WOOTON AND STANDLEY—-FLORA OF NEW MEXICO. 298 
2. RHODIOLA L. 
Perennials with woody, somewhat branching, thickened rootstocks; leaves flat and 
comparatively thin; flowers dicecious or polygamous, 4 or 5-parted, in compact terminal 
cymes; carpels erect; styles very short or none. 
KEY TO THE SPECIES. 
Petals yellowish, obtuse............----------------+-----eeeeee 1. R. neomexicana. 
Petals purplish, acuminate..........-...-..--------------20--- 2. R. polygama. 
1. Rhodiola neomexicana Britton, Bull. N. Y. Bot. Gard. 3: 38. 1903. 
TYPE LocaLiry: White Mountain Peak, New Mexico. Type collected by Wooton. 
Ranae: White Mountains of New Mexico, in the Hudsonian Zone. 
2. Rhodiola polygama (Rydb.) Britt. & Rose, Bull. N. Y. Bot. Gard. 3: 39. 1903. 
Sedum polygamum Rydb. Bull. Torrey Club 28: 283. 1901. 
TYPE LocaLiry: West Spanish Peak, Colorado. 
Rance: Mountains of Colorado and New Mexico. 
New Mexico: Pecos Baldy; Baldy; Jemez Mountains. Transition and <Arctic- 
Alpine zones. 
8. SEDUM L. StTonecrop. 
Fleshy, mostly glabrous herbs, erect or decumbent, with alternate entire leaves 
and perfect flowers in terminal cymes; calyx 5-parted; petals 5, yellow, white, or 
pinkish; stamens 10; carpels 5, distinct; fruit consisting of 5 follicles. 
KEY TO THE SPECIES, 
Petals yellow.......------2- 222-22 e eee eee eee eee eee eee 6. S. stenopetalum 
Petals white or pink. 
Leaves terete or nearly s0.......-..--------- 2-2-2 eee e ee eee 1. S. stelliforme. 
Leaves oblong, lanceolate, or spatulate, flattened. 
Leaves lanceolate to ovate or oblong, broadest at or near 
the base......... 22.22.2222 eee eee eee eee 2. S. cockerellit. 
Leaves spatulate to obovate, narrowed at the base. 
Plants glabrous.........---------------++--eee eee 3. S. wrightii. 
Plants pubescent or puberulent-granular, at least 
above. 
Leaves turgid, the basal ones smooth.........--- 4. S. wootont. 
Leaves flattish, at least the basal ones papillose.. 5. S. griffithsti. 
1. Sedum stelliforme 8. Wats. Proc. Amer. Acad. 20: 365, 1885. 
TYPE Locality: Huachuca Mountains, southern Arizona. 
Rance: New Mexico and Arizona to Chihuahua. 
New Mexico: Hillsboro Peak; San Francisco Mountains; Mogollon Mountains. 
2. Sedum cockerellii Britton, Bull. N. Y. Bot. Gard. 3: 41. 1903. 
Typr LocaLity: Tuerto Mountain, east of Santa Fe, New Mexico. Type collected 
by Cockerell. 
Ran@e: Known only from type locality. 
3. Sedum wrightii A. Gray, Pl. Wright. 1: 76. 1852. 
TyPr Locauity: “ Hills near the San Pedro River, in crevices of rocks, and summit 
of mountains near El Paso,’’ Texas. 
Rane@e: Western Texas and southern New Mexico to northern Mexico, 
New Mexico: Black Range; Eagle Creek, White Mountains. 
