EKICACE^. (heath l-AMILY.) 323 



the apex doAviiward, the edges of the valves uot woolly. — how, nearly herba- 

 ceous plauts, with long running underground shoots, and evergreen thick and 

 shining leaves, somewhat whorled or scattered along the short ascending stems ; 

 tlie fragrant (white or purjilish) flowers corymbed or umbelled on a terminal 

 peduncle. (Name from x^*;"") u-inler, and (pi\e(^, to love, in allusion to one of 

 the popular names, viz., Wintergreen.) 



1. C umbellata, Xutt. (Prince's Pixe. Pipsissewa.) Leafy, 4 - 

 10' liigli ; ledns ire(/</e-l(nircolate, sharply serrate, not s])otfrd : peduncles 4-7 

 flowered; petals flesh-color; anthers violet. — Dry woods, Xova Scotia to Ga., 

 west to the Pacific. June. (Eu.) 



2. C. maculata, Pursh. (Spotted Wintergreen.) Leaves ovate-Ian- 

 ceoJate, obtuse at the liase, remotely toothed, the upper surface variegated icith 

 white; peduncles 1 - 5-flowered. — Dry woods, N. Eng. to Ga., west to ^linn. 

 and Miss. June, July. — Plant 3-6' high. 



22. MONESES, Salisb. One-flowered Pvrola. 



Petals 5, widely spreading, orbicular. Filaments awl-shaped, naked ; an- 

 thers as in Pyrcjla, but conspicuously 2-liorned. Style straight, exserted ; 

 stigma large, peltate, with 5 narrow and conspicuous radiating lobes Valves 

 of the capsule naked. (Flowers occasionally tetramerous.) Scape l-flowere<l. 

 Otherwise as Pyrola ; intermediate between it and Chimaphila. (Name formed 

 of fiovos, single, and ^ais, delight, from the pretty solitary flower.) 



1. M. grandiflora, Salisb. A small perennial, with the rounded and 

 veiny serrate tliin leaves (6 - 9" long) clustered at tlie ascending apex of creep- 

 ing subterranean shoots ; the 1 - 2-bracted scape (2 - 4' high) bearing a white 

 or rose-colored terminal flower 6" wide. (M. unitlora, Grag.) — Deep cold 

 woods, Labrador to Penn., Ind., Minn., and westward. June. (Eu.) 



23. PYROLA, Touru. Wintergreen. Shin-leaf 



Calyx 5-parted, persistent. Petals 5, concave and more or less converging, 

 deciduous. Stamens 10; filaments awl-shaped, naked: anthers extrorse in 

 the bud, but in the flower inverted by the inflexion of the apex of the fila- 

 ment, more or less 4-celled, opening by a pair of pores at the l)lunt or some- 

 what 2-horned base (by inversion the apparent apex) Style generally long; 

 stigma 5-lol)ed or 5-rayed. Capsule depressed-globose, .5-lobed, .5-celled, f) 

 valved from the base upward (loculicidal) ; the valves cobwebby on tlie 

 edges. Seeds minute, innumerable, resembling sawdust, with a very loose 

 cellular-reticulated coat. — Low and smooth perennial herbs, with running 

 subterranean shoots, bearing a cluster of rounded petioled evergreen root 

 leaves, and a simple raceme of nodding flowers, on an upright more or less 

 scaJy-bracted scape. (Name a diminutive of Pijrus, the Pear-tree, from some 

 fancied resemblance in the foliage.) 



* Stgle straight, much narrower than the peltate 5-ra>/ed stigma, petals and 

 stamens erect and connivent ; anthers not narrowed below the oppmngs 



1. P. minor, L. Scape 5-10' high-, leaves roundish, slightly crenulate, 

 thickish, mostly longer than the margined petiole flowers .small, crowded, 

 white or rose-color; calyx-lobes triangular-ovate, ver\- much shoiter ihau tlie 



