. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 2. Polanisia trachysperma T. & Large- fiowered Clammy-weed. Fig. 2119. Polanisia traehysper & G. Fl. N. A. Jacksonia trachysperma Greene, Pittonia 2: 175. 1891. Similar to the last, but flowers twice the size (4"- 6" long); style slender, 2"-^" long; stamens much exsertcd, often twice the length of the petals; fila- ments purple, conspicuous;

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. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 2. Polanisia trachysperma T. & Large- fiowered Clammy-weed. Fig. 2119. Polanisia traehysper & G. Fl. N. A. Jacksonia trachysperma Greene, Pittonia 2: 175. 1891. Similar to the last, but flowers twice the size (4"- 6" long); style slender, 2"-^" long; stamens much exsertcd, often twice the length of the petals; fila- ments purple, conspicuous; pod slightly larger, nearly or quite sessile. Family 40. RESEDACEAE S. F. Gray, Nat. Arr. Brit. PI. 2: 665. 1821. F.\MILV. .Annual or perennial lierbs, rarely somewhat woody, with alternate or fascicled leaves, gland-like stipules and racemose or spicatc, bracted flowers. Flowers unsymmetrical. 4-7-parted, more or less inequilateral. Petals generally 4-7, cleft or entire.' hypogynous. Disk fleshy, hypogynous, i-sided. Stamens 3-40, inserted on the disk; filaments generally uneqtial. Ovary i, compound, of

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913