ERICA.] ERICACEAE. 233 



whorls, spreading, linear, obtuse, rarely glabrous ; margins revolute to the 

 midrib. Flowers drooping ; pedicels short, bracteolate in the middle. Sepals 

 oblong-lanceolate. Corolla gin., mouth scarcely oblique, rose-red, upper 

 side darkest. Ovary rarely glabrous, usually woolly and with gland-tipped 

 cilia. DISTEIB. N. and W. Europe, eastwards to Russia and Transylvania. 



Sub-sp. TET'RALIX proper ; pubescent, branches irregular, leaves linear- oblong. 



Sub-sp. MACKAY'I, Hook, (sp.) ; puberulous or almost glabrous, hairs not gland- 

 tipped, branches subcorymbose, leaves ovate-oblong strongly ciliate glabrous 

 above and on the midrib, margins less recurved, sepals and capsule glabrous. 

 E. Mackaiana, Bab. Heaths between Roundstone and Clifden, Galway. (A 

 hybrid, Moore and More, Cyb. Hib.; also found in Spain.) 



2. E. cine'rea, L.\ glabrous, leaves 3 in a whorl, flowers in whorled 

 racemes, corolla ovoid mouth regular, anthers included with toothed 

 appendages at the base. 



Heaths and commons ; ascending to 2,200 ft. in the Highlands ; fl. July-Sept. 

 Stems 1-2 ft., much-branched ; branches slender, ultimate pubescent. Leaves 

 -| in. , irregularly whorled, with short leafy branches in the axils, linear, 

 acute, margins revolute to the midrib. Flowers drooping or horizontal ; 

 pedicels short, puberulous ; bracteoles under the calyx. Sepals ovate- 

 lanceolate. Corolla ,^-g in. , crimson-purple. Ovary glabrous. DISTRIB. W. 

 Europe from Norway to Spain, eastwards to Germany and N. Italy. 



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

 in unilateral racemes, corolla ovoid, anthers included awnless. 



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

 slender ; branches many, erect, pubescent, flowering elongate. Leaves ^ in., 

 close set, subsessile, ovate, pubescent above, beneath glaucous with minute 

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

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

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

 .Normandy, Spain. A hybrid between E. ciliaris and Tetralix (E. ciliaris, 

 var. Watsoni, Benth.) grows near Truro. 



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

 celled in dense axillary racemes, corolla campanulate, anthers exserted 

 2-partite awnless. Cornish Heath. 



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

 erect, fascicled, densely leafy. Leaves 3 in., linear, recurved, margins so 

 reflexed as to cover the midrib. Flowers erect ; pedicels slender, bracteolate 

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

 Ovary glabrous. DISTKIB. W. of France, Spain. 



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

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

 E. mcditerranea, var. hibernica, Hook. ; E. hibemica, Syme. 



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

 Leaves |-^ 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-lanceo- 

 late. Corolla pink, cylindric-campanulate, lobes broad. Anthers 2-fld at 

 the tip. DISTRIB. W. of France, Spain, Mediterranean shores. 



