994 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
4. Sedum wootoni Britton, Bull. N. Y. Bot. Gard. 3: 44. 1903. 
TypE Locatiry: Organ Mountains, New Mexico. Type collected by Wooton. 
Rance: New Mexico and Arizona. 
New Mexico: Santa Fe and Las Vegas mountains; Sandia Mountains; Hillsboro 
Peak; Organ Mountains; White Mountains. Rocky cliffs of the mountains, in the 
Transition Zone. 
5. Sedum griffithsii Rose, N. Amer. Fl. 22: 71. 1905. 
Type Locatity: Santa Rita Mountains, Arizona. 
Rana@eE: Southern Arizona and New Mexico. 
New Mexico: Bear Mountain; Tularosa River, Socorro County; Burro Mountains; 
San Luis Mountains; Organ Mountains. Transition Zone. 
6. Sedum stenopetalum Pursh, Fl. Amer. Sept. 324. 1814. 
Sedum lanceolatum Torr. Ann. Lyc. N. Y. 2: 205, 1827. 
Sedum stenopetalum rubrolineatum Cockerell, Bull. Torrey Club 18: 169. 1891. 
Tyrk Locauity: ‘On rocks on the banks of Clarck’s river and Kooskoosky.”’ 
Ranae: Alberta and Nebraska to California and northern New Mexico. 
New Mexico: Upper Pecos ( Maltby & Coghill 183). 
59. SAXIFRAGACEAKE, Saxifrage Family. 
Perennial herbs with more or less scapelike flower-bearing stems; leaves mostly 
basal in a rosette about a shortened and thickened or slender and elongated axis; 
leaves simple, entire, toothed, or lobed, the cauline, when present, of slightly dif- 
ferent shape; flowers perfect, solitary or in simple or paniculately branched cymes; 
hypanthium usually well developed, of various shapes; flowers 5-parted, rarely 
4-parted; stamens as many or twice as many as the sepals; gynocium of 2 (rarely 
3 or 4) carpels; ovary partially or wholly inferior; fruit of capsules or follicles. 
KEY TO THE GENERA. 
Placent parietal, sometimes nearly basal. 
Flower stalk lateral from a stout scaly rootstock; 
gynoecium 2-carpellary.........-..--- Leeeee 1, Heucnera (p. 294), 
Flower stalk axial from a slender bulbiferous root- \ 
stock; gynoecium 3-carpellary............... 5. LarnopHraama (p. 297). 
Placente axial. 
Hypanthium well developed, accrescent, at ma- 
turity longer than the sepals; leaves 5-lobed.. 2. Saxrrraaa (p. 296). 
Hypanthium only slightly developed, unchanged 
at maturity; leaves not lobed. 
Inflorescence scapiform, not leafy nor bracteate. 3. Micranrues (p. 296). 
Inflorescence leafy and bracteate............. 4. LEPTASEA (p. 297). 
1. HEUCHERA L. AtumM Root. 
Cespitose perennials with mostly basal, broadly oval to rotund, cordate leaves 
arising from the thickened rhizomatous stems, these covered by the bases of the 
petioles; flowers in elongated, scapelike, narrow or spreading panicles, dull greenish 
white or rose-purplish; calyx tube turbinate or campanulate, the limb 5-parted; 
petals entire, small; stamens 5; styles 2; capsule 2-beaked, about half inclosed in 
the calyx tube. 
