Phacelia. HYDROPHYLLACEiE. 511 



with long spreading futirs ; appendages of corolla united to the base of the fila- 

 ments. 



20. P. circinatiformis, Gray. Erect, a span high, hispid and pubendent : 

 leaves ovate and ohlongdanceolate, conspicuously j)arallei veined, soniewliat strigose : 

 raceraes or spikes dense : corolla narrow, almost funnelforin, little longer than the 

 calyx, apparently pale or white, much surpassing the stamens : ovules about 4 to 

 each placenta. — Proc. Am. Acad. x. 325. Eutoca phacelioides, Benth. 1. c. 



California, Doiiff/n.i ; only known in his collection, probably from Montoroy. Una tho oflpoct 

 of a small foriii of /'. circinala. 



21. P. curvipes, Torr. DilFuse, 3 or 4 inches high, hirsute and puberulent : 

 leaves oval or lanceolate, mostly shorter than the slender jjctiole : racemes simple, 

 soon loose ; the lower pedicels as long as the calyx : corolla open-campanulate, violet 

 or blue: style 2-cleft to the middle: ovules 8 or 10 to each placenta. — Watson, 

 Bot. King Exp. 2.52. 



Eastern foot-hills of the Sierra Nevada ( JVatsoii), extending to Owens Valley, Dr. Horn. Re- 

 sembles P. humilvi. Pedicels a quarter to half an inch long, even the lowest not commonly 

 deflcxed and then upturned ; so that the name is seldom apiilicable. Corolla 3 lines long : the 

 hispid calyx in fruit 4 or 5 lines long. 



22. P. divaricata, Gray, 1. c. Diffusely spreading, a span high, more or less 

 hirsute and pubescent : leaves ovate or oblong, mostly longer than the petiole, occa- 

 sionally 1 - 2-toothed or lobed at base, the veins curving upwards : spikes or racemes 

 at length loose : the pedicels usually much shorter than the calyx : style 2-cleft at 

 the apex : corolla open-campanulate, pretty large (three fourths of an inch in diam- 

 otor when expanded), violot : ovules 1 2 to 20 on each placenta. — Eutoca divarimta, 

 Bonth. ; Lindl. Bot. Hog. t. 1784; Hook. Bot. ]\lng. t. 370(1. E. Wrnngeliana, 

 Fischer & Meyer; Don, Brit. Fl. Gard. sor. 2, t. 302, a form with loaves inclined to 

 he 1 - 2-lobed or toothed. 



Common about San Francisco Bay, &c. : a showy species in cultivation. 



+- -t- -t- Leaves entire or creyiate-lohed, roundish ; the veins divergent, mosthj obscure : 

 pubescence glandular, not at all hispid: appendages of the narroiv-campanulate 

 tvhite corolla nearly free from the unequal filaments : fiowey-s small (only about 2 

 lines long) in a loose raceme. 



23. P. pusilla, Torr. 1. c. Only 2 or 3 inches high, slender : loaves roundish- 

 oval or oblong, entire, seldom half an inch long : llowers few on fdiform pedicels : 

 capsule narrow-oblong, obtuse and slightly pointed, 18- 24-seeded. 



Under sage-brush and junipers, east of the Sierra Nevada, extending to the borders of Califor- 

 nia, JFatson. 



24. P. rotundifolia, Torr. 1. c. Diffusely branched, slender, 2 to 4 inches 

 high : leaves thin, round-cordate, crenately 7 - 13-toothed or somewhat lobed, much 

 shorter than the petiole : flowers on perlicels shorter than the calyxdobes : style 

 obscurely 2-cleft at the apex: capsule oval-oblong, abruptly pointed, 60-100- 

 seeded. 



Southeastern borders of California (on the ^lohavc, &c. Conpcr) to Southern Utah. Leaves half 

 an inch or less in diameter, nearly palmately veined. 



§ 3. Seeds (several or numerous) transversely corrugated : ofltertvise as in § 2. Low 

 annuals : stamens vnequal and shorter than the corolla : style 2-cleft only at 

 the tip. — MicnooENETES, Gray. [Aficrogenetes, A. D(3.) 



• Corolla almost rotate, the tube being shorter than the lobrs : the internal appendages 

 10 transverse callous ridges just below the throat, remote from the .<!tamrns. 



25. P. micrantha, Torr. Slender and delicate herb, branching and spreading 

 or procumbent, slightly hirsute and glandular : leaves thin, pinnately parted into 



