phacelia HYDROPHYLLACEjE 471 



bmmbnanthb 



stem 6-10 inches high, diffusely branched from the base: leaves pinnately 

 parted into 7-15 linear or oblong and entire or incisely few-toothed lobes 

 rarely bipinnatifid : racemes loose, 6-20 flowered: sepals linear, minutely 

 ciliate, 2 lines long: corolla white or pale purple, slightly longer than the 

 calyx, its appendages adnate to the filaments only at base, vertical, long and 

 narrow : style hairy below : capsule oblong, 16-21-seeded : seeds strongly 

 corrugated. Dry plains eastern Oregon and Washington to California 

 and Utah. 



P. bieolor Torr. Watson Bot. King 255. Yiscid-puberulent: stem 

 6-8 inches high, diffusely much branched : leaves pinnately parted and the 

 divisions again irregularly pinnatifid into small nearly linear lobes : racemes 

 spiciform, loosely 10-20-flowered : calyx divided to the base, the lobes 

 linear-spatulate, 3-4 lines long, often unequal: corolla nearly funnelform, 

 6-8 lines long, with violet lobes yellow throat and white tube; its appen- 

 dages long and narrow, united for more than half their length with the fil- 

 ament forming a long tubular cavity behind it: capsule ovate oblong: 

 seeds about 16; minutely corrugated. Under Junipers, southeastern Oregon 

 to Nevada and California 



4 EMMENANTHE Benth. Trans. Linn. Soc. xvii, 281. 



Low annual herbs with alternate, pinnatfid or entire leaves 

 and yellow flowers in simple circinate ra?eines. Calyx 5-parted. 

 the sinuses naked. Corolla yellow, campanulate, o-cleft. without 

 appendage persistent. Stamens included, inserted at the very 

 base of the corolla, with slender filaments and elliptic anther-'. 

 Nectary or disk annular, surrounding the base of the ovary, rather 

 thick, free or adnate to the ba-e of the corolla. Ovary ovoid or 

 oblong, compressed, 2-celled. by the union of the placentae in the 

 axis, many .ovuled: style 2-lobed at the summit, subpersistent: 

 stigmas capitellate. Capsule ovoid or oblong, incompletely 2-cell- 

 ed. Seeds 2-20 reticulated, or pitted and transversely rugose, 

 pendent. 



E. parviflora Gray Pac. R. Rep. iv, 85, t. 15. Densely pubescent 

 and viscid ; depressed annual : leaves deeply pinnatifid : flowers crowded in 

 short spikes or racemes, on very short pedicels : corolla bright yellow, 

 2-3 lines long, merely 5-lobed, not longer than the linear obscarely spatu- 

 late calyx-lobes, withering persistent and enclosing the capsule ; the tube 

 within furnished with 10 narrow appendages: style hardly longer than the 

 ovary, persistent: ovules 20-40; seeds 15- 20. Shores of Klamath Lake 

 Oregon. 



E. lntea Gray Proc. Am. Acad, x, 323. Somewhat canescent with a 

 fine pubescence, and v'scid above: stem ascending or depressed, much 

 branched from the base: leaves oblong in outline, 1-2 inches long, petioled, 

 subpinnately parted, the 5-9 lobes entire, oblong or obovate, 1-3 lines 

 long: flowers crowded, on very short pedicels: sepals linear, obtuse, be- 

 coming 3 lines long: corolla bright yellow, narrowly campanulate, merely 

 5-lobed, equalling the calyx, persistent at the base of the capsule, the tube 

 within furnished with 10 narrow appendages : style filiform, much longer 

 than the ovary, persistent: ovary densely hairy, about 11-ovuled : capsule 3 

 lines long acutish, 8-10-seeded : seeds oblong:, finely reticulated as well as 

 rugose. Southeastern Oregon to Nevada and California. 



E. pusilla Gray Proc. Am. Acad, xi, 87. Pubescent: stem 1-2 inches 

 high, at length diffusely branched: leaves spatulate or oblong-lanceolate, 

 entire or nearly so, 2-5 inches long, tapering into a petiole of equal length: 



