. The bulb book; or, Bulbous and tuberous plants for the open air, stove, and greenhouse, containing particulars as to descriptions, culture, propagation, etc., of plants from all parts of the world having bulbs, corms, tubers, or rhizomes (orchids excluded). Bulbs (Plants). ELISENA THE BULB BOOK ERANTHEMtJM E. azurea.—A Brazilian aquatic, with thickish green, smooth and flexuose stems about an inch thick. The leaves are from 3 to 8 ins. across, roundish, heart-shaped, or rhomboidal,. Fig. 122.—EichhoTnia azurea. (^.) the blade being more or less twisted. The clear, pale blue, funnel-shaped bl
. The bulb book; or, Bulbous and tuberous plants for the open air, stove, and greenhouse, containing particulars as to descriptions, culture, propagation, etc., of plants from all parts of the world having bulbs, corms, tubers, or rhizomes (orchids excluded). Bulbs (Plants). ELISENA THE BULB BOOK ERANTHEMtJM E. azurea.—A Brazilian aquatic, with thickish green, smooth and flexuose stems about an inch thick. The leaves are from 3 to 8 ins. across, roundish, heart-shaped, or rhomboidal,. Fig. 122.—EichhoTnia azurea. (^.) the blade being more or less twisted. The clear, pale blue, funnel-shaped blossoms appear during the summer months, and are scattered or in pairs along a stout hairy rachis or main stem. (Bot. Mag. t. 6487.) E. speclosa (Pontederia crassipes) is similar, but has no thickish root- stocks, and produces fine spikes of blue flowers (Bot. Mag. t. 2932). ELISENA (after Princess Mise, sister of Napoleon the Great). Nat. Ord. Amaryllidese.—A genus closely related to Hymenocallis, containing three species of Peruvian plants with tunicated bulbs, strap-shaped leaves, 204 and broadly funnel-shaped flowers having long linear segments. The species mentioned below are all natives of the Andes of Peru and Ecuador, and require to be grown in a warm greenhouse. They flourish in a compost of loam and sand in about equal proportions, with a little well- decayed cow-manure or leaf-soil added. The simplest method of increase is by offsets from the old bulbs. Seeds, however, if obtainable, may be sown in sandy loam and peat, or a little leaf-soil. B. longipetala.—This is the best- known species, having being intro- duced about 1837. It grows at an altitude of 6000 to 8000 ft. on the Andes of Peru and Ecuador, and has long-necked bulbs ]| to 2 ins. in diameter, from which arise about six strap-shaped, pale green leaves about 1^ ft. long and ] J ins. broad. About May and June, from five to ten white flowers, each with a funnel-shaped staminal cup and linear segments a
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