494 ORDER 73. ERICACEAE. 



4 P. elliptica Xutt. Lvs. elliptical, 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. 

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

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



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

 dilated petiole ; scapa 3-angled ; segm. of cal. ovate, por&: of anth. distinctly tubu- 

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

 (Jan. 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. Scape G to 12 high, bracteate 

 at baso and in tha middle?. FIs. 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. renif arm-orbicular, coriaceous, entire or crenulate, 

 shorter than the dilated petiole ; scapo 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, 

 \\ 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. p,6vo$, one, ijms, delight ; i. e., one 

 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. 

 It 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, Vt., Keenc, N. H. 

 .(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 Ihe middle. Flower 9" diam. June. (Pyrola uni- 

 tiora L.) 



27. CHIMAPH'ILA, Ph. PIPSISSIWA. (Gr. #/ua, winter, 0fA,t'w, to 

 love; equivalent to the English name Winter green.} Calyx 5-partcd ; 

 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 T opening from the summit; seeds GO. 

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

 rauline, serrate, evergreen, opposite or irregularly verticillate. Fls. ter- 

 minal. (Fig. 45.) 



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

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

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

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

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

 green color. Peduncle terminal, erect, 3 4' long, bearing 47 light purple flow- 

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

 tonic and diuretic (Bw.) 



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

 nlte, decolored, opposite or in 3:<: pcd.'lZ-flmrrrrd; fil. woolly. Can. to Car. 



