192 SAXIFRAGACEAE. 



Bolandra oregana Wats. Flowering stems 10-40 cm. high, the inflores- 

 cence glandular-pubescent; leaves reniform, angularly lobed, dentate, glabrous, 

 2-6 cm. broad; calyx large, campanulate, green or purple, the tube 5 mm. long, 

 the lanceolate lobes shorter; petals purple, lanceolate-attenuate, about 1 cm. 

 long; carpels scarcely diverging, conical, 1 cm. long. 



On wet cliffs in the gorge of the Columbia River and at the falls of the 

 Willamette, Oregon. The plant bears bulbils near the base. 



252. HEMIEVA. 



Glandular-puberulent perennial herbs with short bulbiferous 

 rootstocks; basal leaves ternately divided; cauline leaves with 

 more or less developed stipules; flowers in a cyme; calyx-tube 

 campanulate, adherent to the lower half of the ovary; sepals 5, 

 triangular-lanceolate; petals 5, obovate; stamens 5, opposite the 

 sepals, erect, on the outer margin of the disk; styles distinct; 

 ovary 2-celled, with axile placentae. 



Hemieva ranunculifolia (Hook.) Raf. Glandular-pubescent; stems 10-30 

 cm. high; basal leaves long-petioled, reniform, 3-parted, the segments cuneate 

 and incisely 3- or 4-lobed; middle cauline leaves similar but the petiole short 

 and broad; uppermost leaves sessile, 3-lobed, passing into the oblong bracts; 

 flowers white, in a compact cyme; calyx campanulate, its ovate lobes as 

 long; petals obovate, 6-7 mm. long. 



In the Cascade Mountains in rocky places at about 1700 m. altitude. 

 Bulblets are produced in the axils of some of the leaves. 



253. SULLIVANTIA. 



Slender acaulescent perennial herbs with small _ rootstocks 

 and scape-like stems; leaves alternate, all but one basal, reniform 

 to orbicular in outline, shallowly lobed and coarsely toothed, 

 cordate, long-petioled; flowers in panicled cymes; calyx- tube 

 campanulate, longer than the calyx; sepals 5, erect; corolla 

 whitish, regular, of 5 persistent clawed petals; stamens 5; ovary 

 half-inferior; follicles erect, enclosed in the calyx- tube. 



Sullivantia oregana Wats. Glandular-pubescent above; stems 10-20 cm. 

 high; leaves orbicular, cordate, obscurely lobed, incisely toothed, 2-5 cm. 

 broad, the slender petioles dilated at base; calyx campanulate with ovate 

 lobes; petals obovate, unguiculate, white, 1.5 mm. long; carpels thin, 4 mm. 

 long. 



On wet cliffs, Multnomah Falls and Elk Rock, Oregon. 



254. THEROFON. 



Glandular-pubescent perennial herbs with scaly rootstocks; 

 leaves reniform, cleft or lobed and dentate or crenate; stipules 

 foliaceous or bristle-like; flowers perfect, in panicles on leafy 

 lateral shoots; calyx-tube campanulate, urn-shaped or turbi- 

 nate, adnate to the lower half of the ovary; sepals 5, lanceolate 

 or ovate-lanceolate; petals 5, white, obovate or spatulate; stamens 

 5, opposite the sepals; styles 2, distinct, in fruit forming 2 diver- 



