I; ft, scarlet; and L grandfflora, I to 2 ft., with clusters of scarlet, crimson, pink and white flowers. All large-flowered and showy, but require a httle protection in winter.

Lyszmachza.-The best known is the Creeping ]enny, L. Nummularza, much used for trailing] over rockeries and window boxes, with bright yellow flowers. T e variety aurea with golden leaves is also popular. Other species that grow from 2 to 3 ft. high, and are good border plants, are L clelhrozdes, with white spikes of flowers, L. vulgarzs, L. thyrszjlora, L. czluzla, L. vertrcrllata and L. punclala, all yellow.

Malza -M moschala, 2 ft., with a profusion of pale pink or white flowers, and musky deeply cut leaves, though a British plant, is Fvorth introducing to the flower borders when the soil is light and ree.

Meconopszs -The Welsh poppy, M. cambrwa, I to 2 ft. high, vellow, and M. Wallzchz, from the Himalayas, 4 to 6 ft. high with pale blue flowers, are the best known perennials of the genus. The last-named, however, is best raised from seeds every year, and treated like the biennial kinds.

Merteusza.-M. vzrgzmca, I to 1% ft., azure blue, shows flowers in drooping panicles in May and June. It does best in shady peat borders.

Mzmulus.-Monkey-flower. Free-blooming, showy scrophulariaceous plants, thrivin best in moist situations. M. cardmalzs, 2 to 3 ft., has scarlet flowers, with the hmb segments reflexed; M. luteus and its many garden forms, I to 1% ft., are variously coloured and often richly spotted; and M cupreus, 8 to 10 in., is bright coppery-red Ill. moschalus is the Musk-plant, of which the variety Harrzsom is a greatly improved form, with much larger yellow flowers.

Monarda -Handsome labiate plants, flowering towards autumn, and preferring a cool soil and partially shaded situation. M. dzdyma, 2 ft., scarlet or white; M. jistulosa, 3 ft., purple, and M. purpurea, 2 ft., deep purple, are good border flowers

M uscarz.-Pretty dwarf spring-flowering bulbs. M. bolryouies (Grape Hyacinth), 6 in., blue or white, is the handsomest; M. moschatum (Musk Hyacinth), IO in, has peculiar hvid reenisnellow flowers and a strong musky odour; M. monslrosum %Feather Hyacinth) bears sterile flowers broken up into a feather-like mass. Good garden soil

Myosotidzum nobzle.-A remarkable plant, Ig to 2 ft. high, with large blue forget-me-not-like flowers Requires gritty peat soil and cool situations, but must be protected from frost in winter. Myosotas.-Forget-me-not. Lovely boraginaceous plants. M. dzssmflora, 6 to 8 in., with large, handsome and abundant sky-blue flowers, is the best and earhest, flowering from February onwards; it does well in hght cool soils, preferring peaty ones, and should be renewed annually from seeds or cuttin s M. ruprcola, 2 to 3 in, intense blue, is a fine rock plant, preferring shady situations and gritty soil; M sylvanca, I ft., blue, pink or white, used for spring bedding, should be sown annually in August.

Narczssus.-See N ARCISSL S.

Nepeta -N. lllulsmu, I ft, is a compactly spreading greyishleaved labiate, with lavender-blue flowers, and is sometimes used for bedding or for marginal hnes in large compound beds. Nzerembergza -N rzzularzs, 4 in, from La Plata, has slender, creeping, rooting stems, bearing stalked ovate leaves, and large funnel-shaped white HO€I'S, with a remarkably long slender tube; especially adapted for rockwork, requiring moist sandy loam. Nymphaea.-See WATER-LILY.

Oenothera -The genus of the Evening Primrose, consisting of showy species, all of hich grow and blossom freely in rich deep soils Oe nzzssourwnszs (macrocarpa), 6 to 12 in, has stout trailing branches, lance shaped leaves and large yellow blossoms; Oc taraxaczfolza, 6 to 12 in, has a stout crown from which the trailing branches spring out, and these bear very large white flowers, changing to delicate rose; this perishes in cold soils, and should therefore be raised from seed annually. Of erect habit are Oe. speczosa, I to 2 ft., with large white flowers; Oe. frutzcosa, 2 to 3 ft., with abundant yellow flouers; and Oe serotma, 2 ft, also bright yellow. Omphalodes -Elegant dwarf boraginaceous plants. O. verrza, 4 to 6 in, a creeping, shade-loving plant, has bright blue flowers in the very early spring, O Lucrluw, 6 in., has much larger lilac-blue flowers, and is an exquisite rock plant for warm, sheltered spots. Light sandy soil

Onosma -O taurzca, 6 to 8 in, is a charming boraginaceous plant from the Caucasus, producing hispid leaves and cymose hcads of drooping, tubular, yellow flowers. It ls of evergreen habit, and requires a arm position on the rockwork and well-drained sandy ?o1l, or a duplicate should be sheltered during inter in a cold, dry rame

Ormlhogalum.-The Star of Bethlehem. O. arabzcum can only be grown in the warmest parts of the kingdom, and then requires protection in winter. Other species, all bulbous, are O nutans, O pyrarmdule, O pyrenazcum, and the common Star of Bethlehem, O umbellatum, all are easily grown, and have white flowers Oslrowskya mugmfica -A magnificent bell flower from Bokhara, 4 to 5 ft high, and white flowers tinted and vemed with lilac, 3 to 5 in across Requires rich, gritty loam of good depth, as it produces tuberous roots I to 2 ft long

Ourzsza.-Handsome scrophulariaceous plants, from Chile, thriving in moist, well-drained peaty soil, and in moderate shade. O. coccmea, I ft., has erect racemes of endent crimson flowers Papaver.-'I he Poppy. l)/ery showy plants, often of strong growth, and of easy culture in ordinary garden soil P. or zen tale, 3 ft., has crimson-scarlet flowers, 6 in. across, and the variety bracteatum closely resembles it, but has leafy bracts Just beneath the blossom P. alpmum, 6 in, white with yellow centre; P. uudzcaule, I ft. yellow, scented, and P. pzlosurn, I to 2 ft, deep orange, are ornainental smaller kinds.

Penlstemon -The popular garden varieties hae sprung from P Hartwegn and P. Cobaea. Other distinct kinds are P. campanulatus, Il ft, pale rose, of bushy habit, P. hurmlzs, 9 in, bright blue, P. specrosus, cyauauthus and Jajrayanus, 2 to 3 ft, all bright blue, P. barbatus, 3 to 4 ft., scarlet, in long terminal panicles, P Murrayfmus, 6 ft., with scarlet flowers and connate leaves, and P Palmerz, 3 to 4 ft, with large, wide-tnbed, rose-coloured flowers Petasrtes.-P. fragrans, the Winter Hehotrope, though of weedy habit, with ainple cordate colts foot-like leaves, yields in January and February its abundant spikes, about I ft high, of greyish flowers scented like heliotrope; it should have a corner to itself. Phlomzs -Bold and showy labiates, growing in ordinary soil. P. Russellzana (lunarzaefolza), 4 ft., yellow, and P. luberosa, 3 ft, purplish-rose, both with downy hoary leaves, come in well in broad flower borders

Phygelzus.-P. capenszs from South Africa is hardy south of the Thames and in favoured localities. Flowers tubular scarlet, on branching stems, 2 to 3 ft. high Requires hght, rich soil Physalzs.-P. Alkekeugz from South Europe has long been known in gardens for its bright orange-red globular calyxes. It has been surpassed by the much larger and finer P. Franchetz from ]apan; the brilliant calyxes are often 3 in. in diameter in autumn Grows in any garden soil.

Physostegza.-Tall, autumn-blooming labiates, of easy growth in ordinary garden soils. P. rmbrzcata, 5 to 6 ft., has pale purple flowers inclosingly imbricatcd spikes.

Phytolacca -Ornamental strong-growing perennials requiring much space. P. acmosa, from the Himalayas, 3 to 4 ft, with whitish flowers in erect spikes. P. decandra, the North American Poke Weed or Red Ink plant, grows 5 to IO ft. high, has fleshy >oisonous roots, erect purple stems and white flowers. P zcosandra, from Mexico, 2 to 3 ft., pinky white. The foliage in all cases is handsome. Ordinary garden soil

Plalycodon -P. grand1, fZorum,6 to 24 in. high, is a fine Chinese perennial with flattish, bell-shaped flowers, 2 to 3 in across, and purple in colours The variety Marzesz (or purmlurn) is dwarf, with arger, deeper-coloured flowers. Requires rich sandy loam. Podophyll-um.-Ornamental herbs with large lobed leaves. P. Emodz, 6 to 12 in. high, from the Himalayas, has large white or palerose flowers, and in autumn bright red, hen's-egg-like fruits. P. peltalum, the North American mandrake, has large umbrella-like leaves and white flowers, P plezanthum, from China, purple. They all require moist, peaty soil in warm, sheltered nooks Polemomum.-Pretty border flowers. P. coeruleum (]acob's Ladder), 2 ft, has elegant pinnate leaves, and long panicles of blue rotate flowers. The varietv called varwgatum has very elegantly marked leaves, and is sometimes used as a margin or otherwise in bedding arrangements. Good garden soil.

Polygonalum -Elegant hhaceous plants, with rhizomatous stems. P. rnullzflorum (Solomon's Seal), 2 to 3 ft, with archin stems, and drooping white flowers from the leaf asils, is a handsome border plant, doing especially well in partial shade amongst shiubs, and als? well adapted for pot culture for early forcing. Good gaiden soi .

Polygonum.-A large family, varying much in character, often weedy, but of easy culture in ordinary soil. P. vacczmrfolzum, 6 to IO in., is a pretty prostrate sub shrubby species, with handsome rose-pink flowers, suitable for rockwork, and prefers boggy soil; P. ajiue (Brunoms), I ft., decp rose, is a showy border plant, flowering in the late summer; P. cuspzdalum, 8 to 10 ft, is a grand object for planting where a screen is desired, as it suckers abundantly, and its tall spotted stems and handsome cordate leaves have quitc a noble appearance. Other fine species are P. baldschuamum, a chmber, P. sphaerostachyum, P. lamgerum, P. palysrachyum and P. sachalznense, all bold and handsome.

Potenhlla.-The double varieties are fine garden plants obtained from P. argyrophylla alrosangumea and P nepaler/.sts The colours include go den-yellow, red, orange-yellow, crimson, maroon .and intermediate shades. They all flourish in rich sandy soil Prrmula -Beautiful and popular spring flowers, of which many forms are highly esteemed in most gardens P vulgaris, 6 in, affords numerous handsome single- and double-flowered varieties, with various-coloured flowers for the spring flower-beds and borders. Besides this, P. S1, ebold11 (cortusozdes amoena), I ft., originally deep rose with white eye, but now including many varieties of colour, such as white, pink, lilac and purple; P japomca, I to 2 ft, crimson-rose; P derztzculata, I ft, bright bluish-hlac, with its allies P erosa and P. purpurea, all best grown in a cold frame; P. vzscosa, 6 in., purple, and its white variety rnwalzs, with P. pedemontana

and P spectabzlzs, 6 in, both purple, and the charming