222 POPULAR FIELD BOTANY. 
a yellow blossom, as well as the last, but on stems, six or 
eight inches high, and in a large head, or cyme. Its flowers 
are found late in the month, on walls, roofs, and thatched 
buildings. These are the two most common of the Yellow- 
flowered Sedums. 
Sepum aLBuM. White Stonecrop. The flowers are white, 
occasionally tinged with red, and in a crowded bunch. 
Stems prostrate, but the flowers risg from three to five 
inches high. Leaves pale green, sometimes tinged with 
red. It is found on rocks, walls, and roofs of houses in 
some of the midland counties. Occasionally it is pickled 
like Samphire. 
One species common in the Highlands, where its white 
star-like flowers cover sandy and rocky places near the sea, 
is called 8. anglicum. North Wales also produces it. 
DECANDRIA. PENTAGYNIA. 
THALAMIFLORZ. CARYOPHYLLACE. 
SPERGULA. (Spurrey.) 
Generic Character. Calyx five-cleft. Petals five, undivided: 
Seed-vessel with five cells, and numerous seeds. 
