Description
Common hazel (Corylus Avellana), left side: 1) Branch with male catkins (a) and female blossoms (b); 2) Male blossom (seen from below); 3) Stamens (enlarged); 4 - 5) Female blossom; 6-7) Branch tip with leaves and fruits, loosened nut (7); 8) Mediterranean hazel (Corylus pontica); 9) Loddiges Barcelona. Right side: 1) Turkish hazel (Corylus colurna), branch with fruits; 2) Branch with male and female blossoms, 3) Nut; 4) Seed; 5) Filbert (Corylus maxima, or Corylus tubulosa); 6) American hazel (Corylus americana); 7) Beaked hazelnut (Corylus cornuta, or Corylus rostrata), and nut (8). Wood engravings, published in 1897.