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Gteasewoo(dS atcobat**sr miaiatus (Hook.) Torr.) is an indigeoous piny shrub found on moist alkali-sodic soils in southeastetn Montana- Flowering is primarily in lugust, seed matures in Ocrober. and seed shaner begins in November. Filled seed percenrages ranged lrom 16 to 94. Highly viable dewinged seed numbered 425 per gm. lWhen rhd membinous pericarp is rupturcd, germination-a simple uocoiling of the embryo-may occur jn less tban an hour and rooi hairs may appear in less rhan 24 hours. Rapid imbibition occurs wheo the pericarp is fully intact; howevef,. germination is slos and many achenes do not germinate even -afrer 3b days;f beitr; fu[y imbibed. Germination peaL was in two days, and germination .was 98 lercert...