OXAGRACE.E. (eYEXING- PRIMROSE FAMILY.) 165 



a petiole ; petals none ; capsules axillary, often clustered, cylindrical or ob- 

 scurely 4-sided, many times longer than the small calyx lobes. — SAvamps, 

 Florida to South Carolina, and westward. July - Sept. — Stem mostly bushy, 

 2° - 3° high. Leaves 3' - 4' long. 



7. L. pilosa, Walt. Tomentose ; stem stout, terete, much branched ; 

 leaves sessile, lanceolate or oblong, acute ; flowers in dense terminal spikes ; 

 petals mostly wanting ; capsule globose - 4-sided, about as long as the spread- 

 ing calyx lobes. — Ditches and ponds near the coast. July - Sept. — Stem 

 2° -3° high, the branches spreading. Capsule whitish. 



8. L. sphaerocarpa, Ell. Smooth or slightly pubescent ; stem slender, 

 angled above, short-branched ; leaves linear-lanceolate, acuminate ; flowers 

 very small, axillary ; petals none ; capsule globose, pubescent, as long as the 

 calyx lobes. — Margins of ponds in the lower districts, not common. July - 

 Sept. — Stem 2° - 3^ high. Capsule 1 " - 2" long. 



9. L. polycarpa, Short & Peters. Glabrous; stem angular, much 

 branched ; leaves narrowly lanceolate, acute, tapering at the base ; flowers 

 approximate or crowded on the branches, apetalons ; capsule top-shaped, 

 twice as long as the ovate calyx lobes. — Ponds and ditches, Tennessee. July 



10. L. capitata, Michx. Smooth ; stem mostly simple, slender, angled 

 above ; leaves long, lanceolate, acute, sessile, the lowest ones broader and 

 obtuse ; flowers in a compact oblong or ovate head, the lower ones sometimes 

 scattered ; petals minute, mostly wanting ; capsule obtusely 4 angled, some- 

 what narrower at the base, longer tliau the calyx lobes. — Wet pine l)arrens 

 Florida to North Carolina. July - August. — Stem 2^ - 3° higti. 



11. L. lanceolata, Ell. Smooth; stem stout, terete, at length much 

 branched ; leaves lanceolate, sessile ; flowers very numerous, in all the axils, 

 green ; petals none ; capsule cubical, with the sides flat and tiie angles mar- 

 gined, twice as long as the calyx lobes ; seeds cylindrical. — Ponds and 

 swamps in the pine barrens, Florida and Georgia. July - Sept. — Stent l°-2° 

 high. Flowers small. 



12. L. alata, Ell. Smooth ; stem slender, simple or sparingly branched 

 near the summit, strongly angled ; leaves cuneate-lanceolate, obscurely den- 

 ticulate ; flowers few, near the summit of the branches, white ; petals none ; 

 capsule cubic-obconical, with concave sides and winged angles, as long as 

 the calyx lobes ; seeds ovoid. — Brackish marshes, along the coast. July - 

 August. — Stem 2° -.3"=^ high. 



13. L. microcarpa, Michx. Smooth; stem low, creeping at the base, 

 3-angled, mostly simple ; leaves spatulate-obovate ; petals none ; capsule mi- 

 nute, cubic-obconical, shorter than the calyx lobes. — Muddy places, Florida 

 to North Carolina, and westward. July - August. — Stem 6' - 12' high. Cap- 

 sule scarcely larger than a pin's head. 



14. L. Curtissii, Chapm. Smooth ; stem rigidly erect, simple, terete ; 

 upper leaves linear-lanceolate, tapering at the base ; flowers single, sessile, 

 apetalons, bibracteolate ; calyx turbinate, terete, the triangular lobes as long 

 as the tube. — Shallow ponds. East Florida ( Curtiss). July - August. — Stem 

 l°-li°high. 



