Oregon, and from Washington to Alaska, in bogs, meadows 
and copses. The material figured came in June, 1916, 
from Mr. F. R. 8. Balfour, of Dawyck, Peeblesshire, 
where the plant was grown from roots collected by him 
in the Olympic Mountains, Washington. Pyrola uliginosa 
belongs to the section Thelaia, characterised by having 
the petals smooth, not tuberculate, at the base, ascend- 
ing stamens, and a declinate style dilated near the apex 
into a ring or collar, and contracted above into a stigma 
of five erect lobules. The connivent stamens are directed 
towards the upper petals, while the style curves sharply 
away from them towards the lowermost petal, which forms 
a kind of lip. To this section belongs the well-known 
P. rotundifolia, Linn., distinguished from P. uliginosa by 
its more coriaceous shining leaves, larger white flowers 
and much longer calyx-lobes. The variety incarnata, DC., 
of P. rotundifolia (P. incarnata, Fisch.) of Eastern Asia 
has rose-coloured or reddish flowers, and some botanists 
have identified it with P. wliginosa, but it differs in its 
more coriaceous shining leaves and longer calyx-lobes. 
The North American P, asarifolia, Michx., is distinguished 
by its suborbicular-reniform Jeaves, which are usually 
more or less cordate at the base. The characters 
distinguishing P. wliginosa from P. bracteata, Hook., 
are mentioned in the remarks on that species, a figure 
of which is also given on t. 8710. 
Descriprion.— Herb, perennial, with a long creeping rootstock; stem very 
short. Leaves nearly orbicular or ovate-elliptic, apex rounded rarely somewhat 
acute, base slightly cuneate and at times unequal, finely crenulate, up to 8 in. 
long, 23 in. wide, thin, quite glabrous, dark green but not polished above, paler 
and sometimes reddish beneath; petiole up to 4 in. long, sharply 8-angled. 
Scape erect, 6-12 in. high, glabrous, ridged, with 1-3 lanceolate membranous 
scales 3-3 in. long. Raceme 2}~4 in. long, laxly 5-20-flowered ; bracts lanceo- 
late, membranous, flushed with rose, about as long as the slender, 3-1 in. long 
pedicels, Flowers nodding, fragrant. Calyx 5-lobed; lobes ovate-triangular 
or ovate-lanceolate, ;4-3 in. long, ;1; in. wide at the base, acute at the apex. 
Corolla bright red-purple or rose-coloured, especially outside, within usually 
pale rose, about } in. across; petals obovate or elliptic, concave, rounded at 
the apex, }-} in. long, and nearly as wide. Stamens 10, approximated, ascend- 
ing; anthers purple or rose, their cells shortly mucronate at the base. Ovary 
depressed-globose, 5-lobed, glabrous; style declinate, about } in. long, annulate 
at the apex; stigma 5-lobulate. Fruit depressed-globose, about 2 in. across, 
Tas, 8710a.—Fig. 1, flower, with petals removed; 2, pistil; 8, transverse 
section of ovary; 4, longitudinal section of ovary :—aill enlarged. 
