HiTDROPHYLLACE^E. (WATERLEAF FAMILY.) 335 



obovate or wedge-shaped, crcnately toothed ; the lowest ones mostly opposite, 

 and 3 - 5-lobed ; flowers minute, white, on slender spreading peduncles, which 

 are shorter than the petioles ; ovary 4-ovuled ; capsule 1 - 2-seeded. Shady 

 woods, Florida, Georgia, and westward. April -June. Stem 3'-l long. 

 Leaves '- 1' long. Corolla 1" long. Seeds bony. 



3. PHACELIA, Juss. 



Calyx 5-parted, not appendaged in the sinuses. Corolla bell-shaped, 5-lobed, 

 imbricated in the bud. Stamens included or exserted : anthers ovoid or oblong. 

 Ovary 2 many-ovuled ; the 2 narrow placentae often projecting inwards, and 

 forming an imperfect partition in fruit. Style 2-cleft. Capsule 2-valved, 4 - 

 many-seeded. Low chiefly annual herbs, with alternate mostly pinnately 

 divided leaves, and white or blue flowers in one-sided racemes. 



1. PHACELIA. Ovules and seeds 4: corolla variously appendaged within, the 

 lobes entire. 



1. P. bipinnatiflda, Michx. Hairy; stem erect, much branched ; leaves 

 long-petioled, 3 5-lobed, with the lobes oblong-ovate, acutely toothed; the lower 

 ones short-stalked, the upper confluent ; racemes loosely many-flowered, gland- 

 ular ; pedicels slender, recurved in fruit ; calyx-lobes linear, hispid ; stamens 

 bearded below, equalling or longer than the corolla. Shaded banks, Alabama 

 to North Carolina. May and June. Stem 6' - 12' high. Corolla blue, ' wide. 

 $ 2. COS.MANTHUS. Ovules and seeds 4 : corolla not appendaged within, the lobes 



fimbriate : filaments hairy below. 



2. P. Purshii, Buckley. Stems erect or ascending, clustered, smooth 

 or hairy, branched ; leaves hirsute ; the lower ones petioled, almost pinnate, the 

 upper clasping, pinnatifid, with the lobes acute ; racemes many-flowered ; calyx- 

 lobes lanceolate-linear, bristlv-ciliate ; corolla blue. (P. fimbriata, Pursh.) 

 Shady banks, North Carolina, Tennessee, and northward. May and June. 

 Stem 8' - 12' high. Corolla %' wide. 



3. P. fimbriata, Michx. Smoothish or slightly hairy; stems spreading 

 or ascending ; leaves few, the lowest petioled, with 3-5 roundish leaflets ; the 

 upper ones pinnately 5 - 7-lobed, with the lobes obtuse ; racemes 3 - 10-flowered ; 

 calyx-lobes linear-oblong, obtuse ; corolla white. High mountains of North 

 Carolina, Michaux, Buckley. May. Stems 5' - 8' long. 



3. EUTOCA. Ovules more than 4 : corolla usually with minute appendages 

 within, the lobes entire. 



4. P. parviflora, Pursh. Pubescent; stems several, spreading, branching; 

 leaves petioled ; the lowest 3 - 7-lobed, the upper 3-parted ; racemes loosely 5 - 

 la-flowered; pedicels slender, much longer than the calvx; calyx-lobes linear- 

 oblong, bristly-ciliatc ; corolla small, pale-blue or white. Shady banks, North 

 Carolina, and northward. April and May. Stems 3' -8' high. Corolla 3''- 

 4" wide Capsule few-seeded. 



5. P. pusilla, Buckley. Pubescent and somewhat glaucous; stems as- 

 cending, branched ; leaves sessile, pinnatifid, the segments obovate, abruptly 



