378 SAXIFRAGACEAE 



1. L. tenella Nutt. Stem slender, 1-1.5 dm. high, glandular-puberulent 

 throughout; leaf-blades less than 1 cm. broad, orbicular-flabellate in outline, 

 glandular-puberulent, 3-cleft half their length; lobes cuneate, 3-toothed; pedi- 

 cels about 2 mm. long; hypanthium almost hemispheric, together with the 

 sepals 2 mm. long; petals 3-cleft at the apex. Rocky banks and hillsides: Alta. 



-Wyo. Submont. Mont. My-Je. 



2. L. glabra Nutt. Stem 1-2 dm. high, minutely glandular-puberulent or 

 glabrous; leaf -blades ternately divided to near the base, puberulent; divisions 

 cuneate, 0.5-1.5 cm. long, 3-lobed; hypanthium campanulate, puberulent, 

 together with the sepals 2.5-3 mm. long; petals 3-cleft at the apex. Damp ground: 

 Ore. Wyo. 'Mont. Submont. Je. 



3. L. australis Rydb. Stem 1-2 dm. high, stout, glandular-puberulent; 

 leaf-blades ternately divided to near the base; divisions 1.5-2 cm. long, rhombic 

 or cuneate, deeply cleft and toothed; pedicels 2-5 mm. long; hypanthium cam- 

 panulate, slightly striate, with the sepals 3-4 mm. long; petals broadly cuneate, 

 deeply 3-5-cleft. Hillsides and drier meadows: N.M. Wyo. 'Utah 'Ariz. 

 Submont. Mont. My-Je. 



4. L. bulbifera Rydb. Stem 1-2 dm. high, glandular-puberulent; leaf- 

 blades ternately divided to the base; divisions 0.5-1 cm. long, cuneate or obo- 

 vate, 3-cleft and toothed; pedicels 3-5 mm. long, or in fruit 1 cm. long; hypan- 

 thium campanulate, together with the sepals 3-4 mm. long; petals 4-7 mm. long, 

 3-5-cleft, white or sometimes rose-colored. Dry hills: S.D. Colo. Calif. 

 B.C. Submont. Subalp. Ap-Jl. 



5. L. parviflora (Hook.) Nutt. Stem 1-3 dm. high, glandular-puberulent 

 and somewhat hirsutulous; leaf -blades more or less hirsutulous, divided to the 

 base into 3-5 divisions, which are 1-3 cm. long, twice ternately cleft into oblong 

 or linear lobes; pedicels 2-4 mm. long; hypanthium together with the sepals 5-8 

 mm. long; petals deeply 3-5-cleft into narrowly oblong divisions. Rocky or 

 gravelly places: Alta. -S.D. 'Colo. Calif. B.C. Submont. Mont. Ap-Jl. 



3. TELLIMA R. Br. 



Coarse hirsute perennials, with thick scaly rootstock and axillary leafy flower- 

 ing shoots. Stipules present but small. Hypanthium urn-shaped or deeply 

 campanulate, adnate only to the base of the gynoecium. Sepals ovate, erect, 

 valvate in bud. Petals white or tinged with purple, spreading, with a cuneate 

 claw and pinnately divided blade. Stamens 10, short, included; anthers 2-celled. 

 Gynoecium 1-celled, with 2 parietal many-seeded placentae; styles 2; stigmas 

 capitate. Capsule opening between the beaks. Seeds horizontal. 



1. T. grandifiora (Pursh) Dougl. Flowering branches 3-6 dm. high, hir- 

 sute with long hairs, glandular above, leafy; blades of basal leaves reniform, 

 sparingly hirsute, round-lobed, 4-10 cm. broad; stem-leaves short-petioled, with 

 more or less developed stipules; hypanthium glandular-puberulent, cylindro- 

 campanulate, 8-10 mm. long; petals purplish or pink; claw erect; blade spreading 

 or reflexed; ovary united with the hypanthium only at the base. Rich moist 

 woods: Alaska 'B.C. 'Calif. Submont. Ap-Jl. 



4. MITELLA (Tourn.) L. MITERWORT, BISHOP'S CAP. 



Low perennials, with scaly rootstocks and lateral flowering branches. Inflor- 

 escence racemose. Hypanthium saucer-shaped or open-campanulate, adnate to 

 the base of the gynoecium. Sepals triangular or ovate, valvate in aestivation. 

 Petals 5, pectinately pinnatifid. Stamens 10, included; filaments short, subu- 

 late. Gynoecium mostly superior, 1-celled, with 2 parietal placentae, ovuliferous 

 only at the base; styles distinct, short; stigma obtuse, simple. Capsule 2-valved 

 at the summit, few-seeded. 



1. M. nuda L. Perennial, producing long runners later in the season; 

 flowering branches scapiform, 0.5-2 dm. high, sparingly hairy; leaf-blades reni- 

 form, 2-5 cm. in diameter, rounded-crenate or slightly round-lobed; calyx about 

 6 mm. wide; sepals yellowish green, triangular-ovate; petals about twice as long 



