630 ERICACEAE (hEATH FAMILY) 



stigma naked. — Dark and rich woods, nearly throughout the contfnent. June- 

 Aug. (Mex., Asia.) 



§2. HYPOPITYS [Dill.] Gray. Plant commonly fragrant; Jloicers several 

 in a scaly raceme, the terminal one usually b-merous, the rest S—i-merous ; 

 bract-like sepals mostly as many as the petals; anthers opening by a con- 

 tinuous line into 2 vei'y unequal valves; style longer than the ovary, 

 hollow. 



2. M. Hyp6pitys L. (Pinesap, False Beech Drops.) Somewhat pubes- 

 cent or downy, tawny, whitish, or red, 1-4 dm. high; pod globular or ovoid; 

 stigma ciliate. (Hypopitys Small ; H. lanuginosa Nutt. ; H. americana Small.) 

 — Rich woods. June-Oct. (Mex., Eurasia.) 



6. PTER6SP0RA Nutt. Pine Drops 



Calyx 5-parted. Corolla ovate, urn-shaped, persistent. Stamens 10. Style 

 short ; stigma 5-lobed. Capsule globose, depressed, 5-lobed, 5-celled, loculici- 

 dal, but the valves cohering with the columella. Seeds very numerous, ovoid, 

 tapering to each end, the apex expanded into a broad reticulated wing many 

 times larger than the body of the seed. — A stout and simple purplish-brown 

 clammy-pubescent root-parasitic herb, 3-9 dm. high ; the wand-like stem fur- 

 nished towards the base with scattered lanceolate scales in place of leaves, 

 above bearing many nodding white flowers, in a long bracted raceme. (Name 

 from TTTepov, a vjing, and o-n-opd, seed, alluding to the singular wing borne by 

 the seeds.) 



1. P. andromedea Nutt. — Hard clay soil, parasitic apparently on the roots 

 of pines, P. E. I. to B. C, s. to Pa., Mich., and in the mts. to Mex.; rare. 

 June-Aug. 



7. M0N0TR6pSIS Schwein. Sweet Pinesap 



Calyx of 5 oblong-lanceolate acute scale-like sepals, erect, persistent. Corolla 

 persistent, rather fleshy, slightly 5-gibbous at the base. Stamens 10 ; anthers 

 much shorter than the filaments, fixed near the summit, awnless, with two sac- 

 shaped cells. Capsule ovoid, 5-celled, with a short and thick style, and a large 

 5-angular stigma. Seeds innumerable. — A low and smooth brownish plant, 

 O.o-l dm. high, with the aspect of Monotropa, scaly-bracted, the flowers several 

 in a terminal spike, at first nodding, flesh-color, with the fragrance of violets. 

 (Name from Monotropa and Sy-is, appearance, from resemblance to that genus.) 



SCHWEIXITZIA Ell. 



1. M. odorata Ell. — In woods, Md. to N. C. Apr., May. 



8. LEDUM L. Labrador Tea 



Calyx 6-toothed, very small. Corolla of 6 obovate and spreading petals. 

 Capsule o-celled, splitting from the base upward, many-seeded ; placentae borne 

 on the summit of the columella. — Low shrubs, with the alternate entire leaves 

 clothed with rusty wool underneath, persistent, the margins revolute ; herbage 

 fragrant when bruised. Flowers white, small, in terminal .unibel-like clusters. 

 (Ayjooj/, the ancient Greek name of the Cistus.) 



1. L. groenlandicum Oeder. Erect, 1 m. or less high ; leaves oblong or 

 linear-oblong, 2-5 cm. long, very obtuse ; stamens 5-7 ; capsule slender, snb- 

 cylindric, acutish. (L. latifoliuin Ait.) — Bogs, damp thickets, and mountain- 

 slopes, common northw., s. to Ct., N. J., Pa., Mich., Wise, Minn., etc. May, 

 June, rarely to Aug. (Greenl.) 



2. L. palustre L. Lower, at most 6 dm. high ; leaves narrowly linear, 1-3 

 cm. long; stamens mostly 7-11; capsule ellipsoid-ovoid. — Arctic regions, s. 

 to Nfd. 



