214 47. ERICACEAE. 



pink, occasionally 4-fid and 8-androus. L. evergreen, acute. 

 Peduncles 2 or 3 times as long as the flowers, not as in E. B. 

 Peat bogs. Sh. V. IX. 



4. CALLUNA Salisb. Ling. % 



1. C.vulgaris (Salisb.). E. B. 1013. A low tufted shrub. 

 L. small, sessile, closely imbricated, keeled, in 4 rows, each with 

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

 shortly stalked, drooping, lilac-rose-coloured or white. /3. tomen- 

 tosa; 1. hoary. Dry heaths. Sh. VI. VIII. 



5. ERICA Linn. Heath. 



* Cor. globose or urceolate, stam. included) filaments capillary, 

 stigma peltate. ERICA D. Don. 



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

 downy above and on the midrib beneath, margins revolute, fl. ca- 

 pitate, sep. linear downy ciliate, anth. awned, ovary downy. 

 E. B. 1014. St. branched below, often in a determinate manner 

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

 the whorls more distant towards the top and usually 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-coloured. Style usually included. 

 )3. Watsoni ; cor. ventricose, fl. more or less racemose. It 

 may be a hybrid. Boggy heaths. /3. Truro, Cornwall. Sh. 

 VII. VIII. 



2. E. MacJcaiana (Bab.) ; I. 4 in a whorl ovate ciliate the 

 midrib beneath and upper surface glabrous, margins revolute, fl. 

 capitate, sep. ovate-lanceolate glabrous, anth. awned, ovary gla- 

 brous. E. B. S. 2900. St. irregularly branched throughout, 

 particularly above, densely and equally leafy quite up to the 

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

 down ; 1. mealy beneath 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, 

 Cunnamara. Sh. VIII. IX. Mackay's Heath. I. 



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

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

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

 ovary glabrous. E. B. 1015. St. with many upright branches. 

 L. flat above, minutely serrulate. Fl. reddish-purple. Drv 

 heaths. Sh. VII. VIII. Fine-leaved Heath. 



4. E. ciliaris (L.) ; Z. 4 in a whorl ovate ciliate the margins 

 revolute,^. in terminal unilateral racemes, anth. without awns, 



