456 ERICACE^. Chimaphila. 



prodr. 7. p. 775. Pyrola maculata, Linn. sp. 1. p. 396 ; Michx. ft. \. p. 251 ; Bot. mag. 

 t. 897; Bigel. ft. Bost. p. 175; Torr.fl. \.p 435 ; Beck, hot. p. 227 ; Darlingt. ft. Cest. 

 p. 267. 



Habit in every respect that of the preceding species. Leaves about 2 inches long, tapering 

 to a sharp point, purplish underneath, dark green above and marked with a broad whitish line 

 along the midrib and primary veins ; the teelh sharp and salient. Peduncles usually solitary, 

 but sometimes two from a single stem, puberulent, 3-5 inches long. Flowers usually 2 or 

 3, but sometimes solitary, larger than in P. umbellata. Pedicels about three-fourths of an 

 inch long. Petals white, with a tinge of violet. Stamens violet-purple ; the lower part of 

 the filaments dilated into a broad roundish disk, which is very villous on the upper part. 

 Style slightly exserted : stigma convex. 



Woods ; frequent. Fl. June and early part of July : usually about two weeks later than 

 the preceding species. It is not used medicinally, and is only slightly aromatic. 



Suborder IV. MONOTROPEiE. Nutt. The Bird's-nest Tribe. 



Petals distinct or united. Anthers opening longitudinally or by t-ansverse chinks 

 (never by a terminal pore). Ovary free from the calyx. Fruit a capsule, 

 opening as in Pyrole^e. Seeds with a loose or winged testa. — Herbaceous 

 plants, parasitic on the roots of trees, destitute of green color, and with scales 

 instead of leaves. 



14. MONOTROPA. Linn, {excl a^.); Endl. gen. 'i35l. bird'S-NEST. 



[ From the Greek, monos, one, and trepo, to turn; the flowers being tarned to one side.] 



Calyx none. Corolla 4 - 5-petalled, persistent : petals slightly united below, gibbous at the 

 base. Stamens 8 - 10 : filaments alternating at the base, with short reflexed tooth-like 

 processes : anthers excentrically peltate or reniform, one-celled, at length opening fiat. 

 Ovary ovoid : style cylindrical : stigma orbicular, dilated, depressed in the centre. Capsule 

 4 _ 5-celled. Seeds subulate. — Flowers nodding, finally erect. 



§ 1. MoNOTROPA proper. Stem one-flowered. Plant inodorous. 

 1. MoNOTROPA UNiFLORA, Liun. (Plate LXXI.) Indian-pipe. Tobacco-pipe. 



Stem smooth ; flowers nodding, at length erect ; stamens 10. — Linn. sp. \. p. 387 ; Michx. 

 fl.l.p. S66 ; Purshyfl. 1. p. 303 ; Nutt. gen. l.p. 271 ; Ell. sk. I. p. 477 ; Bigel. fl. Bost. 

 p. 175 ; Bart. fl. N. Am. t. 86. /. 1 ; Torr. fl. 1. p. 431 ; Beck, bot. p. 268 ; Darlingt. 



