HYDROPIIYLLACE.K. (WATKRLKAF FAMILY.) 3j9 



1. E. Nyctdlea, L. Minutely or ^imringly rougliisli-luiirv, divergently 

 hranohed (G- 12' liii,^li) ; leaves pinnately parted into 7 - 13 lanteolate or linear- 

 olilojig sj)aringly cut-tuotlied divisions ; peduncles solitary in the forks or oppo- 

 site tlie leaves, l-Howered; calyx-lobes lanceolate, p<»inted, about the lengtii of 

 the cylindraceous (whitish) corolla (in fruit ovate-lancetdate, nearly Y l<'"g) 

 caj)sule pendulous. (K. amhigua, Xutt.; merely a slender form.) — Sliady 

 damp places, X. J. to \'a., west to Minn, and Mo. Mav-Julv, 



4. PHACELIA, .luss. 



Calyx ."^-parted ; the sinuses naked. Corolla open-hell-shaped, .5-lobed ; the 

 lol)Cs iudn-icated in the l)ud. Filaments slender, often (with the 2-cleft stvle) 

 exserteil ; anthers ovoid or oblong. Ovary with 2 narrow linear placentae ad- 

 herent to the walls, in fruit usually projecting inward nifjre or less, the two 

 often forming an imperfect partition in the ovoid 4 - many seetied capsule. 

 (Ovules 2-30 on each placenta.) — Perennial or mostly annual herbs, with 

 simple, lobed, or divided leaves, and often handsome (blue, purple, or white) 

 flowers in scorpioid raceme-like cymes. (Xame from <pdKf\os, a fascicle.) 



§ 1. PFIACELIA proper. Seeds and ovules ouli/ 4 (two on each placenta): 

 corolla cainpanithttf , irith narrow folds or appendages icithin, the lohes entire. 



1. P. bipinnatifida, Michx. Biennial; stem upright, hairv (1-2^ 

 high), leaves long-petioled, pinnately 3- 5-divided, the divisions or leaflets 

 ovate or oblong-ovate, acute, coarsely and often sparingly cut-lobed or pin- 

 natifid; racemes elongated, loosely many-flowered, glandular-pubescent; pedi- 

 cels about the length of the calyx, spreading or recurved. — Shaded banks, in 

 rich soil, Ohio to 111. and southward. ]May, June. — Corolla bright blue, 6" 

 broad, with 5 pairs of longitudinal ciliate folds, covering as manv externally 

 keeled deep grooves. Stamens bearded below and with the stvle exserted. 



§ 2. COSMANTHUS. Ovules and seeds as in § 1 ; corolla almost rotate, ivith 

 Jinibriate lohes, and no appendages icithin: filaments villous-beardcd,rareli/ 

 exserted ; leaves pinnatijid, the upper clasping. 



2. P. Piirshii, Buckley. Sparsely hairy ; stem erect or ascending, branched 

 (8- 12' high) ; lohes of the stem-leaves 5-9, oblong or lanceolate, a<nlc ; raome 

 many-fowered ; cali/x-lobes lanre-linear; corolla light blue, varying to white 

 (about Y '" diameter). — Moist wooded banks, W. Penn. to Minn., and south- 

 ward. A]iril-June. 



3. P. fimbri^ta, Midix. Slightly hairy, slender: stems spreading or as- 

 cending (.5-8' long\ few-leaved ; lowest leaves 3-5-tlivi(led into roundish leaf- 

 lets ; the upper 5 - 7-cleft or cut-toothed, the lobes obtuse : raceme 3 - \0-fiowered ; 

 cali/x-iobes I inear-ohlong, obtuse, becoming spatulate; corolla white (3-4" broad). 

 — Woods, high mountains of Va. to Ala. May. 



§ 3. COSMANTHoiDES. Ovules and seeds 2-8 on each placenta . corolla 

 rotate or campanulate, with entire lobes and no appendages. 



4. P. parvifldra, Pursh. Somewhat hairy, slender, diffuse! v spreading 

 (3 - 8' high ) ; leaves jjinnately cleft or the lower divided into 3 - ;> short lobes ; 

 racemes solitary, loosely 5- 15-flowered , pedicels filiform, at length several 

 times longer than the oblong calyx-lobes ; corolla opeu-campanulate, bluish- 



