Okdkb 52.— ONAGEACE^. 355 



often niinnte or none ; stamens 4, opposite the sepals ; style short ; 

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

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

 Lvs. entire. 



§ Leaves alternate, sessile, (a) 



a Petals large, yellow. Fruit pedicellate, short Nos. 1 — 3 



a Petals small, yellowish. Fruit sei^sile, elongated, smooth Nos. 4, 5 



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



— Fruit short, smooth. — Stem winged ., No. 8 



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



— Fls. capitate No. 12 



5 Leaves opposite, petiolate. — Fls. sessile, mostly apetalous Nos. 18 — 15 



—Fls. pedicellate, with showy petals No. 16 



1 Ii. alternifolia L. Seed-Box. Erect, branched, glabrous'; lvs. lanceolate, 

 amte, sessile, pale beneath; ped. axillary, solitary, 1-flowered, 2-bracted above 

 the middle; petals s:arcely rr: large a? t?ie spreading, acuminate sepals; caps, 

 large, with 4, winged 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, ^ to 1' wide. Gaps, convex at apex, the angles 

 conspicuously winged. Sep. large, purplish. ' Petals large, yellow, showy. 

 Jl., Aug. 



2 L. hirtella Raf. Hawy, erect, sparingly branched ; lvs. ovate-oblong, sessile, 

 ohtvsse ; 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 Pla. St. 1 to 3f high. Lvs. numerous, hairy on both sides, J to IJ' by 2 to 

 8''. Hs. yellow, about f diam. Gal. spreading, and, with caps, villous. Jn. — 

 Sept. (L. hirsuta Ph.) 



3 Ii. virg^ta Ph. Nearly gldbroiis, erect, virgate; his. ohlong, 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. Lva. 1 to 

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



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

 linear, acute at each end; fls. axillary, solitary, sessile; pet. obovate-oblong, 

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

 elongated, obovoid-olavate, 4-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. Pis. sometimes apetalous. Jl. — Sept. (fenardia DC.) 



5 Ii. linifolia Poir. Glabrous, mostly simple, creeping at base, then erect; 

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

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

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

 habit of Proserpinaca palustris. Lvs. 1' long. 



6 L. oylindrica Ell. Olabrous, erect, much branched; lvs. lanceolate, acute; 

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

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

 veiny and somewhat denticulate. Capsules 2 to 4" in length, 1" wide. Jl. — 

 Sept. (Isnardia DC.) 



7 L. pilosa Walt. Villous-pubescent, erect, much branched; lvs. lanceolate, acute; 

 fls. axillary and spiked above ; cal. lobes ovate-acuminate, about as long as the 

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

 high. Lva 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 L. alata Ell. Glabrous, few-branched, erect ; st. winged- by the decurrent 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 2f 

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



9 L. sphEeroodrpa Ell. Erect, smooth, or nearly so; lvs. lanceolate, acute, at- 

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

 wanting, as well as the bractlets ; sep. as long as the small subglobous caps. — In 



