SILENALS. 
124 : BUCKWHEATS, 
1. F. esculentum Meisner.—(Buckwueat.) Fig. 181. 
Rumex. Linneus. 
Sepals6, the3 inner larger, 
growing, converging, 
and finally concealing 
the nut. Stamens 6. 
Stigmas pencilled. Em- 
bryo lateral. 
1. R. alpinus Linnaeus. — 
(Monx’s Ruvsars.) 
Radical leaves roundish, 
cordate, obtuse ; inner 
sepals cordate, mem- 
branous, entire, or 
slightly toothed, with- 
out a callus. 
Habitat. Alps of Europe. 
Quality. Root yellow, fleshy, 
astrin; urgative, 
Uses. rg = sin formerly, 
but not so powerful. 
2. R. Hydrolapathum Hud- 
son.—(WaterR Dock.) 
Fig. 182. 
Leaves lanceolate, narrow- 
ed at the base, with the 
petiole flat on the upper 
side; inner sepals ovate- 
triangular, entire, or 
slightly toothed, all cal- 
liferous ; racemes pani- 
cled, leafless. 
_, Fig. 181.—a, flower of Fagopyrum esculentum, magnified; b, fruit of do.; 182. Rumex Hyd 
Sepals concealing the fruit; b, one of the sepals.” : 
thum ; a, ripe 
Leaves sagittate, cordate, acuminate ; 
racemes corymbose ; flowers white. 
Habitat. Commonly cultivated. 
Quality. Nuts filled with starchy 
matter ; grateful to pheasants, — 
Uses. The flour largely consumed as ~ 
food. Herbage ploughed in as~ 
a green-crop. 
