96 Campanulaceae — Ericaceae. 



lll.—PHYTEUMA. 



Phyteu'ma orbicula're (9). Rampion. 7 — 8. Stem erect or decumbent, 

 (899) 6 — 18 in,, radical leaves ovate long petiolate, flowers deep blue in 

 globular heads, corolla 5 -cleft up to the base, segments linear. 



[M. W. Wl. 



ORDER 42. — Ericaceae. 



Calyx inferior or superior 4-cleft. Corolla hypogynous or epigynous 

 usually campanulate 4 — 5-lobed or toothed. Stamens equal in number to the 

 lobes of the corolla or twice as many, hypogynous or epigynous. Ovary 4 — 5- 

 celled many-seeded. Style I. Stigma i. 



Herbs, 401 



Shrubs, 402 



401 Leaves green, Pyrola V. 



401 Leaves reduced to scales, Monotropa VI. 



402 Ovary inferior, stamens epigynous, . . Vaccinium IV. 



402 Ovary superior, stamens hypogynous, 403 



403 Corolla deciduous Andromeda III. 



403 Corolla persistent, 404 



404 Calyx single 4-partite, capsule loculicidal, . . Erica I 



404 Calyx double, 4 sepals and 4 bracts resembling 



an outer calyx, capsule septicidal, . . . Calluna II. 



I.— ERICA, 



Calyx 4-partite, corolla campanulate or ovate 5-toothed, stamens 8, 

 inserted on a hypogynous disk, capsules 4-celled many-seeded, dehiscence 

 loculicidal. 



ERI'CA TET'RALIX (109). Cross-leaved Heath. 7—8. Leaves four 

 (920) in a whorl lanceolate, flowers rose-coloured drooping 6 to 12 in an 



umbel. Heaths. 



ERI'CA CI NE'REA (i-o8). Fine-leaved Heath. 7—9. Leaves three in 

 (922) a whorl linear, flowers crimson in a dense whorled raceme. Heaths. 



ll.-^CALLUNA. 



CALLU'NA VULGA'RIS (no). Common Ling. 7—9. Calyx of 4 

 (918) coloured sepals with outer coloured bracts, corolla shorter than the 

 calyx 4-partite, leaves very small closely imbricated in few rows, flowers 

 rose-coloured or white small drooping in racemes. Heaths. 



