HrDROPHTLLACEiE. (WATERLEAF FAMILY.) 335 



obovate or wedge-!>liaped, crenatoly toothcil ; the lowest ones mostly opposite, 

 and 3 - 5-lol)e(l ; 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-partcd, 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 placentse often projecting inwards, and 

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

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

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



§ 1. Ph.vcelia. — Ovules and seeds 4 : corolla variously appendaged within, llie 



lobes entire. 



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

 long-petioled, 3 - 5-lobed, with the lobes oblong-ovatc, 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 Noi-th Carolina. May and June. — Stem 6' - 12' high. Corolla blue, ^' wide. 

 { 2. CosMANTHUS. — Oi'ules and seeds 4 : corolla not appendaged within, the lobes 



Jimbriaie : Jilaments hairy below. 



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

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

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

 lobes lanceolate-linear, bristly-ciliate ; corolla blue. (P. flmbriata, Pursh.) — 

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

 Stem 8' - 1 2' 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. EnTOCA. — Ooules more than 4 : corolla usually with minute appendages 

 within, the lobes entire. 



4. P. parviflor a, Pursh. Pubescent ; stems several, spreading, branching ; 

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

 1 5-flowered ; pedicels slender, much longer than the calyx ; calyx-lobes linear- 

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

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

 4" w^ide Capsule few-seeded. 



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

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



