This section is from the book "A Dictionary Of Modern Gardening", by George William Johnson, David Landreth. Also available from Amazon: The Winter Harvest Handbook: Year Round Vegetable Production Using Deep Organic Techniques and Unheated Greenhouses.
Araucaria imbricata.
Sisymbrium millefolium. Greenhouse evergreen shrub. Cuttings. Light soil.
Twenty-seven species. Hardy, half-hardy, greenhouse and stove herbaceous perennials. Seed, or offsets. Light soil.
Two species. Hardy herbaceous perennials. Division or seeds. Moist soil.
See Elater.
Sium Sisarum.
Sow at the end of March, or early in April, in drills one inch deep, and twelve inches apart. The seedlings will be up in five weeks. Weed and thin to twelve inches apart. In autumn, they will be fit for use like parsneps.
Old roots throw off these in the spring, when they may be slipped off", and planted in rows a foot apart each way.
A light loam is best, trenched, with a little manure dug in with the bottom spit.
To save Seed, let a few of the old roots run up in spring ; they will flower in July, and ripen their seed in the autumn.
Pedilanlhes.
See Calceolaria.
Two species. Stoveever-35 green trees. Ripe cuttings. Loam and pent.
Prunus spinosa.
Amomum cardamomum.
Lupinus nanus.
Pycnanthe-mum monardella.
Sabal Palmetto.
Thymus Piperella. •
Smeathmannia loevigata. Stove evergreen shrub. Half-ripened cuttings. Loam, peat, and sand.
Nine species. Hardy herbaceous perennials. Division. Light soil.
Three species. Stove trailing annuals. Seeds. Peat, sand, and loam.
Aristolochia ser-pentaria.
Antirrhinum and Silene antirrhina.
Judicia hysopifolia.
Achillea Ptarmica.
Snow is one of the gardener's best shelters, and should never be removed from his out-door crops. It prevents heat from radiating from them; protects them from freezing, drying blasts; and, being a bad conductor of heat, thus prevents its escape from them. I have never known the surface of the earth, below a covering of snow, colder than 32°, even when the temperature of the air above has been 28°. - Johnson's Principles of Gardening.
Viburnum Opulus.
Anemone sylvcstris, and Galanthus.
See Ashes.
Sobolewskia lithophila. Hardy annual. Seed. Common soil.
Soja hispida. Hardy annual. Seed. Common soil.
One hundred and thirty-six species, and some varieties. Stove and green-house evergreen shrubs and annuals; hardy annuals, deciduous climbers, herbaceous, and a few tuberous-rooted perennials. To this latter belongs S. tuberosum, the potato. The annuals are increased by seeds; the other species by seeds, cuttings, or tubers. Light rich soil suits them all.
Seven species. Hardy or half-hardy herbaceous perennials. Seeds or division. Peat and loam.
 
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