. The Book of gardening; a handbook of horticulture. Gardening; Horticulture. ON ROCK PLANTS. 297. Fig. 177.—Phyteuma Charmelii. ift! high; the flowers are bright yellow, very fragrant, and are produced from May to August. Phlox is a genus yielding several dwarf perennial species suitable for the rock garden, such as P. amcena and P. subulata, which are treated under " Spring- Bedding ; Phyteumas are charming plants for sunny situations; they are increased by seeds or by division. P. Michelii grows 6in. high, and bears heads of reddish flowers during June and July. P. orbicula
. The Book of gardening; a handbook of horticulture. Gardening; Horticulture. ON ROCK PLANTS. 297. Fig. 177.—Phyteuma Charmelii. ift! high; the flowers are bright yellow, very fragrant, and are produced from May to August. Phlox is a genus yielding several dwarf perennial species suitable for the rock garden, such as P. amcena and P. subulata, which are treated under " Spring- Bedding ; Phyteumas are charming plants for sunny situations; they are increased by seeds or by division. P. Michelii grows 6in. high, and bears heads of reddish flowers during June and July. P. orbiculare grows ift. high, and produces violet-purple flowers, in spherical heads, from June to August. P. Scheuchzeri produces blue flowers in May, and grows from 6in. to i2in. high; its variety Charmelii, generally known as P. Charmelii (Fig. 177), also has blue flowers, in round heads, and is an excellent plant for a well-drained position on the rockery. Primula is an extensive genus of alpine perennials, con- taining many species suitable for rock-garden culture. Propagation is usually effected by seeds, though some- times the old plants may be carefully di- vided. P. cortusoides produces umbels of rose-coloured flowers during May; the scapes are <pin. high. P. i denticulata is a hand- i some species, thriving : well in a light moist 1 soil. The leaves are i covered underneath i with a white mealy - substance; the flowers I are lilac, and are pro- 1 duced in large globular jheads on scapes up- wards of 12b. high. ' Its variety cashmeriana \}s a splendid form, having violet-purple flowers with yellow 'eyes. P. floribunda has small golden-yellow flowers produced. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Drury, William D. , 1857-1928; Abbott, J. M. London, L. U. Gill; New York, C. Scribner's Sons
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