260 ERicACE^. (heath pamilt.) 



2. P. elliptica, Kutt. (Shin-Leaf.) Leaves thin and dull, elliptical or 

 obovate-oval, ustmUy longer than the margined petiole ; raceme many-flowered ; calyx- 

 lobes ovate, acute, not one fourth the length of the obovate rather spreading (green- 

 ish-white) petals; anther-cells scarcely pointed at the apex. — Rich woods, 

 New England to Pennsylvania, Wisconsin, and northward ; common. June. 

 — Scape and flowers nearly as large as in No. 1. 



3. P. clllor&ntlia, Swartz. (Small Ptrola.) Lecmes smaU (V \on^), 

 roundish, thick, dull, shorter than the petiole ; scape few-flowered, naked ( 5' - 8' high), 

 calyx-lobes roundish-ovate, very short ; the elliptical petals converging (greenish- 

 white); anther-cells pointed; style strpngly deflexed, scarcely exssrted. (P. 

 asarifolia, Bigd., ^c.) — Open woods. New England to Pennsylyaiua, and north- 

 ward. June. (Eu.) 



* * Stamens and style straight ; stigmas thich, united with the expanded ring : i. e. 

 stigma peltate, 5-rayed. 



4. P. secunda, L. (One-sided Pyrola.) Leaves ovate, thin, longer 

 than the petiole, scattered, finely serrate ; racemes dense and spike-like, with the 

 numerous small (greenish-white) flowers all turned to one side; calyx-lobes orate, 

 very much shorter than the oblong and erect petals ; style long and exserted. — 

 Kich woods ; common eastward and northward. July, Aug. — Scape 3' - 6' 

 high. (Eu.) 



5. P. minor, L. (Lessee Ptkola.) Leaves roundish, slightly crenu- 

 late, thickish, mostly longer than the margined petiole ; raceme spiked ; calyx- 

 lobes triangular-ovate, very much shorter than the nearly glAose corolla ; style 

 short and included. — Woods, at the base of the White Mountains, New Hamp- 

 shire. July, Aug. — Scape 5' -10' high. Flowers small, crowded, white or 

 rose-color. (Eu.) 



23. MONESES, Salisb. One-ploweked Pteola. 



Petals 5, widely spreading, orbicular. Stamens 10 : filaments awl-shaped, 

 naked : anthers as in Pyrola, but conspicuously 2-homed at the apex, 2-celled. 

 Style straight, exserted : the 5 stigmas long and radiating. Valves of the pod 

 naked. Otherwise as in Pyrola. — A small perennial, with the rounded and 

 veiny serrate thin leaves clustered at the ascending apex of creeping .subterra- 

 nean shoots ; the 1 - 2-bracted scape bearing a single terminal flower. Parts of 

 the flower sometimes in fours. (Name p.6vos, single, and ^ais, desire, probably 

 in allusion to the handsome solitary flower.) 



1. M. uniflora. (Pyrola uniflora, L.) — Deep cold woods, Pennsyl- 

 vania to Maine, Lake Superior, and northward. June. — Plant 2' -4' high, 

 smooth ; the corolla J' broad, white or slightly rose-color. (Eu.) 



24. C HIM A PHIL, A, Pursh. Pipsissewa. 



Petals 5, concave, orbicular, widely spreading. Stamens 10 : filaments en- 

 larged and hairy in the middle : anthers as in Pyrola, but nearly 2-celled, somo^ 

 what 2-homed at the apex. Style very short, inversely conical, nearly immersed 

 in the depressed summit of the globular ovary : stigma broad and orbicular. 



