Genus 4. 



WATER-LEAF FAMILY. 



69 



3. Phacelia bipinnatifida Michx. Loose- 

 flowered Phacelia. Fig. 3492. 



Phacelia bipinnatifida Michx. Fl. Bor. Am. 1 : 134. pi. 16. 



1803. 



Biennial, hirsute-pubescent; stem erect, usually 

 much branched, glandular-viscid above, l-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"-io" 

 long, recurved in fruit; calyx-segments linear; ap- 

 pendages of the rotate-campanulate corolla in pairs 

 between the stamens, conspicuous, villous on the 

 margins, corolla-lobes entire; filaments pilose, ex- 

 serted; 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. 



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

 Franklin's Phacelia. Fig. 3493. 



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



1823. 

 Pliacclia Franklinii A. Gray, Man. Ed. 2, 329. 1856. 



Annual, villous-pubescent ; stem erect, 6'-i8' 

 high, simple, or corymbosely branched at the sum- 

 mit. Leaves li-3' long, pinnately parted into 

 715 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 ; append- 

 ages 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 Brit- 

 ish Columbia, Wyoming and Idaho. Summer. 



5. Phacelia dubia ( L.) Small. Small-flowered Phacelia. Fig. 3404. 



Polemonium dubium L. Sp. PI. 163. 1753. 

 Phacelia parvifiora Pursh. Fl. Am. Sept. 140. 1814. 

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



Annual, puberulsnt or glabrate, branched from the 

 base, the branches very slender, erect or ascending, 

 5'-i2' high. Lower and basal leaves petioled, 1-2' 

 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"-s" broad; racemes 5-15-flowered, elon- 

 gated in fruit; pedicels 3"-/" long; calyx-lobes 

 oblong or oblong-lanceolate ; corolla rotate-campanu- 

 late, the appendages obsolete; filaments pubescent; 

 anthers slightly exserted ; ovules 4-8 on each pla- 

 centa; capsule globose, ii" in diameter, 6-12-seeded; 

 fruiting pedicels ascending. 



In moist soil, New York and Pennsylvania to Georgia, 

 Missouri, Kansas and Texas. Ascends to 2000 ft. in 

 Virginia. April-June. 



