(41) 
Collected by C. G. Pringle on summit of the Nevada de Toluca, 
State of Mexico, September, 1892 (no. 4240). 
Sedum Hemsleanum Rose, sp. nov. 
erennial, caulescent, 1-3 dm. high, branching, puberulent; 
basal leaves in small rosettes, orbicular; stem-leaves linear to lan- 
ceolate, 2 cm. long, obtuse, puberulent; inflorescence an elongated 
panicle; flowers eeaale: arranged along one side of the axis; calyx- 
lobes broadly ovate, obtuse, 1.5 mm. long; petals white, 4 mm. 
long, ovate, acuminate; carpels 5, tipped with long slender styles. 
Collected by F. Miiller, Orizaba, (no. 322), by C. G. Pringle 
near Oaxaca City, November, 1894 (no. 6042, type), and by E. 
W. Nelson on rocks between Petlatcingo and Acatlan, Puebla, 
November, 1594 (no. 2001). 
Sedum australe Rose, sp. nov. 
Perennial, procumbent, rooting at the joints; branches woody, 
tuberculately roughened ; leaves numerous, densely imbricate, terete, 
use, 6-7 mm. long, glabrous; inflorescence a short compact 
me; calyx-lobes leaf-like, half as long as the petals; petals red- 
dish-yellow, 7 mm. long, aa on the back below the apex; 
carpels widely spreading when ure. 
Collected by E. W. Nelson on the volcano of Santa Maria, 
Guatemala, January 24, 1897 (no. 3707). 
Sedum Shastense Britton, sp. nov. 
Perennial by a slender rootstock, glabrous; a erie erect, 
or the base decumbent, 6-12 cm. high; leaves lanceolat ob- 
long-lanceolate, to-15 mm. long, 3-5 mm. oe acute, Slee 
the narrowed base somewhat prolonged below the axil; cyme small, 
compact, 2-3 cm. broad; flowers few, sessile or nearly so; calyx- 
segments ovate to triangular-ovate, acute, about half as long as the 
petals; petals very thin, lanceolate, acuminate, yellow, strongl 
nerved, about 8 mm. long, exceeding the stamens and pistils; styles 
subulate; young follicles erec 
North side of Mt. Shasta, Siskiyou County, California, H. E. 
Brown, July, 1897 (no. 44r). 
Sedum Cockerellii Britton, sp. nov. 
Perennial, glabrous, branched, 2 dm. high or less; basal leaves 
not seen; stem-leaves lanceolate to oblong-lanceolate, sessile, acute, 
cm. long, 6 mm. wide or less; cymes 2.6 cm. broad; flowers 
eps cee calyx- segments nearl linea ear, acute or acutish, a little 
shorter than the petals; petals linear-lanceolate to linear- obl lanceo- 
late, acute, 6-S mm. long, white; anthers pink; carpels erect; 
styles subulate. 
