Pineapple 3738 Ping-pong slopes. They are distinguished by their needle-like leaves in clusters of one to five. The fruit of the pine is a woody cone matur- ing in two or three years. Most of the species fall into two fairly well-marked groups —'hard' pines and 'soft' pines. The hard pines are heavier and darker-colored, ranging from yellow to deep orange or brown. The soft pines are lighter, and range in color from light red to white. When once well seasoned, pine wood is not subject to the attacks of boring insects. The straight- growing, tapering stem Łts in for masts and spars. Perhaps the most valuable American species is the white pine (P. strobus), a tall statelv tree from 100 to 120 ft. in height, found from Newfoundland to Manitoba and as far south as Northern Georgia. Another species of great economic importance is the long leaved P. palustris, also known, as Georgia pine. Among the western pines is the valuable yellow or bull pine (P. ponder- osa), a gigantic tree (300 ft.) with a narrow spire-like head, which forms in the Western United States the most extensive pine for- ests in the world. There are several pines which have edible seeds. In the West are the small, irrgular pinon (P. edulis], the dig- ger or bullpine (P. sabiniana), and others. These furnish a staple food supply for the Californian Indians. Pineapple (Ananas sativa), a plant be- longing to the natural order Bromeliaccac. widely cultivated for its fruit. The plant grows to a height of from three to four Pineapple, feet, bearing long, rough edged, ridged and sharp-pointed leaves from the center of which springs up the flower stem—later turning to fruit. The pineapple grows in warm climates, the West Indies, the Bahama Islands, Florida, the Azores, parts of North Africa and more especially the Hawaiian Islands, which have that porous, well drained soil, and alternate wet and dry climate in which it thrives best. Pine Bluff, city, Arkansas, co. seat of Jef- ferson co., on the Arkansas River. Here are situated the State Branch Normal School, the Merrill Institute, St. Joseph's Academy, and a girls' industrial school. There is a large wholesale trade; the city was settled in 1832; p. 21,290. Pinero, Sir Arthur Wing (1855-1934), English dramatist, was born in London. Commencing a legal career, he afterwards became connected with the stage, and acted at the Lyceum and Haymarket theaters, London. He became a master of the tech- nique of playwrighting. Beginning with The Money Spinner (1880) he produced a series of remarkable farces and problem plays, as well as sentimental pieces. His plays, es- pecially Trelawney of the Wells and The Second Mrs. Tangueray, attracted many fa- mous actors and actresses. The latter was translated in several languages and acted in by Mrs. Patrick Campbell and Eleonora Duse. His later plays included The En- chanted Cottage, The Gay Lord Quex, Mid- Channel, and A Cold June. Pinerolo, tn., prov. Turin, Italy. The prison is famous for having held the Man in the Iron Mask from 1679 to 1681, and also Fouquet; p. 18,039. Pines, Isle of, an isl. 35 m. s. of Cuba, to which it belongs. Area, 1,214 sq. m. The scenery is picturesque, the climate mild and healthful, the soil light. The island was dis- covered by Columbus in 1494, an<3 was long a resort for pirates; p. 3,199, chiefly concen- trated in the town of Santa Fe and the cap- ital, Nueva Gerona. Pine Snake, or Bull Snake. A large, variegated, harmless serpent (Pityophis met- anoleucus) common in the pine»covered country of the southern coast-region of the United States, noted for the loud blowing noise it makes when angered. Pine-tree Shilling, money coined in Mas- achusetts from 1652 to 1682, deriving the name from the figure of a pinctree stamped on one side. There were also 'pine-tree7 threepence and sixpence pieces. Ping-pong, or Table TennU, a game that suddenly became popular in xgox, and ha* recently been revived* It is for two or four