Report of the exploring expedition to the Rocky Mountains in the year 1842, and to Oregon and north California in the years 1843-44 . rvifolia of Bentham, described in the Voyage ofthe Sulphur. His plant, however, was only in fruit, while our specimensare only in flower. Ours grows in thick bunches 1—2 feet high, of a grayaspect, with numerous very straggling and somewhat spinescent scarcely one-third of an inch long, obovate-spatulate. The flowersare scarcely more than half as large as in K. lanceolata. Sepals 5, un-equal: claws of the 3 upper petals united, into a column belo
Report of the exploring expedition to the Rocky Mountains in the year 1842, and to Oregon and north California in the years 1843-44 . rvifolia of Bentham, described in the Voyage ofthe Sulphur. His plant, however, was only in fruit, while our specimensare only in flower. Ours grows in thick bunches 1—2 feet high, of a grayaspect, with numerous very straggling and somewhat spinescent scarcely one-third of an inch long, obovate-spatulate. The flowersare scarcely more than half as large as in K. lanceolata. Sepals 5, un-equal: claws of the 3 upper petals united, into a column below; laminamore or less ovate; the two lower petals short and truncate. Stamensshorter than the upper petals; the filaments united at the base with thecolumn of the petals: anthers one-celled, with a membranaceous summit,the orifice of which is somewhat dilated, and finally lacerated. Ovaryhairy and spinulose ; style rigid, declined. Oxystylis. Torr. and Frem.—n. gen. Sepals linear; petals ovate, somewhat unguiculate ; ovary 2-celled; thecells subglobose, each with two ovules: style pyramidal, much larger than BOTANY Flate IT. mm . utf&meam («h/r >///(//// 313 [ 174 ] the ovary. Silicle didymous: the carpels obovoid-globose, one-seeded,(or rarely two-seeded,) indehiscent, separating from the base of the persis-tent subulate spinescent style: pericarp crustaceo-coriaceous. Seed ovate,somewhat compressed; testa membranaceous, the lining much thickenedand fleshy. Cotyledons incumbent, linear-oblong; radicle opposite theplacentas.—A smooth annual herb. Leaves ternately parted, on longpetioles; the leaflets ovate or oblong, entire petiolulate. Flowers innumerous axillary crowded short capitate racemes, small and yellow. Oxystylis lutea. Torr. and Frem. On the Margoza river, at the foot of a sandy hill; only seen in one place,but abundant there. The specimens were collected on the 2Sth of were in both flower and fruit. A rather stout plant; the stem erect, a foot or
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Keywords: ., bookauthorunitedstatesarmycorps, bookcentury1800, bookdecade1840
