^gQ ERICA CE^. Moneses. 



1 M. uniflora, Gmy. A small and low perennial, with a cluster of round or 

 obovate "shuit-pctiolod (•.renul.ao loavos, and a scape li to 4 inches high, tcnuuiatcd 

 Ly a handsuiue white or lK:sh-culored llowcr two thirds of an inch in diameter. — 

 I'l/roia uiiijlont, Linn, Moneses (jmndijUmi, Salisb. 



In coKl bogH roiui.l tlw ik.iIIi.tii lioiiiisplioro ; iIouMIohs witliiii tho limits of tlio Stuto ul liigli 

 olovutioiis, us it otxuib iioiili ami cjibl of ihciii. 



14. PYROLA, Touni. WiNTHUoiiKiiN. 



Corolla of 5 concave and more or less converging petals. Stamens 10 : hlaments 

 ascending or straight, subulate, naked : anthers as in the preceding genera, either 

 witli or without a tubular prolongation of the extremity of the cells, which open by 

 a round hole. Style generally long : stigma 5dobed or 5-rayod. Capsule depressed- 

 globose, 5dobed, 5-celleil, loculiciilally 5-valvetl from the base upward : edges of the 

 valves commonly cobwebby when opening. — Low and smooth perennial herbs; 

 with running subterranean shoots, broad and petioled leaves close to the ground, 

 and a more or less scaly bracted scape bearing a simple raceme of white, greenish, or 

 rose-colored nodding lluwers. 



The "eiius, ami sevuml of tho 12 to 14 species, cxteiul round the world in tho cooler parts of 

 tho noilhcni teiniicrato zone. Sonio divide it into three genera, but on characters of small 

 account. 



§ L Corolla and stamens regular: petals ivith two tubercles at base inside: style 

 straight : stigma large, depressed, at length obtusely 5-lobed. 



1. P. secunda, Linn. Leaves clustered or somewhat scattered on ascending 

 shoots, thin, ovate, serrulate, on naked petioles : scape 3 to 5 inches high, bearing 

 several or numerous Uowers in a close one-sided raceme : petals oval-oblong, green- 

 ish-white, not at all spreading, shorter than tho slender style : anthers blunt. 



Wotids in the higlier Sii-im Nevada, at Donner Pass, &c. ; thenco northward anil cast ward 

 round tho workl. 



§ 2. Corolla somewhat irregularly spreading: staviens more or less declined and 

 curved toivards the upper side of the Jiower : style long, turned downivard and 

 more or less curved : stigma narrower than the apex of the style, surrounded 

 by a ring or collar, from which the 5 lubes {more or less concreted into one, 

 and at first almost included) at length conspicuously project. 



2. P. rotundifolia, Linn. Leaves coriaceous, shining above, orbicular, varying 

 to ovate, round-obovate, or round-re ni form, on .slender naked petioles : scape with 

 the loosely many-llowered raceme 6 to H inches high, scaly-bracted : bracts lanceo- 

 late or ovatedanceolate : lobes of the calyx mostly lanceolate or triangular-lanceolate 

 and about half the length of the broadly obovate (white, greenish-white, or rose-pur- 

 ple) petals : cells of the anther slightly contract(^d into an obscure neck uniler the 

 orilice. — The Caliibrnian specimens as yet seen all belong to the 



Var. bracteata, Cray. A large form : leaves 2 or 3 inches long, often serrulate: 

 scape a foot or more high, usually con.s[»icuously but remotely scaly-l»racled : anthers 

 prominently niucroiiate at base. — J\ bracteata, Hook. /'. elata, }i\\ll. Thdaia 

 bracteata, Alefeld in Linuiea, xxviii. 57. 



In coniferous woods, Mendocino to Sierra Co., and nortli to British Columbia. The var. 

 uliijinosa. Gray, common on tlie northern borders of tlie Atlantic States, occurs on tlic niountaiiis 

 in Nevada, anil a form near it at Caison City. It has smaller pink ilowers with red-purple 

 anthers, and shorter triangular- ovate calyx-lobes. 



3. P. picta. Smith. Leaves thick, coriaceous, pale (at least beneath, sometimes 

 purplish), and above commonly variegated or blotched with white, ovate varying to 

 obovate and oblong-spatidate or lanceolate-oblong, on short or else margined petioles : 



