Ormir 52.— ONAGKACE^. 365 



often minuto or none ; stamens 4, opposite the sepals ; style sliort ; 

 capsule short, often perforated at top, 4-celled, 4-valved, many-seeded, 

 and crowned with the persistent calyx lobes. — U Herbs in wet grounds. 

 Lvs. entire. 



S Leaves alternate, scesilo. (a) 



a Petftls large, yellow. Fruit pedicellate, sliort Nos. 1 — 5 



a Petals small, yellowish. Frnit sessile, elongated, smooth Nos. 4, ;'> 



a Pet. or minute. — Fruit elongated, hairy or smooth Nos. 6, 7 



— Fruit short, smooth. — Stem winged '. No. S 



— Stem teretish. — Fls. axillary. Nos. 9 — 11 



—Fb. capitate No. li 



§ Leaves opposite, petiolatc. — Fls. sessile, mostly apetalous Nos. 10— l.^i 



— Fls. pedicellate, with showy petals No. 16 



1 L. alternifdlia L. Seed-Box. Erect, branched, glabrous; lvs. lanceolcUe, 

 acute, sessile, pale teneatli ; ped. axillary, solitary, 1-flowered, 2-bracted above 

 the middle; petals scarcely as large as the spreading, acuminate sepals; caps, 

 large, with 4, vringed angles, crowned with the colored calyx. — Shady swamps. 

 St. 1 to 3f high, round, with a strong bark, and several branches. Lvs. with 

 marginal veins, 2 to 3' long, J to 1' wide. Caps, convex at apex, the anglea 

 conspicuously winged. Sep. largo, publish. Petals large, yellow, showy. 



, JI., Aug. 



2 L. hirtella Raf. Hairy, erect, sparingly branched ; his. ovate-oblong, sessile, 

 obtuse ; fls. axillary, solitary, pedicellate, with 2 bractlets below it ; sep. nearly 

 as long as the pet. ; caps, subglobous, 4-angled and winged. — Moist soils, N. J. 

 to Ha. St. 1 to 3f high. Lvs. numerous, hairy on both sides, J to If by 2 to 

 8''. Fls. yellow, about %' diam. Cal. spreading, and, with caps, villous. Jr. — 

 Sept. (L. hirsuta Ph.) 



3 Ii. virgita Ph. Nearly glabrous, erect, virgate; lvs. oblong, closely sessile, 

 obtuse, the upper linear; fls. large, on a slender pedicel ; petals longer than the 

 leafy calyx lobes ; caps, roundish-cubical, with winged angles, and finally as long 

 as the reflexed cal. lobes. — ^In dry soils, S. States. Sts. 2 to 3f high. Lvs. 1 to 

 2' long. Fls. spreading 1', on pedicels 6'' long. May — Sept. 



4 Ii. linearis Walt. Glabrous, slender, with angular, erect branches ; lvs. lance- 

 linear, acuto at each end; fls. axillary, solitaiy, sessile; pet. obovate-oblong, , 

 slightly longer than the triangular-ovate sep. which are much shorter than the 

 elongated, obovoid-clavate, i-sided capsules. — Swamps, N. J. and S. States. Plant 

 1 to 2f high, with the habit of Lythrum alatum, often sending out runners at the 

 base, with obovate leaves. Fls. sometimes apetalous. Jl. — Sept. (Isnardia DC.) 



5 L. linifdlia Poir. Glabrous, mostly sunple, creepmg at base, then erect; 

 lvs. spreading, linear, rather acute, tapering to a slender base ; fls. closely sessile ; 

 coL-lobes ovate, acuminate, about the length of the petioles and of the oblong, 4- 

 sided capsules. — Muddy places, N. Car. to Fla. Plant If high, with much the 

 habit of Proserpinaca palustris. Lvs. 1' long. 



6 L. cylmdrica Ell. Glabrous, erect, much branched; lvs. lanceolate, acuto; 

 fls. minute, 1 to 3 together, apetalous ; cal. lobes much shorter than the rather 

 slender, cylindrical, abrupt capsule. — S. Car. to Fla. and Tex St. 3 f high. Lvs. 

 veiny and somewhat denticrdate. Capsules 2 to 4" in length, 1" wide. JL — 

 Sept (Isnardia DC.) 



7 L. pilosa "Walt. Villous-pubesce^ii, erect, much branched ; lvs. lanceolate, acute ; 

 fls. axillary and spilled above ; caL lobes ovate-acuminate, about as long as the 

 oblong, 4-sided, villous capsule. — Swamp, S. Car. to Fla. and La. Plant 2 to 3f 

 high. Lvs. 2 to 3' long, those of the branches much diminished, of the stolons 

 spatulate. Caps, about 4" by 2 or 3". JL — Sept. (Isnardia DC.) 



8 Ii. alata Ell. Glabrous, few-branched, erect; st. winged by the decurreni bases 

 of the lanceolate lvs. ; fls. solitary, apetalous ; caL lobes broadly ovate, nearly as 

 long as the small, 4-sided, obconic capsule. — Swamps, S. States. Plant about 21 

 high. Lv3. 1 to 3' long, the lower broad-oval. Jl. — Sept. (Isnardia DC.) 



9 Ii. sphserocirpa EU. Erect, smooth, or nearly so; lis. lanceolate, acute, at- 

 tenuate at base ; fls. axillary, subsolitary, on very short pedicels ; pet. minute or 

 laanting, as weli as the IraciUts ; sep. as long as the small subglobous caps.- — In 



