166 CRASSULACEAE. [Vor. II. 
4. Sedum acre 1. Wall-pepper. Biting, or Mossy Stonecrop. (Fig. 1813.) 
. 
Sedum acre I,. Sp. Pl. 432. 1753- 
Perennial, densely tufted, spreading and 
matted, glabrous; sterile branches prostrate, 
the flowering ones erect or ascending, 1/-3/ 
high. Leaves sessile, alternate, ovate, very 
thick, densely imbricated, light yellowish 
green, entire, about 114’’ long, those of the 
sterile branches usually arranged in 6 rows; 
cyme 2~-3-forked, its branches 14/-1’ long; 
flowers sessile, about 4’’ broad; petals bright 
yellow, linear-lanceolate, acute, 3 or 4 times 
as long as the ovate sepals; central flower of 
the cyme commonly 5-parted, the others usu- 
ally 4-parted as in all the following species; 
follicles spreading, 14’/-2’ long, tipped with 
a slender style. 
On rocks and along roadsides, escaped from cultivation, New Brunswick to Ontario, south to 
southern New York and Pennsylvania. Adventive from Europe. Native also of northern Asia. 
Also called Bird’s-bread, Creeping Jack, Pricket, Golden-moss, Little Houseleek and Gold Chain. 
June-Aug. 
5. Sedum Torreyi Don. ‘Torrey’s 
Stonecrop. (Fig. 1814.) 
Sedum Torreyi Don, Gard, Dict. 3: 121. 1834. 
Sedum sparsiflorum Nutt.; T. & G. Fl. N. A. 1: 
559. 1840. 
Annual, low, tufted, glabrous, 2/—3/ high. 
Leaves alternate, scattered, linear-oblong, 
teretish, sessile, entire, 2’/-4’’ long; cyme 2- 
5-forked, its branches 1'4/’—2’ long; flowers 
sessile or very short-pedicelled, about 314/’’ 
broad; petals yellow, lanceolate, acute, some- 
what longer than the ovate sepals; follicles 
widely divergent, tipped with the short sub- 
ulate style. 
*“"Tn dry, open places, Missouri and Arkansas to 
Texas. May. 
ip 
6. Sedum stenopétalum Pursh. Narrow-petaled 
Stonecrop. (Fig. 1815.) 
Sedum stenopetalum Pursh, Fl. Am, Sept. 324. 1814. 
Perennial, tufted, glabrous; flowering branches erect, 3/— 
7/ high. Leaves alternate, crowded but scarcely imbricated, 
except on the sterile shoots, sessile, terete or linear, 3//-8’’ 
long, entire; cyme 3-7-forked, compact, the branches 14/~1’ 
long; flowers mostly short-pedicelled, 4’’-5’’ broad; petals 
narrowly lanceolate, very acute, yellow, much exceeding the 
calyx-lobes; follicles about 2’’ long, their subulate style-tip 
at length somewhat divergent. 
In dry rocky places, Nebraska and Colorado to Dakota and the 
Northwest Territory, west to Utah, Oregonand British Columbia. 
May-June. 
