2. Phacelia Integrifolia Torr. Crenate-Leaved Phacelia

Fig. 3491

P. integrifolia Torr. Ann. Lye. N. Y. 2: 222. pl. 3. 1827.

Annual or biennial; stem erect or ascending, rather stout, very leafy, commonly branched above, viscid-hirsute, 6'-2° high. Leaves finely strigose-pubescent, ovate-oblong or oblong-lanceolate, irregularly crenate-dentate, obtuse at the apex, rounded or cordate at the base, 1'-2 1/2' long, petioled or the uppermost sessile; spike-like branches of the scorpioid cymes dense, 2'-4' long when expanded; flowers sessile, about 4" long; calyx-segments oblong, acute; corolla tubular-campanulate, white or blue, its tube longer than the calyx; filaments glabrous, exserted; ovules 2 on each placenta; capsule ovoid, obtuse.

In saline soil, western Kansas (according to B. B. Smyth); Oklahoma to Colorado, Mexico, Utah and Arizona. April-Sept.

2 Phacelia Integrifolia Torr Crenate Leaved Phacel 162

3. Phacelia Bipinnatifida Michx. Loose-Flowered Phacelia

Fig. 3492

Phacelia bipinnatifida Michx. Fl. Bor. Am. 1: 134. pl. 16. 1803.

Biennial, hirsute-pubescent; stem erect, usually much branched, glandular-viscid above, 1°-2° high. Leaves slender-petioled, 2-5' long, pinnately divided or deeply pinnatifid into 3-7 ovate or oblong acute or acutish, dentate or incised segments, or these again pinnatifid; flowers blue or violet, 6"-8" broad, numerous, slender-pedicelled in loose racemes, the inflorescence only slightly scorpioid; pedicels 4"-10" long, recurved in fruit; calyx-segments linear; appendages of the rotate-campanulate corolla in pairs between the stamens, conspicuous, villous on the margins, corolla-lobes entire; filaments pilose, exserted; ovules 2 on each placenta; capsule globose.

In moist thickets and along streams, Ohio to Illinois, Missouri, Georgia, Alabama and Tennessee. Ascends to 4000 ft. in North Carolina. April-June.

3 Phacelia Bipinnatifida Michx Loose Flowered Phac 1633 Phacelia Bipinnatifida Michx Loose Flowered Phac 164

4. Phacelia Franklinii (R. Br.) A. Gray. Franklin's Phacelia

Fig. 3493

Eutoca Franklinii R. Br. App. Frank. Journ. 51 . pl. 27.

1823. Phacelia Franklinii A. Gray, Man. Ed. 2, 329. 1856.

Annual, villous-pubescent; stem erect, 6-18' high, simple, or corymbosely branched at the summit. Leaves 1 1/2'-3' long, pinnately parted into 7-15 linear or linear-oblong acute entire dentate or incised segments; flowers blue or nearly white, short-pedicelled in dense scorpioid racemes; calyx-segments linear-lanceolate, acute; longer than the tube of the rotate-campanulate corolla; appendages of the corolla free at the apex; anthers scarcely exserted; filaments glabrous, or nearly so; styles united nearly to the summit; ovules numerous on each placenta; capsule ovoid, acute.

Western Ontario, Michigan and Minnesota to British Columbia, Wyoming and Idaho. Summer.