"Thesium pratense. 1. a flower; 2. the same laid open; 3. half an unripe fruit; 4. placenta and pair of ovules; 5. half the ripe fruit and seed." -Lindley, 1853

Thesium

"Thesium pratense. 1. a flower; 2. the same laid open; 3. half an unripe fruit; 4. placenta and pair…