Vox.. III.] 



WATER-LEAF FAMILY. 



47 

 (Fig. 3004.) 



3. Phacelia bipinnatifida Michx. Loose-flowered Phacelia 



Phacelia bipinnatifida Michx. Fl. Bor. Am. 1: 134. 

 pi. 16. 1803. 



Biennial, hirsute-pubescent; stem erect, usually 

 much branched, glandular-viscid above, i-2 

 high. Leaves slender-petioled, 2 / -5 / long, pin- 

 nately divided or deeply pinnatifid into 3-7 ovate 

 or oblong acute or acutish, dentate or incised seg- 

 ments, or these again pinnatifid; flowers blue or 

 violet, 6 // -8 // broad, numerous, slender-pedicelled 

 in loose racemes, the inflorescence only slightly 

 scorpioid; pedicels 4 // -io // long, recurved in fruit; 

 calyx-segments linear; appendages of the rotate- 

 campanulate corolla in pairs between the stamens, 

 conspicuous, villous on the margins; filaments 

 pilose, exserted; ovules 2 on each placenta; cap- 

 sule globose. 



In moist thickets and along streams, Ohio to Illi- 

 nois, south to Alabama. Ascends to 4000 ft. in North 

 Carolina. April-June. 



4. Phacelia Franklinii (R. Br.) A. 

 Gray. Franklin's Phacelia. (Fig. 3005.) 



Entoca Franklinii R. Br. App. Frank. Journ. 51. 



pi. 2j. 1823. 

 Phacelia Franklinii A. Gray, Man. Fd. 2, 329. 1856. 



Annual, villous-pubescent; stem erect, &-&' 

 high, simple, or corymbosely branched at the 

 summit. Leaves \yi'-j/ 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 scor- 

 pioid racemes; calyx-segments linear-lanceolate, 

 acute; longer than the tube of the rotate-cam- 

 panulate corolla; appendages of the corolla free 

 at the apex; anthers scarcely exserted; fila- 

 ments glabrous, or nearly so; styles united 

 nearly to the summit; ovules numerous on each 

 placenta; capsule ovoid, acute. 



Western Ontario and Minnesota to British Colum- 

 bia and Idaho. Summer. 



5. Phacelia dubia (L-.) Small. Small-flowered Phacelia. (Fig. 3006.) 



Polemonium dubium L. Sp. PI. 1753. 



Phacelia parviflora Pursh, Fl. Am. Sept. 140. 1814. 



Phacelia dubia Small, Bull. Torr. Club, 21: 303. 1894. 



Annual, puberulent or glabrate, branched from 

 the base, the branches very slender, erect or as- 

 cending, 5 / -i2 / high. Lower and basal leaves peti- 

 oled, i / -2 / long, pinnatifid or pinnately divided into 

 3-5 oblong obtuse entire or dentate segments, or 

 rarely merely dentate, or even entire; upper leaves 

 much smaller, sessile, less divided; flowers light 

 blue or white, racemose, 4 // -5 // broad; racemes 5- 

 15-flowered, elongated in fruit; pedicels 3 // ~7 // 

 long; calyx-lobes oblong or oblong-lanceolate; co- 

 rolla rotate-campanulate, the appendages obsolete; 

 filaments pubescent; anthers slightly exserted; 

 ovules 4-8 on each placenta; capsule globose, i^ // in 

 diameter, 6-12-seeded; fruiting pedicels ascending. 



In moist soil, Pennsylvania to Georgia, Kansas and 

 Texas. Ascends to 2000 ft. in Virginia. April-June. 



