320 POPULAR FIELD BOTANY. 
DIADELPHIA. DECANDRIA. 
CALYCIFLOR. FABACEZ. 
LOTUS. (Biro’s-roor TREFOIL.) 
Generic Character. Calyx tubular, five-cleft.  Seed-vessel 
cylindrical, spongy within, and imperfectly divided by cross 
partitions. 
Lorus cornicuLatus. Common Bird’s-foot Trefoil. This 
is a common plant everywhere. Its pretty heads of eight or 
ten bright yellow, and often red or deep orange flowers just 
rise above the grass, for the plant is very procumbent, and 
lies close to the ground. The leaves are formed of three 
oval leaflets. Another species, which greatly resembles it, 
but having a more erect stem, is the 
Lorus masor. Narrow-leaved Bird’s-foot Trefoil. Its 
flowers are also on long foot-stalks, but its place of growth 
is different, the former growing on dry soil, and the latter. 
on the sides of ditches, and in moist bushy places. 
POLYADELPHIA. POLYANDRIA. 
THALAMIFLORA. HYPERICACE. 
HYPERICUM. (Sr. Joun’s wort.) 
Generic Character. Calya with five leaves, below the seed- 
