630 ERICACEAE (^HEATH FAMILY^ 



stigma naked. — Dark and rich woods, nearly througliout the continent. June- 

 Aug. (Mex., Asia.) 



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

 in a scaly raceme, the terminal one usually 5-merous, the rest S-4-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. Eyp6pitys 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 Dbops 



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 TTTepSv, a wing, and airopd, seed, alluding to the singular wing borne by 

 the seeds.) 



1. P. andromedda 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, 

 0,5-1 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 6yts, appearance, from resemblance to that genus.) 



SCHWEINITZIA Ell. 



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



8. LEDUM L. Labrador Tea 



Calyx 5-toothed, very small. Corolla of 5 obovate and spreading petals. 

 Capsule 5-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 umbel-like clusters. 

 (A^Soj/, the ancient Greek name of the Cistus.) 



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

 linear-oblong, 2-5 cm. long, very obtuse ; stamens 6-7 ; capsule slender, sub- 

 cylindric, acutish. {L. latifolium Ait.) — Bogs, damp thickets, and mountain- 

 slopes, common north w., 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. 



