WATERLEAF FAMILY 497 



19. Phacelia crenulata Torr. Heliotrope Phacelia. Fig. 4078. 



Phacelia crenulata ToTT. ex S. Wats. Bot. King. Expl. 251. 1871. 

 Phacelia ambigua M. E. Jones, Contr. West. Bot. No. 12:52. 1908. 

 Phacelia crenulata var. vulgaris Brand, Pflanzenreich 4^"'^: 78. 1913. 

 Phacelia crenulata var. funerea Voss ex Munz, Man. S. Calif. 409, 600. 1935. 



Annual or biennial, 1.5-15 dm. tall from a taproot, glandular-pubescent throughout and more 

 or less hirsute or hispid ; stems simple or branched. Basal leaves alternate, oblong to oval, 3-12 cm. 

 long, 1.5-5 cm. broad, pinnate or pinnately lobed, the lobes oval, crenate to lobed ; cauline leaves 

 like the basal ; flowers numerous, short-pedicellate in corymbose or paniculate clusters of dense 

 cymes, the cymes 5-10 cm. long, erect in fruit; calyx-lobes oblanceolate to oval, 4-6 mm. long, 

 1-1.5 'mm. broad, glandular-hispid; corolla violet or bluish purple, broadly campanulate, de- 

 ciduous, 4^10 mm. long and broad, the lobes obovate, 3-5 mm. long, crenulate ; stamens exserted, 

 10-14 mm. long, the filaments glabrous, the anthers oblong, 0.75 mm. long; scales lunate to rectan- 

 gular adnate; style exserted, 12-15 mm. long, cleft about two-thirds; capsule globose-ovoid, 

 3-4 mm. long; seeds usually 4, oblong-ovoid, 3-3.5 mm. long, thick, the ventral surface excavated 

 on each side of a salient ridge, foveolate and transversely corrugated. 



Rocky slopes, Sonoran Zones; southeastern California to Lower California east to Nevada, Utah and Arizona. 

 Type locality: Trinity Mountains, Nevada. March-May. 



Phacelia minutiflora Voss ex Munz, Man. S. Calif. 409, 600. 1935. Plants smaller throughout; corolla yel- 

 lowish white. 3-4 mm. long and broad; stamens less exserted. San Diego and Imperial Counties, California, to 

 northern Lower California. Type locality: Cargo Muchacho Mountains, Imperial County, California. 



20. Phacelia amabilis Constance. Saline Valley Phacelia. Fig. 4079. 



P/iacf/to amabiViJ Constance, Madrono 7: 56. pi. 3. 1943. 



Annual or biennial, about 1 m. tall from a taproot, glandular-puberulent and hispid throughout ; 

 stems erect, branching. Basal leaves alternate, oblong to oblong-ovate, 8-15 cm. long, 3-5 cm. 

 broad, pinnatifid, the lobes oblong, dentate ; cauline leaves like the basal ; flowers numerous, short- 

 pedicellate in corymbose clusters of cymes 5-12 cm. long, erect in fruit; calyx-lobes lanceolate, 

 3-5 mm. long, 1-2 mm. broad, glandular-hispid ; corolla white, broadly campanulate, deciduous, 

 7-8 mm. long, 8-12 mm. broad, the lobes obovate, 3-4 mm. long; stamens exserted, 9-15 mm. long, 

 the filaments glabrous, the anthers oblong, about 1 mm. long ; scales with a broad free portion ; 

 style exserted, about 1 cm., divided about to the middle; capsule ovoid, 3-4 mm. long; seeds 

 usually 2 or 4, oblong-ovoid, 3-4 mm. long, pale, thin and broadly flanged, the ventral surface 

 excavated on each side of a salient ridge, foveolate but not corrugated. 



Creek banks, Sonoran Zones; known only from the type collection: Saline Valley, Inyo County, California. 

 April-May. 



21. Phacelia pedicellata A. Gray. Pedicellate Phacelia. Fig. 4080. 



Phacelia pedicellata A. Gray, Syn. FI. N. Amer. 21; 160. 1878. 



Annual, 1.5-4 dm. tall from a taproot, glandular-hirsute throughout; stems usually branched. 

 Basal leaves alternate, oval, 6-12 cm. long, 4-10 cm. broad, pinnate or pinnatifid, the lobes often 

 petiolulate, dentate or lobed ; cauline leaves like the basal ; flowers numerous, slender-pedicellate 

 in branched, paniculate clusters of compact cymes, the cymes 3-5 dm. long, erect in fruit and the 

 filiform pedicels deflexed ; calyx-lobes oblanceolate, 3-4 mm. long, 1-1.5 mm. broad, glandular- 

 hirsute, scarious and up to 5 mm. long in fruit ; corolla blue or purplish to white, broadly cam- 

 panulate, deciduous, 4-6 mm. long and broad, the lobes obovate, 1-1.5 mm. long, the whole ex- 

 ceeding the calyx ; stamens exserted, 6-8 mm. long, the filaments glabrous, the anthers oblong, 

 0.6 mm. long; scales lunate to rectangular, often auriculate at base, adnate; style 6-8 mm. long, 

 glabrous, cleft about to the middle; capsule ovoid, 3-3.5 mm. long; seeds 4, oblong-ovoid, 2.5-3 

 mm. long, thick, the ventral surface excavated on each side of a salient ridge, foveolate and 

 transversely corrugated. 



Desert canyons and washes, Sonoran Zones, southeastern California to Lower California and Arizona. Type 

 locality: "Lower California." March-May. 



22. Phacelia Anelsonii J. F. Macbride. Aven Nelson's Phacelia. Fig. 4081. 



Phacelia Anelsonii J. F. Macbride, Contr. Gray Herb. No. 49: 26. 1917. 



Annual, 2-4 dm. tall from a taproot, viscid-pubescent throughout ; stems simple, erect. Basal 

 leaves alternate, oblong to oblanceolate, 2-10 cm. long, 1-2 cm. broad, pinnately lobed or divided, 

 the lobes crenate ; cauline leaves like the basal, reduced ; flowers numerous, short-pedicellate in 

 a thyrsoid cluster of cymes, the cymes 1.5-3 cm. long, erect and compact in fruit; calyx-lobes 

 oblanceolate, 3^ mm. long, 1-1.5 mm. broad, glandular-puberulent; corolla blue or violet, broadly 

 campanulate, deciduous, 6 mm. long and broad, exceeding the calyx ; stamens included ; scales 

 lunate, narrower at top than at bottom; style included; capsule ovoid, 2.5-3 mm. long; seeds 2^, 

 oblong-ovoid, 3-3 . 5 mm. long, thin, the ventral surface excavated on each side of a salient ridge, 

 foveolate but not corrugated. 



Rocky soil, Sonoran Zones; southeastern California to southern Nevada, and Utah. Type locality: Meadow 

 Valley Wash, Nevada. March-May. 



23. Phacelia coeriilea Greene. Sky-blue Phacelia. Fig. 4082. 



Phacelia coerulea Greene, Bull. Torrey Club 8: 122. 1881. 

 Phacelia invcnusta A. Gray, Proc. Amer. Acad. 20: 303. 1885. 



Annual, 1^ dm. tall from a taproot, glandular-hispid throughout; stems simple or few- 



