178 GAMOPETALOUS EXOGENS 



254. TRIElVTAi;iS, L. 



[Latin, Triens, the third of a foot; referring to the height of the plant.] 

 Calyx mostly 7-parted; segments lance-linear. Corolla mostly 7- 

 parted. Filaments united in a ring at base ; anthers oblong, revo- 

 lute after flowering. Capsule few-seeded. Low, smooth perennials : 

 stem simple, very slender ; leaves collected at summit ; peduncles ax- 

 illary, few and filiform. 



1. T. Amcricsiiici, Pursh. Leaves lanceolate, tapering at each 

 end, subverticillately aggregated; corolla-lobes acuminate. 

 AMERICAN TRIENTALIS. Chickweed Wintergreen. 



Stem 4 to 8 inches high. Leaves 2 to 3 inches long, mostly acuminate (sometimes 

 obtuse and emarginate at apex), subsessile, aggregated in a terminal whorl, with 

 2' or 3 small straggling ones on the stem. Peduncles an inch to an inch and half 

 in. length; powers white. 

 Nab. Shaded rivulets, on slaty hills : rare. Fl. May. Fr. July. 



255. L,YSOIA V CIIIA, L. 



[Gr. Lysis Mache, literally loose strife; application obscure.] 

 Calyx 5-parted. Corolla 5-parted. Filaments often united in a 

 ring at base. Capsule globose, mucronate, 5- to 10-valved, few- or 

 many-seeded. Perennials : leaves entire ; flowers racemose, or axil- 

 lary, mostly yellow, often streaked with purple. 



g 1. Leaves opposite, or verticillate, subsessile, dotted ; filaments forming a ring at 

 base, without interposed sterile ones. 



1. Li. stricta, Ait, Smooth; leaves opposite, lanceolate, acute 

 at each end ; flowers in a loose terminal raceme. 

 UPRIGHT LYSIMACHIA. 



Stem 1 to 2 feet high, somewhat 4-angled, with a few axillary branches. Leaves 

 about 3 inches long, marked with oblong blackish dots, often bearing bulbs in the 

 axils. .Raceme 4 to 6 or 8 inches long ; pedicels nearly an inch in length, with 

 each a lance-linear bract at base. 

 Hob. Low, swampy grounds: not common. Fl. June. Fr. Sept. 



"2. Li. quadrif olia, L. Somewhat hairy ; leaves verticillate, 

 ovate-lanceolate; peduncles long, axillary and solitary. 

 FOUR-LEAVED LYSIMACHIA. Loose-strife. 



Stem 1 to 2 feet high, simple. Leaves 2 to 3 inches long, marked with oblong 

 dark purple dots, in verticils of 3 to 6, but usually in fours or fives. Peduncles 

 long and slender, but shorter than the leaves. 

 Hob. Low grounds; fence-rows, thickets, &c.: common. Fl. June. Fr. Aug. 



$ 2. Leaves mostly opposite, on ciliate petioles, not dotted; filaments with, interposed 

 sterile rudiments. 



3. It. ciliiYtil, L. Leaves lance-ovate, acuminate, subcordate at 

 base ; peduncles axillary, mostly in pairs. 

 CILIATE LYSIMACHIA. 



Stem 2 to 3 feet high, square, grooved, with a few axillary branches. Leaves 3 

 to 6 inches long; ftctioles an inch to an inch and half in length, conspicuously cili- 

 ate. Flowers somewhat nodding ; filaments short, with intermediate teeth en the 

 ring ; anthers linear, finally recurved. 

 Ifdb . Borders of woods ; along rivulets, &c.: frequent. Fl. June. Fr. Aug. 



