PI. ex. cal. 
402 164. Empetrum. 36. ERICINiE. 
Empelrum nigrum . Black crake-berry. 
Stem procumbent; twigs bald; leaves oblong, blunt, 
bald ; edge turned over, fringed. 
Empetrum montanum, frnctu nigro, Ran Syn. 444, 1. 
Erica baccifera procumbens, Ger. em. 1383, 9. 
Erica baccifera nigra, Park. 1485. 
Empetrum nigrum, Lin. S. P. 1450. 
Crow-berries. Blackberry heath. 
Mountain heaths ; shrubby ; May. 
Bark falling off ; inner bark yellow ; leaves membra- 
naceous, swollen, furrowed underneath; petioles very short; 
corolla and anthers purple; berries black. 
XI. 165. PYROLA. Brunsfel. Winter-green . 
Calyx very small, 5-parted; corolla 5-parted; stamens 10, 
2 at the base of each lobe ; anthers opening by 2 reverse- 
ovate foramens at the base, becoming reversed ; stigfha pel- 
tate ; capsule 5-celled, many-seeded ; dehiscence loculicidal ; 
seeds with a membranous wing. — Stem creeping, scaly, 
twigs upright; leaves perennial, alternate, petioled, bald; 
flowers peduncled, terminal, whitish, racemose, mostly 
drooping; braciea mostly 1 at the base of each peduncle. 
a. Orpheus. Corolla irregular ; stamens ascending; style 
declinate ; stigma rotate , 5-tubercled 9 with a central point ; 
nectary 0. 
1 . Pyrola rotundifolia. Round-leaved winter-green. 
Leaves roundish ; racemes many-flowered ; bractece lan- 
ceolate, as long as the peduncles; calyx as long as the sta- 
mens ; stamens ascending ; style declinate, twice as long as 
the stamens. 
Pyrola, Raii Syn. 363, 1 ; Ger. em. 408, 1. 
Pyrola nostras vulgaris, Park. 508. 
Pyrola rotundifolia, Lin. S. P. 187. 
Pyrola declinata, Mcench Meth. 315. 
Common winter-green. 
Woods and mountains; perennial; July. 
Root scaly, creeping ; leaves dilated, slightly crenated, 
rather leathery, about as long as the petiole; bractece few, 
on the lower part of the peduncle ; flowers white. 
\ 
b. Pyrola. Cor. regular; stamens incurved; anthers opening 
at top; stigma peltate ; nectaries 5 ; racemes regular. 
2. Pyrola media. Middlesize winter-green. 
Leaves roundish ; racemes many-flowered ; peduncles 
twisted ; corolla globose ; stamens regularly inflected, longer 
