WATERLEAF FAMILY 709 



2. C. nervosa Greene. Leaves thin, petioled; blades elliptic, glabrous on 

 both sides, sparingly silky-ciliate on the margin; calyx-tube densely villous; 

 lobes lanceolate, long-ciliate on the margins; corolla fully 1 cm. high. Wet 

 meadows : Ida. Suhmont. My. 



3. C* Watsoniana Greene. Leaf-blades oblong or oblanceolatc, obtuse, 

 3-7 cm. long, grayish pubescent, with short hairs; scape 2-5 cm. long; sepals 

 oblong or elliptic, short-hairy; corolla lilac-purple, 12-15 mm. long. Gravelly 

 soil: e Calif. — w Wyo. SubmonL Ap-Je. 



4. C, incana Greene. Lcaf-blades elliptic or spalulate, 1-3 cm. long, 

 canescent on both sides; scape 1-3 cm. long; calyx-lobes oblong or lanceolate, 

 obtuse; corolla 7-10 mm. long; lobes rounded. Wet benches and flats: Mont. 

 Ida. — Wash. Suhmont. My-Je. 



6. C, nana (Lindl.) Raf. Leaf-blades ovate-oblong or oval, strigosc-pubes- 

 cent, 2-5 cm, long; scape 4-7 cm. long; cah'^c-lobes 5-8 mm. long; corolla 10-17 

 mm. long; lobes ovate, acute. C lasiantha Greene. C. macilenla Greene. Wet 

 places and creek banks: .Wash. — Ida. — Ore. SubmonL Ap-Au. 



9. ROMANZOFFIA Cham. 



Low, deUcate, scapose perennial herbs, with bulbiferous rootstooks, resembling 

 some saxifrages in habit. Leaves mainly basal, but alternate, with long petioles 

 and reniform lobed blades. Flowers perfect, regular, racemose or paniculate. 

 Calyx-lobes 5, oblong-linear or lanceolate. Corolla pink or purple, funnelform 

 or nearly campanulate. Stamens inserted in the base of the corolla-tube, un- 

 equal. Ovary 2-celled or nearly so by the intrusion of the placentae; style entire, 

 filiform; stigma simple, small; ovules many. Capsule loculicidal. Seeds alveo- 

 late-reticulate. 



Leaves 1.5-4.5 cm. broad. 



Leaves 5-9-lobed; capsule longer than the calyx. 1. U. sitchensis. 



Leaves 3-5-lobed; capsule not exceeding the calyx. 2. R. Leibergii. 



Leaves less than O.o cm. broad. 3. iZ. minima, 



1. R. sitchensis Bong. Stem slender, 1-3 dm. high, glabrous or nearly so; 

 leaf-blades thin, glabrous or nearlj^ so, reniform, 1-3 cm. broad, with rounded- 

 ovate, mucronate lobes; calTO-lobes linear-lanceolate, 3-5 mm. long; corolla 7-10 

 mm. long. Wet rocks: Alaska — Alta. — ^Mont. — n Calif. Ap-Au. 



2. R. Leibergii Greene. Stem 7-12 cm. high, glabroits; leaf-blades Ught 

 green, glabrous; lobes extending to the middle, broadly ovate, acute; calyx*lobes 

 oblong-linear; corolla small, o}>en-funneIform. Ledges of slate: n Ida. MonL Au. 



3. R. minima A. Brand. Stem scarcely exceeding the leaves, rarely more 

 than 2.5 cm. long; leaf-blades 3-5-lobed; calyx-lobes 2-2.5 mm. long, oblong; 

 corolla campanulate, 6 mm. long. High moimtains: B.C. Alp, Jl. 



10. ERIODICTYON Benth. Mountain Balm, Yerba Santa. 



Low shrubs or undershrubs. Leaves alternate, pinnately veined and reticu- 

 late, more or less coriaceous and rigidly toothed. Flowers perfect, regular, scor- 

 pioid-cymose. Sepals nearl3- distinct, 5, narrow. Corolla \'iolet or purple, 

 rarely white, funnelform or campanidate, without appendages; its lobes imbri- 

 cate in the bud. Stamens included; filaments variously adnate to the corolla- 

 tube, more or less hairy. Ovary more or less completely 2-celled. Styles dis- 

 tinct to the base; stigmas capitate. Capsule 4-valved, first loculicidal, then 

 septicidal; placentae very broad. Seeds few, pendulous. 



1. E. angustifoUura Nutt. Low shrub; stem glabrous, glandular-pruinose 

 above; leaves 3-10 cm. long, 2-6 mm. ^s-ide, linear or narrowly linear-lanceolate, 

 green above, white beneath, strongly reticulate; margin sinuate-denticulate, 

 revolute; cal>TC-lobes hirsute-ciiiate, 3 mm. long, linear; corolla funnelform, 6-7 

 mm. long. Dry hills: N.M. — s L^tah — Nev. — Calif. L. Son. Ap-Je. 



11. MARILAlTNiDIUM Kuntze. 



Annual or perennial herbs. Leaves alternate, entire, sometimes decurrent. 

 Flowers perfect, regular, sohtary, axillary. Cal^'x with 5 narrow lobes. Corolla 



