ERICA.] ERICACEAE. 253 



crimson-purple. Ovary glabrous. DISTRIB. W. Europe to Germany and 

 N. Italy. 



3. E. cilia'ris, L. ; ciliate and glandular, leaves 3-4 in a whorl, flowers 

 in unilateral racemes, corolla ovoid, anthers included awnless. 



Sandy heaths, Cornwall, Dorset ; fl. June-Sept. Stem 12-18 in., slender ; 

 branches many, erect, pubesjent, flowering elongate. Leave* in., close set, 

 subsessile, ovate, pulDescent above, beneath glaucous with minute scales, 

 margins recurved. Flowers inclined; pedicels very short, bracteolate in the 

 middle. Sepals ovate, pubescent and ciliate. Corolla g-| in., curved, 

 crimson, mouth small oblique. Style exserted. Ovary glabrous. DISTRIB. 

 W. France, Spain, Portugal. A hybrid with Tetralix (E. ciliaris, var. 

 Watsoni, Benth.) occurs in Cornwall and Dorset. 



4. E, va'gans, L. glabrous, leaves 3-4 in a whorl, flowers long-pedi- 

 celled in dense axillary racemes, corolla campanulate, anthers exserted 

 awnless. Cornish Heath. 



Heaths in W. Cornwall ; fl. July-Aug. Stem 1-3 ft., stout, woody ; branches 

 stiff, erect, fascicled, densely leafy. Leaves | in., linear, recurved, margins 

 reflexed over the midrib. Flowers erect ; pedicels slender, bracteolate about 

 the middle. Sepals ovate, ciliolate. Corolla fe in., pink; lobes short. 

 Ovary glabrous. DISTRIB. W. France, Spain, Portugal. 



5. E, mediterra'nea, L. ; stem erect, leaves 4 rarely 3 in a whorl, flowers 

 in dense racemes, corolla subcampanulate, anthers ^-exserted awnless. E. 

 medtterra'nea, var. hiber'nica, Hook. , E. hiber'nica, Syine. 



Boggy heaths, Mayo and Galway ; fl. April-May. Bushy, 2-5 ft., glabrous. 

 Leaves J- in., crowded, shortly petioled, linear, margins revolute to the 

 midrib and connate to the under-surface. Racemes terminal and axillary ; 

 pedicels solitary or in pairs, short, 2-bracteolate in the middle. Sepals ovate- 

 lanceolate. Corolla pink, cylindric-campanulate, lobes broad. Anthers 2-fid 

 at the tip. DISTUIB. S.W. France, Spain. 



6. CALLU'NA, Salisb. LlNG. 



A much-branched, gregarious shrub. Leaves minute, decussate, imbricate 

 (whence the branches appear tetragonal). Flowers on axillary peduncles 

 with 2 pairs of opposite bracts under the calyx, honeyed, hoinogamous. 

 Sepals 4, scarious, coloured. Corolla shorter than the sepals, hypogynous, 

 4-partite, persistent. Stamens 8, inserted on the disk ; anthers awned, 

 slits short lateral. Ovary 4-celled ; stigma dilated ; ovules 2, pendulous 

 from the top of each cell, Capsule 4-celled, septicidally 4-valved, septa 

 attached to the axis. Seeds 1-2 in each cell, attached to the central 

 column. DISTUIB. Europe (Arctic), (excl. Greece, Turkey,) W. Siberia, 

 Azores, Greenland, N. America (very rare). ETYM. jcoAAtW, the twigs 

 being used for sweeping. 



C. vulga'ris, Salisb. ; leaves 3-gonous gibbous at the base. 

 Heaths and moors, N. to Shetland ; ascends to 3,300 ft. in the Highlands ; 

 Ireland; Channel Islands; fl. July-Sept. Stem 1-2 ft., woody, inclined; 



