BIOLOGICAL FLORA OF THE BRITISH ISLES.

The article offers information on the study of Erica Mackaiana, a biological flora found on the isles in Great Britain. The flora is distinguished by a number of constant structural characteristics, and is known to exist in Spain as its principal habitat, and in the western part of Ireland. Further studies on the plant revealed that E. Mackaiana do not belong to the variety of E. tetralix. It is mentioned that E. mackaiana shoots very readily from its underground stems, and is tolerant to grazing and burning.