centaurea (Cornflower), all shades of blue; three feet; blooms three months if kept cut.
There, as in the Bakhtiari country, the people stack the centaurea alata for winter fodder.
centaurea spinescens, Linaria, Joussa, and one or two Astragali.
Artemisiæ one or two, centaurea spinosa, Salsola cordifolia and aphylla?
centaurea (Bachelor's Button) should especially have an entire bed to itself.
Some cultivation was observed, but as usual weedy, abounding with two species of centaurea.
In centaurea cyanea, the disposition of the limb of the ray is such that the incomplete part or the fissure is outside.
centaurea or cornflower, the bachelor's button or ragged sailor of old gardens, is in the front rank of the worthies.
Ray-florets when present are usually pistillate, but neuter in some genera (as centaurea); the disk-florets are hermaphrodite.
The moth is out in July and in August, and may often be seen resting on the flowers of knapweed (centaurea) in the daytime.