CAXLUNA. ERICA. 225 



4. Caut'na Salisb. Ling. 



1. C. vidgdris (Salisb.) — A low tufted shiub. L. small, 

 sessile, closely imbricate, patent, in 4 rows, keeled, each with 

 2 small spurs at the base, nearly or quite smooth. H. small, 

 shortly stalked, drooping, lilac-rose-coloured or white, with the 

 lower ped. leafy; sep. and pet. oblong erect ; 11. -raceme ending 

 m a leafy shoot. L. sometimes hoary. — C, atlantica (Seem.) in 

 Jmim. of Bot. iv. t. 53, has adpressed 1., ped. aU leafless, sep. 

 and pet. orate and inflexed, fl. -raceme not leafy at the end, and 

 is much less hardy. It is said to occur in Scotland, and may 

 be distinct— Dry heaths. Sh. YL— MH. E. S. I. 



5. Eei'ca Linn. Heath. 



* Cor. globose or urceolate, stam. included, filaments ^filiform 

 Jlatterted, stignui peltate. Ebica D. Don. 



1. E. Tedralix (L.) /. 4 in a whorl lanceolate or linear ciliate 

 downy above mid on the rradrib beiieath with revolute edges, fl. 

 in an umbellate head, sep. linear downy ciliate, anth. spurred, 

 ovary downy. — St. branched below and often markedly about 

 the middle, simple in the upper part, densely leafy below, the 

 whorls more distant towards the top and usuaUj leaving a 

 leafless space next to the flowers. Tips of young shoots green. 

 Young 1. always downy above, old 1. sometimes glabrous. Sep. 

 downy and mealy. Fl. rose-colouied. Style usually included. 

 — ^. Watsoni; cor. ventricose, fl. more or less racemose. It 

 may be a hybrid. — Boggy heaths. j3. Truro, Cornwall. Sh. 



vn. vm. E. s. I. 



2. E. Mackaidna (Bab.) ; i 4 in a whorl ovate ciliate the 

 midrib beneath and upper surface glabrous with revolute edges, fl. 

 in an umbellate head, sep. ovate lanceolate glabrous, anth. spurred. 

 ovary gUibrom. — E.B. S. 2900. — St. irregularly branched through- 

 out, particularly above, densely and equally leafy quite up to the 

 flowers. Tips of young shoots pink. L. and sepals quite without 

 down ; 1. mealy teneath but the midrib bare ; sep. with a small 

 portion of meal near the apex beneath, otherwise quite bare. Fl. 

 purplish. Style protruded. — ^Between Roundstone and Clifden, 

 Galway. Sh". Vm. IX. Mackays Heath. I. 



3. E. cinerea (L.) ; I. S in a whorl linear-lanceolate acute 

 keeled beneath with a centred furrow glabrous, fl. in dense whorled 

 racemes, sep. linear-lanceolate smooth acute keeled, anth. spurred, 

 ovary glabrous. — St. with many upright branches. L. flat above, 

 minutely serrulate. Fl. reddish purple. — Dry heaths. Sh. Xll. 

 Mil. Mne-leaced Heath. E. S. I. 



