species with white flowers, and its yellow variety Lutea, are excellent. Biennis, the ordinary Evening Primrose, is a larger and looser plant with pale yellow flowers. There is a fine variety of this often grown under the name of Lamarckiana. Caespitosa is a beautiful night-blooming species, with immense large, pure white, fragrant flowers; it is one of the finest of all. Drummondi Nana Alba is another valuable white sort. Fruticosa Major, yellow, is of medium height (about eighteen inches), and is one of the most free-blooming of all; the flowers are yellow. Missouriensis, or Macrocarpa, is a yellow-flowered trailer, one of the largest.
The Ononis, Or Rest Harrow, is a pretty plant. Rotundifolia has rosy flowers in late spring, and grows about two feet high.
The Golden Drop (Onosma Echioides Or Tauricum) is a charming yellow flower for border or rockery, and becomes an immense favourite with all who grow it.
The Asiatic Bellflower (Ostrowskia Magnifica) is less familiar than the preceding, but it is a splendid plant, and worth adding to any large border. It grows four feet high or more. The lilac flowers are bell-shaped.
The Poppies (Papaver) are, of course, an extremely valuable genus, giving us plants of rapid growth, handsome foliage, and large brilliant flowers. The yellow Alpine Poppy (Alpinum), and its varieties, which include white, orange, and pink, are pretty rockery plants. The Iceland Poppy (Nudicaule), yellow, and its numerous varieties, among which white, orange, striped, pale yellow, and semi-double are all favourites, are also excellent for rock gardens, as well as for beds. Blooming abundantly in late spring and early summer, their flowers are light, graceful, and pleasing. Among the larger perennial Poppies the varieties of Orientale, which grows three feet high, and has large scarlet flowers, are in great demand for mixed borders. One may get crimson, pink, orange, salmon rose, salmon orange, and semi-double scarlet, all with enormous flowers. Papaver Pilosum, with its "art " shade of orange buff, flowering in late spring, is a distinct and attractive Poppy; it grows about a yard high.
 
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