Ord. 1,] OCTANDRIA MONOGYNIA. 83 



Alpine rivul. If.. 6, 1 . Stem 3 or 4 in. simp. Pet. small, red, cloven. 



213. CHLoRA. Yellow-wort. 



1. C. perfolidta, 1.60. (Perfoliate Y.) Leaves perfoliate. Panicle 

 forked, many -flowered. 

 Chalky or clayey banks. . 7, 8. Herb glauc. 12 — 18 in. Fl. 

 bright yellow. Stigm. scarlet. 



214. VACClNIUM. Whortle-berry. 



* Leaves deciduous. 



1. V '. Myrtillus, 7. 456. (Black W. Bilberry.) Stalks solitary, 



single-flowered. Leaves ovate, serrated, membranous, smooth. 

 Stem acutely angular. Calyx wavy, nearly entire. 

 Mount heaths. Tj .5. L. bright green. Cor. red. Stam. 10. Ber. black. 



2. V. uliginosum, 9. 581. (Bog W.) Stalks somewhat aggregate, sin- 



gle-flowered. Leaves obovate, entire, smooth. Branches round. 

 Boggy mount, heaths. Tj. 4, 5. L. glauc. beneath. Anth. horned. 

 Berr. black. 



** Leaves evergreen. 



3. V. Vitis Idcea, 9. 598. (Red W. Cow-berry.) Clusters terminal, 



drooping ; with ovate concave bracteas, longer than the flower- 

 stalks. Leaves obovate, revolute, minutely toothed ; dotted 

 beneath. Corolla bell-shaped. 

 High stony heaths. I? .6. A low, Box-tree-like-shrub, with red berr. 



4. V. Oxycoccus, 5. 319. (Marsh W. Cranberry.) Leaves ovate, 



smooth, entire, revolute, acute. Stems creeping, thread-shaped, 

 smooth. Flowers terminal. Corolla deeply 4-cleft. 

 Turfy bogs. 1? . 6. Slender, trading. Berries deep-red, at first 

 spotted. 



215. MENZIeSIA. Menziesia. 



1. M. carulea, 35. 2469. (Scottish M.) Leaves linear, obtuse, with 



cartilaginous teeth. Flower-stalks terminal, aggregate, simple. 

 Flowers 5 cleft, with ten stamens. 

 Alpine heaths, Perthshire, very rare. T? . 6, 7. Fl. 4 or 5, bluish- 

 red, without bracteas. 



2. M. polifblia, Erica Dabeoci, 1.35. (Irish M.) Leaves ovate, re- 



volute ; downy and white beneath. Flowers 4-cleft, in terminal 

 leafy clusters, with eight stamens. 

 Mount. W. of Ir. \ . 6, 7. Fl. purplish-red, with 4 segm. and 4 

 angles. 



216. CALLuNA. Ling. 



1. C. vulgaris, Erica vulg. 15. 1013. (Common L.) 



Open barren heaths, and woods. T? . 6, 7. L. somewhat arrow-sh. 

 closely imbricated. Fl. shining. 



