EKICACKiE. (iII!;aTII FAMILY.) 303 



and northward. July, Aug. — Scape 5' -10' high. Flowers small, crowded, 

 white or rose-color. (Eu.) 



24. MONESES, Salish. One-flowkrkd Pyuola. 



Petals 5, widely spreailing, orhicular. Filamcuts awl-shaped, naked : anthers 

 as in Pyrola, but conspicuously 2-liorned. Style straight, exseried : stigma 

 large, peltate, with .5 narrow and conspicuous radiating lobes. Valves of the 

 pod naked, as in the next genus. (Parts of the flower occasionally in four.-.) 

 Scape 1-tlowercd. Otiierwise as in Pyrola : intermediate between it and C.'liima- 

 phila. (Name funned of fxovos, siiujle, iind r^ais, deliyhl, from the pretty and 

 solitary flower.) 



I . M. unifldra. (Pyrola uniflora, L.) — Deep cold woods, from Penn. and 

 New England nortbward. June. — A small perennial, with the rounded and 

 veiny serrate thin leaves (6" -9'' long), clustered at the ascending apex of creep- 

 ing subterranean shoots; the 1-2-bracted scape (2'-4'high) bearing a white 

 or rose-colored terminal flower G" wide. (Eu.) 



25. CHIMAPHILA, Pursh. Pipsissewa. 



Petals .5, concave, orbicular, widely spreading. Stamens 10 : filaments en- 

 larged and hairy in the middle : anthers as in Pyrola, but more or less consi)ic- 

 uously 2-horned. Style very short, inversely conical, nearly immersed in the 

 depressed summit of the globular ovary : stigma broad and orbicular, disk- 

 shapeil, tlie border .5-crcnate. Pod, &c. as in Pyrola, but splitting from the 

 apex downwards, the edges of the valves not woolly. — Low, nearly herbaceous 

 plants, with long running underground shoots, and evergreen thick and shining 

 leaves, somewhat whorled or scattered along the short ascending stems : the 

 fragrant (white or purplish) flowers corymbcd or timbelled on a terminal pe- 

 duncle. (Name from x^'M'"' winter, and (f)i\i(t), to luve, in allusion to one of the 

 popular names, viz. Winti'njreAU.) 



1. C. umbellata, Xntt. (Puixce's Pixk. Pipsissewa.) fxaves wedcje- 

 lanceolate, unite at the Ixisr, sharply serrate, not s/)olt(d ; peduncles 4-7-flowered. 

 — Dry woods : common. June. — Plant 4'- 10' high, leafy : petals flesh-color : 

 anthers violet. (Eu.) 



2. C. macul^ta, Pursh. (Spotted Wixtergreen.) Leaves ovate-lan- 

 ceolate, obtuHu at the base, remotely toothed, the vppfr surface variefjaled ivith white; 

 peduncles 1 - S-flowcred. — Dry woods: most common in the iliddlc States. 

 June, July. — Plant 3' -6' high. 



26. PTEROSPORA, Nutt. Pixe-dkops. 



Calyx .'j-])arted. Corolla ovate, .urn-shaped, 5-toothed, jjcrsistent. Stamens 

 10: anthers 2-cellcd, awned on the back, opening lengthwise. Style short: 

 stigma 5-lobed. I'od glol)ose, depressed, 5-lobed, 5-celled, loculicidal, but the 

 valves cohering with the columella. Seeds very numerous, ovoid, tapering to 

 each end, the apex expan<led into a broad reticulated wing many times larger 

 than the body of the seed. — A stout and simple purplish-brown elami4y-pubcs- 



