1 66 



CRASSULACEAE. 



[VOL. II. 



4. Sedum &cre L. Wall-pepper. Biting, or Mossy Stonecrop. (Fig. 1813.) 



Sedum acre L. Sp. PI. 432. 1753. 



Perennial, densely tufted, spreading and 

 matted, glabrous; sterile branches prostrate, 

 the flowering ones erect or ascending, I'-tf 

 high. Leaves sessile, alternate, ovate, very 

 thick, densely imbricated, light yellowish 

 green, entire, about \Yz" long, those of the 

 sterile branches usually arranged in 6 rows; 

 cyme 2-3-forked, its branches J^'-i' 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, i>^ // -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, Lattle Houseleek and Gold Chain. 

 June-Aug. 



5. Sedum Torreyi Don. Torrey's 

 Stonecrop. (Fig. 1814.) 



Sedum Torreyi Don, Gard. Diet. 3: 121. 1834. 

 Sedum sparsiflornm Nutt.; T. & ('.. l-l. N. A. i: 

 559- l8 4- 



Annual, low, tufted, glabrous, 2 / ~3 / high. 

 Leaves alternate, scattered, linear-oblong, 

 teretish, sessile, entire, 2 // -4 // long; cyme 2- 

 5-forked, its branches ^j'-z' lonjj; i\<- 

 sessile or very short-pedicelled, about 3#" 

 broad; petals yellow, lanceolate, acute, some- 

 what longer than the ovate sepals; follicles 

 widely divergent, tipped with the short sub- 

 ulate style. 



" ' In dry, open places, Missouri and Arkansas to 

 Texas. May. 



6. Sedum stenopetalum Pursh. Narrow-petaled 

 Stonecrop. (Fig. 1815.) 



Sfitiim stenopetalum Pursh, Fl. Am. Sept. 324. 1814. 



Perennial, tufted, glabrous; flowering branches erect, 3'- 

 -' 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 Yt'-\' 

 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, Oregon and British Columbia. 

 May-June. 



