HYDROPHYLLACEAE. 297 



Family 85. HYDROPHYLLACEAE. Waterleaf Family. 

 Herbs, commonly hairy; leaves mostly alternate; flowers per- 

 fect, regular, on naked 1 -flowered scapes or in dense one-sided 

 cymes or false racemes; calyx 5-parted or of 5 sepals; corolla 

 gamopetalous, deeply 5-lobed; stamens on the corol'a-tube, alter- 

 nate with its lobes; style 2-cleft, or styles 2 and separate; ovary 

 entire, 1 -celled, with 2 parietal placetae or 2-celled by the 

 union of the placentae; fruit a 2-valved 4-many-seeded capsule; 

 endosperm copious. 



Styles entire. 410. Romanzoffia, 297. 

 Styles 2-cleft. 



Corolla imbricated in bud; placentae narrow. 411. Phacelia, 297. 

 Corolla convolute in bud; placentae broad. 



Perennials; stamens exserted. 412. Hydrophyllum, 298. 



Annuals; stamens included. 413. Nemophila, 299. 



410. ROMANZOFFIA. 



Low and delicate perennial herbs; leaves mainly radical, 

 cordate or reniform, crenately 7-11-lobed, long-petioled ; flowers 

 on a scape, in a loose raceme or panicle; calyx deeply 5-parted; 

 corolla white or pinkish, more or less funnelform, not ap- 

 pendaged within; stamens unequal, on the base of the corolla; 

 style filiform; stigma small, entire; ovary and capsule 2-celled 

 or nearly so; ovules and seeds numerous. 



Herbage glabrous or nearly so; pedicels longer than the flow- 

 ers in anthesis. R. sitchensis. 



Herbage pubescent; pedicels shorter than the flowers in 



anthesis. R. unalaschensis. 



Romanzoffia sitchensis Bong. Nearly glabrous; leaves thin, reniform, 

 crenately 7-11-lobed, 1-2 cm. broad, long-petioled; scapes 6-15 cm. high, 

 branched, loosely flowered; calyx much shorter than the corolla; corolla white, 

 the lobes orbicular; style filiform: capsule retuse. 



On moist cliffs in the mountains; rootstocks bearing small tubers. 



Romanzoffia unalaschensis Cham. Pubescent especially the inflores- 

 cence, somewhat bulbous at base; leaves thick, reniform to orbicular, usually 

 with 9 short lobes; scapes erect, rarely with a single leaf, 8-12 cm. high; 

 racemes short; pedicels erect; calyx-lobes nearly as long as the corolla; corolla 

 white, somewhat funnelform; style short; capsule obtuse. 



Cape Elizabeth, Washington, Foster, and north to Alaska. 



411. PHACELIA. 



Perennial or mostly annual herbs; leaves simple, lobed or 

 divided, alternate, or the lowest opposite; flowers in one-sided 

 raceme-like cymes; calyx deeply 5-parted, the lobes usually 

 narrow and similar; corolla from almost rotate to narrow-funnel- 



