_Stone-Crop Family_
Fleshy smooth herbs with alternate leaves, and perfect flowers in
terminal, oftentimes 1-sided cymes. Calyx 4—5-lobed; petals 4—5,
distinct, stamens twice as many as the petals; carpels 4—5, styles
short.
[Sidenote: =Sedum stenopetalum= Pursh. _Narrow Petaled Stone-crop._]
Perennial, tufted, smooth, flowering branches 3—7 inches long. Leaves
alternate, crowded, sessile, linear ¼—½ an inch long, entire. Flowers
bright yellow, nearly half an inch broad in a 5—7-forked, compact cyme,
petals narrowly lanceolate, very acute.
Common throughout the Rockies in moist, gravelly or sandy soil, on
river shores, and on rocky slopes, flowering in June and July.