ARCTOSTAPHYT-OS. ERICA. 
205 
2. Arctostai’Hylos Adans. . 
1. A. alpiria {S\n.) ; procumbent, 1. wrinkled serrated deci- 
duous, clusters terminal . — Arbutus Sm., E. B. 20.'10. St. (5. 8. — 
St. woody, trailing, long. L. obovate, reticulated. FI. white, 
hairy about the mouth, llerry smooth, black. — Mountainous 
heaths in the north. Sh. V. S. 
2. A. Uva-ursi (Spr.); procumbent, 1. obovate entire shining 
evergreen, clusters terminal . — Arbutus Sm., E. B. 71d. St. 6. 8. 
— St. woody, trailing, long. L. obtuse, quite entire. FI. rose- 
coloured, smooth. Berry globose, scarlet. — Diy stony alpine 
heaths. Sh. VI. 
Tribe II. Ericece. 
3. Andromeda Linn. 
1. A. polifolia (L.); 1. altemate lanceolate with revolute 
margins glaucous beneath, fl. subumbellate terminal. — E. B. 713. 
— St. slender, w'oody, prostrate below. Fl. drooping, ovate, pink. 
L. evergreen, acute. Peduncles 2 or 3 times as long as the flmvers, 
not as in E. B. — Peat bogs. Sh. V. — IX. 
4. Calluna Salisb. 
1. C. vulgaris (Salisb.). — E. B. 1013. — A low tufted shrub 
with small sessile closely imbricated keeled leaves an-anged in 4 
rows, each 1. having 2 small spurs at the base and nearly or quite 
smooth. Fl. small, shortly stalked, drooping, rose-coloured or 
white. — /3. tomentosa; 1. hoary. — Diy heaths. Sh. VI. — VIII. 
Common Heath. Ling. 
5. Erica Linn. 
* Cor. globose or urceolate, stam. included, filaments capillary, 
stigma peltate. Erica D. Don. 
1. E. Tetralix (L.) ; Z. 4 in a whorl lanceolate or linear ciliated 
downy above and on the midrib beneath : margins revolute, fl. ca- 
pitate, sep. linear downy ciliated, anth. aumed, ovary downy. — 
. E. B. 1014. — St. branched below, often in a determinate manner 
: about the middle, simple iu the upper part, densely leafy below, 
i the whorls more distant towards the top and usually leaving a 
I leafless space next to the flowers. Young 1. always downy above, 
old 1. sometimes glabrous. Sep. downy and mealy. Fl. rose- 
coloured. Style usually included. — Boggy heaths. Sh. VII. VIII. 
Cross-leaved Heath. 
' 2. E. Mackaiana (Bah.) •, Z. 4 in a whorl ovate ciliated the 
1 midrib beneath and upper surface glabrous ; margins revolute, fl. 
capitate, sep ovate-lanceolate glabrous, anth. awned, ovary gla- 
