GRAY PINE; JACK PINE; SCRUB PINE (Pima divarieata, Mont de Cours). 40 to 70 feet. Tall tree with open, sym metrical head, or crouching, sprawling habit; branches long, spreading, made ragged by the clumps of old cones, and shed ding, rusty foliage. Bark rough, thin, reddish. Wood light, orange or pale brown to white, weak, close-grained, used for canoe frames by Indians, for railroad ties and fuel. Leaves rarely 2 inches long, in 2's, the bundles scattered, yellowish green, becoming dark and rusty gray, falling irregularly for several years. Flowers staminate pale yellow spikes, crowded;
pistillate clustered, dark purple cones, on new growth. Fruits tapering, curved, without stems, erect, purple, becoming yel low, shining, with minute prickles. Dist.: Northern Canada to middle of northern tier of states, and west to the Athabasca River. Forests of it cover barren plains in Michigan and in the far North.