(44) 
16. Sedum Wootoni Britton, sp. nov. 
Rootstocks rather stout; stems tufted, slender, erect or ascend- 
ing, 1-1.5 dm. high, granular-puberulent above, glabrous below; 
cyme 2.5~5 cm. broad, its branches densely See peas ae 
pedicels 2 mm. long or less; ieee sessile, 8-14 mm. long, 2.5-5 
= wide, the basal and lower ones obovate to spatulate, rare 
upper narrowly spatulate to linear-oblong, acute to acuminate ; 
7 narrowly ee paar petals white, oblanceolate, acute, 
longer than the sepals, 6~ m. long ; carpels erect, subulate-tipped. 
Organ Mountains, New ees 2,000 m. altitude, E. O. Wooton, 
September 17, 1895. 
Sedum Californicum Britton, sp. nov. 
Rootstock rather stout, nearly horizontal; stems erect, stout, 
1.5-2 dm. high; basal leaves and those of rosettes spatulate, obtuse, 
1-3 cm. long, 8-10 mm. wide, the flabellately arranged veins unit- 
ing in an intramarginal nerve; stem-leaves linear-oblong to oblong- 
spatulate, acute to acutish, about cm. long; cyme large , 6-1ocm. 
pedicels 3 mm. long or less; sepals ovate, acutish or estat about 
2 mm. long, one fourth to one third as long as the narrowly lanceo- 
late, white, long-acuminate petals ; ae broad, peed finely 
reticulated, the subulate tips ascen ndin 
North side of Mount Shasta, Sistivod County, California, 1600- 
3,000 m. altitude, H. E. Brown, June 11-16, 1897 (no. 336). 
Sedum Yosemitense Britton, sp. nov. 
Perennial by rootstocks, very fleshy, oe basal leaves 
obovate-orbicular to broadly obovate, 1 cm. long or less, 6-g mm. 
wide, rounded at the ape. green, not lau a or scarcely so; 
flowering stems 1-1.5 dm. high, slender, their leaves spatulate- 
obovate to oblong, obtuse, small; cyme Learn , 5 cm. broad 
or less, rather densely owered ; pedicels stout, 0.5-2.5 mm. long; 
calyx deeply cleft, its lobes ovate- lanceolate, acute or acutish; 
petals light yellow, lanceolate, acuminate, 6-S mm. long, twice as 
long as the calyx or longer; follicles somewhat divergent, tipped 
with filiform styles 
Yosemite National Park, Cal. Type collected by H. M. Hall 
and E. B. Babcock, between Vernal and Nevada Falls, July, 1902 
(no. 3425). oo 
Sedum diversifolium Rose, sp. nov. 
Sterile branches short, with small ovate flattened pale roughened 
leaves; flowering g branches elongated, weak, glabrous, with scat- 
tered leaves; leaves 5-10 mm. long, turgid, somewhat curved 
