GENUS 4. 



WATER-LEAF FAMILY. 



69 



3. Phacelia bipinnatifida Michx. Loose- 

 flowered Phacelia. Fig. 3492. 



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

 1803. 



Biennial, hirsute-pubescent; stem erect, usually 

 much branched, glandular-viscid above, i-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"-lo" 

 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. 5i.pl. 27. 



1823; 

 Phacelia 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 i4'-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 ; 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. 3494. 



Polemonium dubium L. Sp. PI. 163. 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 ascending, 

 5'-i2 r high. Lower and basal leaves petioled, 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-i5-flowered, elon- 

 gated in fruit; pedicels 3 "-7" 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, \\" in diameter, 6-i2-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. 



