- Simple artistic methods of ornamental planting with trees, shrubs, vines, and herbaceous perennials can now be introduced, and some scheme for improving the school grounds outlined. - "Ontario Teachers' Manuals: Nature Study", Ontario Ministry of Education.
- Herbaceous cuttings made in the summer must be kept under glass until the following spring. - "Manual of American Grape-Growing", U. P. Hedrick.
- They are annual herbaceous plants, rising with strong erect stems to the height of from six to nine feet, with fine handsome foliage. - "Tobacco; Its History, Varieties, Culture, Manufacture and Commerce", E. R. Billings.