LuDwiGiA. ONAGRACEiE. 625 



the bark, which bocomos very thick and sponjry. Leaves ciliate-scabrrms, 

 and oficii rcinotclv ;ind oljsciircly ir'andular-denficulafe on the margins. Pe- 

 tals, when present, small and grcenisli. Capsules 1-2 lines long. Seeds 

 oval. 



-10. L.^)o^/car/9rt (Short & Peter) : glabrous; stem erect, often producing 

 stolons from tiie base, slightly angled, nuich branched ; leaves narrowly lan- 

 ceolate, acute, attenuate at the base ; flowers axillary, sessile, solitary, or 

 clustered, a])elalous; bracteoles linear-subulate, coherent whh the base of the 

 ovary; lobes of the calvx half the lenmh of the capsule, triangular; capsules 

 turbinate, 4-sided. — SJiorl cV Pctrr ! '2nd supjA. pi. KcTilurkj/. 



In swamps, Michigan, Dr. Pitcher! to Indiana, Dr. Clupp ! Kentucky, 

 Mr. Gr'tsicold! Dr. Short! S^-c. Aug.-Oct. — Stem 1-3 feel high. Leaves 

 very miiuitely serrulate-ciliate, with distinct intramarginal veins. Bracteoles 

 nearly the length of the capsule. Capsules very smooth, about .3 lines long, 

 crowned with tlie depressed deeply 4-lobed stylopodium. Seeds oblong- 

 oval. 



11. L. microcarpa (jNIichx.) : glabrous; stem procumbent at the base, 

 often stoloniferous, ascending, often slightly winged ; leaves spatulate-obo- 

 vate, small, attenuate at the base ; flowers minute, axillary, sessile, bibracteo- 

 late, apetalous ; lobes of tlie calyx larger than tlie very small somewhat 

 obpyramidal caiisules. — Michx. ! fl. 1. p. 88 ; Ell. ! sJc. 1^ p. 212. L. glan- 

 dulosa, Pursh,jl. \. p. 111. Isnardia microcarpa, Poir, not oi DC. I. lan- 

 ceolata, DC. ! I. c. (ex spec.) 



In damp places, S.Carolina I to Florida! July-Sept. — Stem slender, 

 8-12 inches high, seldom branched, probably perennial. Leaves often ob- 

 scurely denticulate. Stigma sessile. Seeds obovate, reddish-brown, shining, 

 very minutely striate. 



12. L. cojntata (Michx.) : glabrous; stem slender, erect, somewhat angled, 

 often stoloniferous at the base ; leaves narrowly lanceolate, obtuse at the base 

 and closely sessile, acute; the upper ones lanceolate-linear; flowers crowded 

 in a terminal iiead or spike, sessile ; bracteoles lanceolate, as long as the 

 ovarj' ; petals very stnall, or none ; lobes of the calyx rather shorter than 

 the capsule, l)roadly triangular-ovate ; capsules quadrangular and somewhat 

 turbinate.— il//c/;.r .7 Jl. l^p. 90 ; Ell. ! sk. l.p. 214. L'T suffruticosa, Walt. 

 Car. p. 90. Isnardia capitata, DC. ! prodr. 2. p. 60. 



0. pubens: pubescent; spikes loose ; the bracts longer than the turbinate 

 capsules. 



In wet places, S. Carolina! to Florida! 0. Georgia? Herh. Balduin! 

 Aug.-Oct. — Stem simple or virgately branched. Cauline leaves with dis- 

 tinct intramarginal veins ; the upper ones narrow and tnostly elongated, very 

 acute : those of the stolons obovate, tapering into a short petiole. Seeds 

 obovate. This species very rarely bears petals. 



§ 2. Leaves opposite, mostly petioled . flowers sessile : petals very small or 

 mostly none : capsule short, tlie apex truncate. — Isnardia, Linn. 



13. L. jjalustris (E\\.): glabrous and slightly succulent ; stems procum- 

 bent and rooting or floating at the base ; leaves opposite, ovate-spatulate, 

 tapering into a slender petiole ; flowers axillary, sessile, apetalous. or some- 

 times with small reddish petals ; lobes of the calvx ver}'^ short ; capsules ob- 

 long, 4-sided, short, not attenuate at the base. — Ell. sk. 1. p. 214. — L. ape- 

 tala, Walt. Car. p. 89. L. nitida, Michx:.! fl. 1. p. 87. Isnardia palustris, 

 Linn. ; Hook, in Engl. hot. suppl. I. 2593, &ffl. Bor.-Am. \. p. 215 ; Torr. ! 



