46 ERICACEAE. Afo7iescs. 



26. MONESES, Salisb. (Formed of fxovog, single, and tjoii;, delight, from 

 the solitary handsome flower.) — Cells of the anther oblong, abruptly constricted 

 under the orifice into a conspicuous short-tubular neck, in the bud completely 

 bilocellate, so that the anther appears equally 4-lobed. Capsule not depressed, 

 opening from above downward. — A single species. 



M. uniflora, Gray. Herb with l-flowered scape 2 to 4 inclies high, a cluster of roundish 

 and serruhitc thin leaves at base, on a sliort stem or the ascending summit of a filiform 

 rootstock : corolla white or tinged rose-color, about two tliirds inch in diameter (in early 

 summer). — Gray, Man. ed. 1, 273 ; Alefeld in Liun. xxviii. 72. M. grandiflora, Salisb., Don, 

 1. c. Pyrola uniflora, L. ; Fl. Dan. t. 8 ; Engl. Eot. 1. 146 ; Reichenb. Ic. Germ. xvii. t. 1156. 

 M. reticulata, Nutt. in Trans. Am. Phil. Soe. n. ser. viii. 271. — Deep moist woods, Labrador 

 to Oregon, south to Pennsylvania, &c., and along the mountains to Colorado, Utah, &c., 

 north to the arctic regions. (Eu. to N. E. Asia.) 



27. PYROLA, Tourn. WmxERGuiiEN, Shin-leaf. (Name said to be a 

 diminutive of Pyrus, Pear-tree.) — Acaulescent herbaceous evergreens ; with a 

 cluster of round or roundish leaves, and some scarious scales on the ascending 

 summit of slender subterranean rootstocks (one species leafless) : scape more or 

 less scaly-bracted, bearing a raceme of white, greenish, or purplish nodding 

 flowers, in summer. (Almost all N. American). — Pyrola {Actinocyclus, Klotzsch), 

 Amelia, & Thelaia, Alefeld in Linn, xxviii. 8. 



§ 1. Amelia, Benth. & Hook. Style straight and short: stigma peltate, large, 

 obscurely 5-lobed : stamens equally connivent around the pistil : anthers not nar- 

 rowed below the openings : hypogynous disk none : petals orbicular, naked at 

 the base, globose-connivent. — Amelia, Alefeld, 1. c. {P. media, of the Old World, 

 connects with § Thelaia.) 



P. minor, L. Leaves orbicular, thinnish, obscurely serrulate or crenulate, an inch or less 

 long: scape a span higli, 7-15-flowercd : pedicels short, rather crowded : style much sliorter 

 than tlie ovary, included in the globose wluto or flesli-colored corolla. — Fl. Dan. t. 55 ; 

 Radius, Diss. Pyrol. 15, 1. 1 ; Reichenb. Ic. Germ. xvii. 1. 1155. P. rosea, Smith, Engl. Bol. 

 t. 254-3 ; Radius, 1. c. t. 2. Amelia minor, Alefeld, 1. c. — Cold woods, Labrador, Wliite Moun- 

 tains of New Hampshire, Lake Superior, Rocky Mountains from New Mexico, Oregon, 

 and northward to the arctic regions. (Greenland to Kamtschatka.) 



§ 2. EuPYROLA. Style straight and long : stigma peltate-5-lobed, large ; the 

 lobes at length radiately much projecting beyond the ring or border : stamens and 

 oblong petals equally connivent around the pistil : a pair of tubercles on the base 

 of each petal: anthers as in the preceding : hypogynous disk 10-lobed. — Pyrola, 

 Alefeld. Actinocyclus, Klotzsch. 



P. secunda, L. Inclined to be caulescent from a branching base : leaves thin, ovate, 

 serrulate or crenate, an inch or two long : scape a span long : flowers numerous in a secund 

 spike-like raceme : pedicels at first merely spreading, in fruit recurved : petals greenish- 

 white, campanulate-connivent. — Fl. Dan. t. 402 ; Engl. Bot. t. 517. — Rich woods. North- 

 ern Atlantic States to Labrador, and tlie mountains of Colorado and California, thence far 

 northward. (Mex., N. Eu. to Japan.) 



Var. pumila, a smaller form, with rounded leaves half inch or little more in diameter, 

 and ;5-8-flowered scape. — J. A. Paine, Cat. PI. Oneida Co., N. Y. ; Gray, Man. ed. 5, 302. — 

 Peat bogs of elevated regions in Central New York; also Labrador, Alaska, &c. (Green- 

 land.) 



§ 3. ThelXia, Benth. & Hook. Style strongly declined or decurved and 

 toward the apex more or less curved upward, longer (or becoming longer) than 

 the concave somewhat campanulate-connivent or partly spreading petals : stigma 



