STO FLORA OF TEXAS. 



date, often wanting ; stamens 4 ; style short ; stigma capi- 

 tate; capsule yariously dehiscent, ^-celled, many-seeded. — 

 Perennial and mostly stoloniferous marsh herbs, with entire 

 leaves and yellow /oztT/".5. 



** Valves of the capsule separating from the concave disk, and irregularly from the 

 persistent partitions and placenta ; calyx-lobes p&)sistent ; petals small or none ; 

 stamens and style short; stems erect or ascending ; leaves alternate; flowers 

 sessile. 

 + Petals conspicuous. 



L. LINEARIS, Walt. Smooth; sie7n (l°-3° high) yir- 

 gately much branched ; leaves linear, acute ; flowers small ; 

 capsule clavate-oblong, with -4 rounded angles, 2-3 times as 

 long as the triangular-ovate calyx-\6bes>. Bark at the base 

 of the stem spongy. 



L. LixiFOLiA, Poir. Smooth; stem low (6-12'), creep- 

 ing at the base, branching; leaves linear or linear-spatula te, 

 often obtuse ; capsule linear-cylindrical, rather longer than 

 the lanceolate calyx-loh^s. Swamps in the low country. 



+ Petals minute or wanting. 



L. CYLiXDRiCA, Ell. Smooth ; stem angled above, often 

 much branched; leaves long, lanceolate, obscurely denticu- 

 late, acute,, tapering into a petiole; p^^^tals none; capsu'!es 

 axillary, often clustered, cylindrical or obscurely 4-sided, 

 many times longer than the small calyx-lobes. Swamps. 

 Stem mostly bushy, 2^-3° high ; leaves 3'-4' long. 



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 spreading calyxAohes. 

 (L. mollis. Ell.) Ditclies and ponds. Stem 2°-3° high, 

 the branches spreading; capsule whitish. 



L. ALATA, Ell. Smooth ; stem slender, simple or spar- 

 ingly branched near the summit, strongly angled; leaves 

 cuneate-lanceolate, obscurely endiculate ; flowers few, near 



