494 ORDER 73. ERICACEAE. 



4 P. ellfptica Nutt. Los. dliptical, membranous, obscurely dentate, longer than 

 the petioles; scapo mostly naked; cal. small, with ovate, obtuse segments, pores 

 of the anth. scarcely tubular. In woods, Can. and N. States to Wis. Lvs. 1 to 2' 

 long, more than half as wide, mostly acute, subentire, thin, smooth and light 

 green. Scape 5 to 9' high, slender, seldom bracteate, bearing short racemes. 

 Ms. nodding, very fragrant ; pedicels longer than the bracts, but only half as long 

 as the decimate, recurved style. Pet. white. Jl. 



5 P. rotundifolia L. Lvs. orbicular-ovate, entire or crenulate, shorter than the 

 dilated petiole ; scape 3 -angled ; segm. of cal ovate, pore* of anth. distinctly tubu- 

 lar ; sty. clavate, the 5 stigmas projecting and often distinct. Common in woods, 

 Can. to Car., "W. to Wis. Lvs. all radical, round or inclining to ovate, nearly 2' 

 diam., smooth and shining, with conspicuous, reticulate veins, petioles margined, 

 as long as, and sometimes longer than the blade. Scapo 6 to 12' high, bracteate 

 at base and in the middle. Fls. drooping, large, fragrant, white, in an oblong, 

 terminal raceme. Jn.. Jl. 



/?. ULIGINOSA. Lvs. rather dull, petioles much longer than the blade; fls. 

 smaller. Swamps, Galen, N. Y. (Sartwell), &c. (P^ uliginosa Torr. & Gr.) 



6 P. asarifolia MX. Lvs. reniform-orbicular, coriaceous, entire or crenulate, 

 shorter than the dilated petiole ; scape angular, furrowed ; rac. lax, many-flow- 

 ered ; segm. of cal. triangular-lanceolate ; anth. not produced into tubes ; sty. 

 produced beyond the sheath. In old woods, Can. and N. States. Lvs. all radical, 

 1J- to If diam., smooth and shining, conspicuously cordate at base, longer than, 

 but not twice as long as the margined petioles. Scape 5 to 10' high, purplish, 

 bracteate at base and near the middle, racemous one half its length. Fls. nod- 

 ding, remote, large, deeply tinged with purple in all their parts. Sty. about the 

 same length and curvature as the pedicels. Jn. 



26. MONE'SES, Salisb. (Gr. povog, one, ^, delight ; i. c., ono 

 pretty flower.) Calyx 5-parted; cor. 5-parted, rotate; sta. 10, regular, 

 2-spurred at base, opening by 2 tubular pores at apex ; sty. rigid ; stig. 

 peltate, radiately 5-cleft or lobed ; caps. 5-valved, 5-celled, many-seeded. 

 2 Low, simple, smooth. Lvs. at top of the stem roundish, crenu- 

 late, petiolate, veiny. Peduncle terminal, one-flowered, longer than the 

 stamens. Fls. white. 



M. grandiflora Salisb. Woods, among mosses, Bradford, Yt., Keene, K II. 

 (Bigelow), Dexter, Jeff. Co., N". Y. (Vasey), Brit. Am. Root creeping. Stem 

 ascending, very short. Leaves 7 9" diam. Scape or peduncle about 3' high, 

 slender, with a bract near the middle. Flower 9" diam. June. (Pyrola uni- 

 fiora L.) 



27. CHIMAPH'ILA, Ph. PIPSISSIWA. (Gr.#e2/za, winter, ^At'o), to 

 love ; equivalent to the English name Wintergreen.) Calyx 5-parted ; 

 petals 5, spreading; stamens 10 ; filaments dilated in the middle ; anth. 

 cells produced into tubes, opening by a 2-lipped pore at apex ; style 

 very short, thick ; capsule 5-celled, opening from the summit ; seeds oo. 

 Small, suffruticous, evergreen plants, with the habit of Pyrola. Lvs. 

 cauline, serrate, evergreen, opposite or irregularly verticillato. Fls. ter- 

 minal. (Fig. 45.) 



1 C. umbellata Nutt. PRINCE'S PINE. Lvs. cuneate-Ianceolate, serrate, in 4s 

 6s; umbel 4 to 7-flowered; bracts linear-subulate; sty. immersed in the ovary. 

 It In dry woods, flowering in July. A common, little evergreen, Can. and N. 

 States. Leaves in 2 or more irregular whorls, 2 3' long, as wide, remotely 

 and distinctly serrate, on short petioles, coriaceous, shining, of a uniform dark 

 green color. Peduncle terminal, erect, 3 4' long, bearing 4 7 light purple flow- 

 ers on nodding pedicels 8" long. Jl. Both this and the following species are 

 tonic and diuretic (Bw.) 



2 C. maculata Pursh. Lvs. lanceolate, acuminate, rounded at base, remotely ser- 

 rate, discolored, opposite or in 3s; ped. 2 3-flowered; fil. woolly. Can. to Car. 



