Rosario 4041 Rose regular petals inserted on the calyx, num- erous stamens, and a variable pistil. Among the genera are Rosa, Pyrus, Mcspilus, Rubus, Geum, Dryas, Potentilla, Fragaria, Spiraea, and Prunus. Rosario, town, Argentina, in the province of Santa Fe, the second largest city of the country, on the Parana River. It is a flour- ishing modern town, the terminus of six rail- ways, a port, and an emporium of commerce. Large sugar refineries are situated here; p. 265,000. Rosary, or Prayer Beads, a string -of beads of various sizes by means of which count is kept of prayers. In-the rosary used in the Roman Catholic Church the smaller beads represent Ave Marias, the larger Pater- nosters. The ordinary rosary consists of fifty-five beads, each ten Ave Marias being separated by a Paternoster. /The rosary of the Blessed Virgin consists of fifteen decades of prayers, containing fifteen paternosters and doxologies, and 150 Ave Marias. The lesser rosary is composed of a third of these exercises. Rosary Sunday, instituted by Greg- ory xm., is the first Sunday in October. Rosas, Juan Manuel (1793-1887), Argen- tine dictator, was born in Buenos Ayres. In 1829 he became governor, and in 1835 dicta- tor, of Buenos Ayres. His energetic rule soon restored tranquillity to a province dis- tracted by twenty years of civil strife, and his 'League of Governors' was the germ of the Argentine Republic. Rosdher, Wilhelm (1817-94), German political economist, was born in Hanover. In 1848 he was called to the chair of political economy at Leipzig, and there he remained, exercising a wide influence, until his death. Not the least valuable of his writings are his critiques of early writers on economics. Roscius, Quintus (?-6a B.C.), the most famous comedian of ancient Rome, was born in Solonium, near Lanuvium, He was pat- ronized by the dictator Sulk, and was an intimate friend of Cicero. Roscoe, Sir Henry Enfield (1833-1915), English chemist, born in London, was a grandson of William Roscoe, the historian. He was professor of chemistry at Owens Col- 'lege, Manchester, 1857-1887, and vice chan- cellor of the University of London, 1896- 1902. His chief chemical researches were on vanadium and the chemical action of light. Roscoe, William (1753-1831), English historian, was born in Liverpool. His num- erous writings include a protest against the slave trade (Wrongs of Africa, 1787-88), oi which he was a staunch opponent, but it is as the historian of Lorenzo oV Medici (1795), and of Pope Leo x. (1805), that he is best remembered. Roscommon, inland county, Ireland, in the province of Connaught; with an area of 915 sq. m. The surface is level or undulating with hills in the n. Agriculture is the princi- pal industry; p. 93,904. Rose (Rosa), a genus of ornamental shrub? grown chiefly for their beautiful flowers and handsome foliage. They are found in all countries of the world and are native to al) except parts of South America and the trop- ics. Rose cultivation is among the oldest branches of horticulture and the rose is a prime favorite among all lovers of flowers Roses are mostly low, medium sized shrubs, usually with prickly stems, odd-pin- nate leaves, and large solitary or clustered flowers ranging in color from a deep rich crimson to white and yellow. There are single and double varieties, wild and cultivated; climbing, bushy, dwarf, and tall; some ex- ceedingly fragrant, some practically odorless. For practical purposes, roses may be di- vided into two great classes: summer roses, blooming in May, June, and July; and au- tumn roses, blooming from May until the frost comes. Among the summer roses are the Provence Rose (R. centifoHa); the Moss Rose; the Damask Rose (R. damascened; the Sweet Briars (R. rubiginosa); the Poly- antha roses (R. mvltiflora), among which are the well known Crimson Ramblers; and the Wichuraiana roses (R. wichuraiana), which include the Dorothy Perkins, Minne- haha, Gardenia, Lady Godiva, and other popular varieties. The autumn roses, which comprise species that flower several times from May to October, include Hybrid Per- petual Roses; Tea Roses; Noisette Roses; Japanese Roses (R. nigosa); and many others. Roses are propagated from seeds, buds, cuttings, and grafts. New varieties are grown from seeds planted in carefully prepared and well-manured beds. The ideal soil is a rich deep loam, but clay cr sand may be used if 'properly manured. The rose bed should be carefully drained, as roses are in- jured by excessive moisture. Planting may be done either in autumn or spring, autumn being preferred when the winters are not to& severe. During planting, the roots should be kept away from the wind and not allowed to become dry; they should have plenty of room, and should point downward, rather than spread out flat. The spaces around the