nrrmoriiYLLACEJE. (watebleaf family.) 835 



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

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

 arc shorter than the petioles; ovary 4-ovuled; capsule l -2-seeded. — Shady 

 woods, Florida, Georgia, and westward April -Jinn.'. — Stem .'J'-l° Ion". 

 Leaves '.'-l'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-ovulcd ; 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, tlte. 



lobes entire. 



1. P. bipinnatifida, 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. Cosmanthus. — Ovules and seeds 4 : corolla not appendaged within, the lobes 

 fimbriate: Jilaments hairy below. 



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

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

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

 lobes lanceolate-linear, bristly-eiliate; 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, Bu< Mey. May. — Stems 5' - 8' long. 



§ 3. ErjTOCA. — Ovules more than 4 : corolla usually with minute appendages 

 within, the lobes entire. 



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

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

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

 oblong, bristly-eiliate; 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 



