. The Book of gardening; a handbook of horticulture. Gardening; Horticulture. ON AQUATIC PLANTS. 919 proliferous buds formed on the sterile fronds which, if laid on wet soil, soon develop into plants. Cyperus alternifolius.—This well-known and handsome plant needs no describing. It is very accommodating, suiting itself to ordinary pot culture, and thriving equally well when treated as an Aquatic with its roots submerged in water, in which position it is strikingly effective. C. a. variegatus is equally as handsome and effective as the type, although a little less sturdy in its growth. C. natak
. The Book of gardening; a handbook of horticulture. Gardening; Horticulture. ON AQUATIC PLANTS. 919 proliferous buds formed on the sterile fronds which, if laid on wet soil, soon develop into plants. Cyperus alternifolius.—This well-known and handsome plant needs no describing. It is very accommodating, suiting itself to ordinary pot culture, and thriving equally well when treated as an Aquatic with its roots submerged in water, in which position it is strikingly effective. C. a. variegatus is equally as handsome and effective as the type, although a little less sturdy in its growth. C. nataknsis is a very desirable and handsome plant, with tufts of numerous long, narrow, deep-green leaves gracefully disposed. Like C. alternifolius, it is an excellent subject for ordinary pot culture, and thrives equally well with its roots submerged in water. Height 2ft. to 3ft. C. Papyrus {Papyrus antiquorum, Egyptian Paper Reed) is a particularly ornamental plant, having erect, long, triangular stems, surmounted with umbels of pendent thread-like leaves, which present a graceful and very effective appearance. It is of vigorous growth, and although usually treated as an Aquatic, it may be successfully grown in a pot placed in a pan of water. This species is also historically in- teresting from the fact that it was the plant which yielded the Papyrus of the ancient Egyptians. Height 8ft. to 1 ElCHHORNIA AZUREA (Pontederia azurea, Blue Water-Hyacinth) (Fig. 608).—This is a very desirable Aquatic, with stout, erect - growing scapes, bearing numerous clear lavender - blue, funnel-shaped flowers; the upper and larger segments are marked in the centre with a yellow heart - shaped blotch, margined with white, and the three inner ones are deeply toothed, which imparts to the flowers a pretty delicately- fringed appearance. It is a very free-flowering and vigorous- FlG. 608.—ElCHHORNIA Please note that these images are extracted from scanned page images that may have
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