292 



BEES AND BEE-KEEPING. 



thus in mass charm the artist, one can stir emotion 

 in the breast of the true naturalist. Let us examine 

 the Erica Tetralix (the cross-leaved heath), which, 

 though less helpful to the bee than the common ling 

 {Erica vulgaris, or Calluna), is very similar to it in 

 structure. This species, during July and August, in 

 the southern parts of England, produces abundance 

 of drooping, wax-like flowers, nearly white at the 



Fig. 59.— Flower and Details ok Erica Tetralix (Cross-leayed Heath), 

 Order Ericaeece. 



A, Section of Blossom (Magnified Five times)— a, a, Anthers ; ap, ap, Appendages of 

 Anthers ; /, /, Filaments ; 0, Ovary ; s, Stigma ; /;, Sticky Hairs. B, Anther— 

 f, Filament ; ap', Part of Appendage of Anther ; p, Pore of Anther, with 

 Pollen Grains Escaping. C, Blossom (Natural Size). D, Fragment of the 

 Calyx (Magnified Twenty-five times)— 6, b, Simple Hairs ; gli, Glandular Hairs ; 

 ,17, g, Glands surrounded by Secretion. 



base, and delicately shaded with a rich pink. It is 

 certainly the most beautiful of our common indi- 

 genous heaths, and grows freely on moist, mossy 

 ground and bogland throughout the kingdom. Open- 

 ing the bell, which sways in the wind mouth down- 

 wards, we find a straight, pinkish style, terminated 

 by the stigma (s, A, Fig. 59), hanging in the centre 



