JULY. 285 
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OcTANDRI Monoeynia. 
COROLLIFLOR2. ERICACE. 
ERICA. (Hearu.) 
Generic Character. Calyx below the fruit, of four leaves. 
Corolla of one petal, bell-shaped, or ventricose. 
We have only three species of this plant common in 
England. 
Erica (Calluna) vutearts. Common Ling. Common 
on all heaths and moors, and much used for brooms and 
fuel. It is a low, much branched, straggling shrub. Leaves 
very small, opposite, and closely wrapped one over the other 
in four rows. Flowers small, reddish, shining, drooping, 
and not stalked. Sometimes found white. 
Erica CINEREA. Fine-leaved Heath. Abundant on heaths 
and moory ground. Fasily distinguished by its long rows — 
of dark purple, bell-shaped flowers, the leaves being long 
and narrow. 
Erica TETRALIX. Cross-leaved Heath. Perhaps the 
most beautiful of the three, with its little head of delicate 
rose-coloured flowers, larger than either of the other species, 
and drooping gracefully at the top of the stalk. Sometimes 
found of a pure white. Leaves four in a whorl. These 
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