170 KOSACEjE eosa. 



sanguisobba. 



* * * Naturalized species. 



K. RDBiGiNOFA L. Mant. 564. (sweet bbiee). Stems stout, armed 

 with stout, 1-ecurved Spines, without prickles, 4-6 feet high: stipules often 

 dilated: leaflets 5-7, elliptical or oblong-ovate, densely resinous beneath 

 and aromatic, doubly serrate: flowers small, on short hispid pedicels ; se- 

 pals pinnatifld, hispid: fruit large, subglobose to oblong ovate, 6-8 lines 

 long. Becoming common throughout western Washington and Oregon. 



Tribe II. Sanguisorbese Justi. Calyx-tube mostly indurated 

 and contracted at the mouth; the segments vnlvate or rarely imbri- 

 cate in the bud. Petals often wanting. Stamens 1-15, rarely 

 more. Carpels 1-2, rarely ' S-^, dry: style terminal or lateral: 

 stigma often plumose. Seed suspended very rarely ascending. 

 Radicle superior. 



2 BANGUISOEBA L. Gen. n. 146. 



Herbs with pinnate leaves petiolulate leaflets adnate stipules 

 and polygamous or perfect flowers in dense long-peduncled 

 spikes. Calyx-tube turbinate, contracted at the throat, persist- 

 ent, 2-3bracteolate, the limb 4-parted, petaloid, deciduous. 

 Petals none. Stamens 4-12 or none. Carpels 1-;-;, free from the 

 calyx ; styles terminal ; stigma tufted, ovule solitary, suspended. 

 Achenes dry included in the indurated _4- winged calyx-tube. 



S. officinalis L. Sp. 169. Stem simple, usually glabrous, 1-2 feet high, 

 much longer than the leaves, from a stout perennial root : leaflets about 4 

 pairs, ovate or oblong, cordate at base, coarsely serrate, J^-2 inches long, 

 on petioles 2-6 lines long : flowers deep purple or red, polygamous, in oV 

 long spikes 6-12 lines long or more; bracts often pubescent; calj'x-lobes 

 ovate-lanceolate, often acute, 1 line long; stamens but little if any longer 

 than the sepals: filaments filiform: fruit a line long. Common in cold 

 mountain marshes, Alaska to California and the Roeky Mountains. Also 

 Europe. 



S- media L. Sp. ed. 2, 169. Stems slender, simple, but little ' longer 

 than the leaves, glabrous, 1-3 feet high, from a stout perennial root: leaf- 

 lets elliptical to ovate or oblong, cordate with a deep narrow sinus, coarsely 

 serrate with rounded gland ular-apiculate teeth, 1-3 inches long, on stout 

 petioles 1-2 inches long, the lowest ones smallest: flowers dark purple, 

 in a dense oblong head ; stamens longer than the sepals ; filaments flat. 

 In marshes, Alaska and Brit. Columbia, perhaps northern Washington. 



S. Sitchensls C. A. Meyer Trautv. & Meyer Fl. Ochot. 34. Stem 

 stout, 2-4 feet high, from a stout perennial root, paniculately branched 

 above: leaves ample, 1-3 feet long; leaflets 13-21, oblong to ovate, 1-3 

 inches long, coarsely and often doubly serrate with acute gland-tipped 

 teeth, on pedicels 6-12 lines long : flowers white or slightly tinged with 

 purple, in a dense cylindrical spike 2-6 inches long; stamens 3-4 times 

 longer than the sepals, filaments flat. In salt-marshes along the coast 

 and islands of Alaska, to be looked for in northern Washington. 



S. annua Nutt. T. &G.-F1. i. 429. Poterium annuum Nutt. Glabrous; 

 stems slender, branching, 6-15 inches high from an annual root : leaflets 

 3-6 pairs, ovate to oblong, deeply pectinate-pinnatifid, 4-8 lines long, ses- 

 sile or nearly so : flowers perfect, greenish-white, in dense ovoid or oblong 

 heads 3-12 hues long ; bracts scarious, ovate, a line long, persistent; sta- 

 mens 2-4, much shorter than the calyx, fruit shorter than the bracts. In 

 dry open places, Washington to California, Indian Ter. and the upper 

 Missouri valley. 



