236 ONAGRACEJE. boisduvalia. 



CLARKIA. 



petals shorter; filaments very slender, naked, at base; anthers all 

 perfect, oblong, attached near the base. Ovary 4-celled several 

 ovuled : style filiform: stigma-lobes short somewhat euneate. 

 Capsule membranaceous, ovate-oblong to linear, nearly terete, 

 acute sessile dehiscent to the base. Seeds ascending few in one 

 row in each cell, ovate-oblong, somewhat angled, smooth. 



B. Torreyi Watson Bot Cal. i, 233. Villous throughout with short 

 stiffish spreading hairs; stems rather slender, 4-18 inches high: leaves 

 linear to lanceolate, usually narrowed at base, entire or somewhat denticu- 

 late, 4-9 lines long; the floral leaves similar and scarcely smaller ; flowers 

 in a loose simple spike, 1-2 lines long, purplish : capsule linear acuminate, 

 4-6 lines long, cells? 6-8 seeded, the partitions adherent to the valves; seeds 

 ovate half a line long or less. Washington to California. 



B. Douglasii Spach. Hist. Veg. 223. B densiflora Watson. Canes- 

 cently pubescent and more or less villous, often stout, 1-3 feet high: 

 leaves lanceolate to linear lanceolate, acuminate, mostly denticulate, 1-3 

 inches long the floral leaves usually much shorter and broader ; flowers 

 usually in a close terminal spike or numerous lateral spikelets; calyx 1-3 

 lines long, about half the length of jjthe petals; capsule ovate-oblong, 

 smooth or slightly villous, 2-4 lines long, cell 3-6 seeded, the partitions 

 wholly separating from the valves and adherent to the placenta; seeds 

 nearly or quite a line long. In wet places, Brit Columbia to California. 



B. glabella Walp. 1. c. Glabrous or slightly pubescent : slender, 8-16 

 inches high; leaves ovate to oblong-lanceolate, acute, serrate, 6-12 lines 

 long, the floral bracts scarcely smaller : flowers in a simple spike, shorter 

 than the leaves, petals deep purple, less than a line long; capsule ovate- 

 oblong, 2-4 lines long, the partitions adherent to the valves, seeds 4-6 in 

 each cell, linear-lanceolate, a line long. Jn ditches and wet places, Brit. 

 Columbia to Oregon and Nevada. 



13 CLARKIA Pursh. Fl i, 260, t, 11. 



Annuals with erect brittle stems, alternate leaves and showy 

 flowers in terminal racemes. Calyx-tube obconical above the 

 ovary, deciduous : the 4-cleft limb reflexed. Petals 4, with 

 claws lobed or entire, purple or violet. Stamens 8, those oppo- 

 site to the petals often sterile or rudimentary; anthers oblong 

 or linear, attached by the base. Ovary 4-celled : style elongated ; 

 stigma with 4 broad lobes, sometimes unequal, at length spread- 

 ing. Capsule linear, attenuate above, coriaceous, erect, some- 

 what 4-angled, 4-celled and 4-valved to the middle. Seeds num- 

 erous, angled or margined. 



C. pnlchella Pursh. 1. c. Stem 6-20 inches high, simple or branched, 

 inflorescence puberulent: leaves linear-lanceolate to linear, 1-3 inches 

 long, nearly glabrous, entire petals 6-9 lines long, 3-lobed, attenuate to a 

 long claw, which has a spreading tooth on each side; perfect stamens with 

 a linear scale on each side at base, the alternate stamens rudimentary and 

 liliform: stigma-lobes equal, dilated: capsule 8-12 lines long, N-angled, on 

 a spreading pedicel, 2-3 lines long; seeds obliquely cubical, minutely 

 tuberculate. Brit. Columbia to California and the Rocky Mountains. 



C. rhomboidea Dougl. Hook. Fl. i, 214. Stem slender, 1-2 feet high, 

 simple or sparingly branched above, puberulent or nearly glabrous : 

 lraves oblong-lanceolate to ovate, the upper narrower, all on slender peti- 

 oles, entire; petals entire, rhomboidal, with a short broad claw which is 



