112 S.\XIFRAGACEAE 



stem-leaves seldom bulbiferous in the axils; stipules long and narrow, the free portion 

 triangular or lanceolate, not fimbriate. 

 HjTJantliium with the sepals 2-3 mm. long; petals about 2 mm. long. 



Pedicels short, in fruit not exceeding the capsule in length; seeds smooth. 



1. L. tenella. 

 Pedicels in fruit much longer than the capsule; seeds muriculate. 



2. L. glabra. 

 Hypanthium with the sepals 3^ mm. long; petals 3-5 mm. long. 



3. L. australis. 

 Stem-leaves usually bulbiferous in their axils; stipules short and broad, the free portion 



rounded and fimbriate. 4. L. bulbifera. 



Hypanthium deeply obconic, adnate to the lower half of the ovary. 5. L. parviflora. 



3. TELLIMA R. Br. l. T. grandiflora. 



4. MITELLA (Tourn.) L. Miterwort, Bishop's Cap. i. M. nuda. 



5. MITELLASTRA (T. & G.) Howell. i. M. caulescent. 



6. PECTIANTHIA Raf. 



stamens opposite to the petals. 1. P. penlandra. 



Stamens opposite to the sepals. 2. P. Bn-weri. 



7. OZOMELIS Raf. Mitrewort. 



Midvein of the sepals branched; side-veins simple; petals cuneate or oblanceolate, with 

 lanceolate lobes or entire. 

 Petals cimeate, about twice as long as the sepals, 3-fid with subequal divisions. 



1. O. triflda. 

 Petals oblanceolate, slightly exceeding the sepals, entire or slightly and unequally 

 toothed. 2. O. liolacea. 



Midveins of the sepals simple; lateral veins branched; petals filiform or 3-fid, with filiform 

 divisions, 1-neved. 

 Petals 3-fid to the middle; hjTianthium with the sepals 4-5 mm. long. 



3. O. stauropetala. 

 Petals entire or 3-fid only at the apex; hj-panthium with the sepals 1.5-3 mm. long. 

 Hypanthium with sepals 2-3 mm. long; leaf-blades indistinctly lobed and with 



shallow crenulations; petals often entire. 4. O. stenopelala. 



Hj-panthium with the sepals 1.5-2 mm. long; leaf-blades distinctly lobed and 

 deeply crenate; petals 3-cleft. 5. O. Parryi. 



8. CONIMITELLA Rydb. l. C. IVilliamsii. 



9. HEUCHERA L. Alum-root, Kalispell. 



Stamens equalling or exceeding the sepals. 

 Panicle open, not spike-like. 



Hypantliium turbinate, about as broad as long; stamens at least twice as long 



as the sepals. 1. H. glabra. 



Hypantliium deeply campanulate or urceolate, about twice as long as broad; 

 stamens sUghtly exceeding the sepals. 

 Hypantliium strongly oblique. 



Hj-pantliium with the sepals more than 1 cm. long; petioles glabrous or 



sparingly short-hairy. 2. H. Richardsonii. 



Hypanthium with the sepals less than 1 cm. long; petioles long-liispid. 



3. H. hispida. 

 Hypanthium not strongly oblique. 4. //. rubescens. 



Panicle contracted, dense, spike-like. 5. H. bracteata. 



Stamens shorter than the sepals. 



Hypanthium short-campanulate to saucer-shaped, together with the sepals 3-5 mm. 

 long. 

 Petioles more or less hirsute. 6. H. novomeiicana. 



Petioles glabrous or puberulent. 



Hypanthium campanulate, yellowish or pinkish; sepals almost erect. 



Leaf-blades deeply lobed; lobes again lobed and toothed; petals narrowly 

 oblanceolate, nearly twice as long as the sepals. 



7. H. gracilis. 

 Leaf-blades merely once 5-7-lobed and toothed; petals spatulate, from 

 equalUng to half longer than the sepals. 

 Base of the leaf-blades with an open sinus, or almost cuneate; plant 



1-3 dm. high. 8. H. Hallii. 



Base of the leaf-blades with a narrow sinus; plant 3-5 dm. high. 



9. H. grossulariifolia. 

 Hypantliium saucer-shaped; sepals spreading. 



Hj-panthium with the sepals 4 mm. high, yellowish; blades of the petals 



rhombic. 10. H. flai-escens. 



Hypantliium with the sepals 2-3 mm. high, greenish; petals oblanceolate 

 or spatulate. 

 Leaf-blades with shallow lobes. 



Sinus of the leaf-blades closed, the basal lobes often overlapping; 

 petals not exceeding the sepals. 11. H. utahensis. 



