HYDIiOPHYLLACEJi:. (WATERLEAF FAMILY.) 



JO 



rhomboid-ovate, acuminate or acute, coarsely incised-toothed ; tlie lowest 

 commonly 2-oleft and the terminal one often O-lohed : peduncle usually once 

 or twice forked : cyme at length oi)cn : calyx S-parted to the very ha^e into 

 narrow linear and spreading his])id-ciliate divisions: corolla nearly white or 

 sometimes deep violet, about ^ inch long. — Across the coutiueut. 



2o ELLISIA, L. 



Plants with tender somewhat hirsute herbage : peduncles solitary or race- 

 mose : corolla whitish, mostly smnll in comparison with the stellate calvx. 

 In ours the leaves are once pinnately parted, and the upper mostly alternate. 



1. E. Nyctelea, L. A span to a foot high, at length very diffuse: 

 leaves on naked or barely margined petioles; the divisions 7 to 13, lanceolate, 

 acute, mostly 1 to 3-toothed or lobed : peilundes solitary in the forks or oppo- 

 site the leaves, or some of the later ones racemose and secund : calvx-lol»es 

 acuminate, longer than the capsule: corolla rather shorter than the calvx. — 

 Upper Arkansas, Colorado, to the Saskatchewan, and eastward across the 

 continent. 



3. PHACELIA, Juss. 



Corolla blue, purple, or white, never yellow, except the tube of certain 

 species ; the tube with or without internal folds : calyx-lobes more or less 

 enlarging in fruit : seed coat reticulated or pitted. 



§ 1. ^ pair of ovules to each placenta: seeds as mam/ or bi/ abortion fewer: 

 lobes of the campanulate corolla entire {or rareli/ erose-dentate) ; the tul>e with 

 10 laminate appendages in pairs at the base of the stamens. — Eltii.vcelia. 

 * Leaves all simple and entire, or some of the lower j>innateli/ 3 to r>-partrd nr 

 divided: capsule ovate, acute: seeds denseli/ alveolate-punctate. 



1. P. circinata, Jacq. f. Hispid and the folinge strigose, and either 

 green or canescent, a span to 2 feet high : leaves from l:inceolate to ovate, 

 acute ; the lower tapering Into a petiole and commonly some of them with 

 one or two pairs of smaller lateral leaflets : inflorescence hispid ; the dcn.se 

 spikes thyrsoid-congested : corolla whitish or bluish : filaments much ex- 

 serted, sparingly bearded. — On dry ground, from New Mexico and Cali- 

 fornia to the Dakotas and Britisli Columbia. 



* * Leaves pinnateli/ toothed, lobed, or compound, and the lol'cs or divisions 

 toothed or incised: capsule (jlobular or ovoid, olitu.<!c: seeds ivith excavated 

 ventral face divided by a salient ridrje. 



•*- Cali/T, etc. not .^elose-hispid. 



2. P. integrifolia, Torr. A span to 2 feet high, strict, vi.scid-pube.«cpnt 

 or hirsute, very leafy : leaves ovate-oblong or lanceolate, se.«;sile or the lower 

 short-petioled with a commonly sul»cordate base, snnpli/ or mosflif douljif r>-e- 

 nate-tontlied, sometimes incised : sjiikes crowded, at first thyrsoid : corolla whitish 

 or bluish: stamens and style long exsened. — Ann. Lye. N. V. ii. 222. Dry 

 soil, Colorado to Texas, Arizona, and Utah. 



