456 ERICACEAE. Cuimapiiila. 



prodr. 7. p. 775. Pyrola maculala, Linn. sp. 1. p. 396 ; Michx. Jl. 1. p. 251 ; Bot. mag. 

 t. 897; Bi^el. fl. Bost. p. 175; Tow.fi. \.p 435 ; Beck, hot. p. Ill \ Darlingt. fl. Cest. 



p. 267. 



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

 to a sharp point, purpHsh 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, puberuleiit, 3-5 inches long. Flowers usually 2 or 

 3, but sometimes solitary, larger than in P. umhellala. Pedicels about ihrce-fourllis 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 ternriinal pore). Ovary iree from the calyx. Fruit a capsule, 

 opening as in Pyrolea;. Seeds with a loose or winged testa. — Herl)aceous 

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

 instead of leaves. 



14; MONOTROl'k. Zuin. (excl sp.) ; Endl. gen. i35l. BIRD'S NEST. 



[ From the Greek, monoi, one, and <repo, to turn; the flowcis being turned 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 flat. 

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

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



\ 1. MoNOTROPA proper. Stem <me-fiowerei. Plant inodorous. 



1. MoNOTROPA UNIFLORA, LiiiTi. (Plate LXXI.) Indian-pipe. Tobacco-pipe. 



Stem smooth ; flowers nodding, at length erect ; stamens 10. — Linn. sp. 1. p. 387 ; Michx. 



fl.l.p. C66 ; Pursh.fi. 1. p. 303 ; Nutt. gen. l.p. 271 ; Ell. sk. \.p. 477 ; Bigel.fi. Bost. 



p. no ; Bart. fl. N. Am. t. 86. /. 1 ; Torr. fl. I. p. 431 ; Beck, bot. p. 268 ; Darlingt. 



