MONOtROPJlCEAE. 245 



Family 2. PYROLACEAE Agardb. Wintergreen Family. 



Flowers racemose; leaves basal. ■ 1. PyroVa. 



Flowers solitary or corymbose; leaves opposite or whorled. 2. ChimaphUa. 



1. PYEOLA L. Wintergreen. 



Style and stamens declined. 



Calyx-lobes oblong or lanceolate; leaves shining. 1. P. rotundifolia. 

 Calyx-lobes ovate or triangular, short; leaves dull. 

 ■" Blades orbicular, coriaceous, mostly shorter than petioles. 



2. P. chlorantha. 

 Blades oval, membranous, longer than their petioles. 



. . . 3. P. elliptica. 

 Style straight ; stamens connivent. 4. P. secunda. 



1. Pyrola rotundifolia L. M. p. 693. Dry woods. Early summer. 



2. Pyrola chlorantha Sw. M. p. 693. , Dry woods.. Early summer. 



Bucks— (P.). Delaware— Darby (Fu.). Lancaster— (P.). Berks— 

 Hamburg. 



Burlington— Banks of Rancocas, Creek, Mart. (B. C), Medfqrd (Br.), 

 Pembertom (C), Moorestown (Sts.). Camden — Camden (C), Cedar 

 Brook (Wn.); Gloucester — Timber Greek (Te.). Atlantic— Hammonton 

 (C). Monmouth— Fairhaven (C). 



3. Pyrola elliptiga Nutt. Shinleaf. M. p. 693. Rich woods. Summer, 



4. Pyrola secunda L. M. p. 694. Rich woods. Early summer. 



Delaware— West of Darby, A. H. and'C. E. Smith (Fu.). Montgomery 

 — Green Lane (VP.): Chester— (P.). ■ Lancaster— (P.). Berks— Ham- 

 burg. 

 *''" Burlington— Medford (Br.). Camden— Blackwood (Re.). Monmouth 

 -Freehold (C). 



2. CHIMAPHILA Pursh. 



Leaves lanceolate, mottled with white. 1. G. maculata. 



Leaves spatulate or cuneate-oblanceolate, bright green. 2. C. umbellata. 



1. Chimaphila maculata (L.) Pursh. Spotted Wintergreen. M. p. 695. 



Dry woods. Summer. 



2. Chimaphila umbellata (L.) Nutt. Pipsissewa, Prince's Pine. M. p. 



695. Dry woods. Summer. 



Family 3. MONOTROPACEAE Lindl. Indian-pipe Family. 



Flowers solitary. 1. Monotropa. 



Flowers racemose. 2. Hypopitys. 



1. MONOTROPA L. 

 1. Monotropa uniplora (L.) Small. Indian-pipe. M. p. 696. Dark and 

 rich woods. Summer. 



2. HYPOPITYS Hill. 

 1. Hypopitys Hypopitys (L.) Small. Pine-sap, False Beech-drops. M. p. 



696. Oak and pine woods. Summer and fall. 



