836 UYDnoLEACEiE. (htdrolea family.) 



acuminate; pedicels sJiort or clonj^iitcd ; sepals linear-oblonp, nriitc, two tliirds 

 tlic length of tlie ])alc liliic or white corolla ^ Ktameus cxscned — I'ruuies of 

 Alabama, BudMy. April. 



Ordeh 97. IIYDROLEACEiE. (IIydrolea Family.) 



Clandular-pubosccnt or bristly herbs, with entire alternate leaves. 

 FlowiTS regular, axillary and solitary or clustered, or in terminal corymbs 

 or coiled bracted spikes. — Calyx 5-partcd. Corolla somewhat bell- 

 shaped, 5-lobed, imbricated in the bud. Stamens 5, inserted on the tube 

 of the corolla, and alternate with its lobes, the filaments oftener hairy. 

 Styles 2, separate : stigmas capitate. Ovules numerous, anatropous. 

 Capsule many-seeded, more or less 2-eelled by the meeting of the 2 pari- 

 etal placental, 2- or rarely 4-valved, opening through the middle of the 

 cells, or at their margins. Embryo straight, in fleshy albumen. 



1. HYDROLEA, L. 



Calyx .5-partcd. Corolla short, bell-sliaped, 5-clcft ; the lobes spreading. 

 Stamens sonicwliat cxsertcd, with the filaments dilated at the base : anthers 

 sagittate. Styles 2 (rarely 3), separate. Capsule globose, 2-cclled, or imper- 

 fectly 4-celled by the introversion of the placenta;, 2-valved. — Herbs, grow- 

 ing in water or muddy places, with entire leaves, often witli i^piiies in tlieir axils, 

 and i)lue axillary or corymbose (lowers. 



1 II. COl'ymbosa, Ell. Spineless ; stem erect, hirsute, and branching 

 above; leaves ovate-lanccoIatc, sessile ; the veins and margins sliglitly ]iubes- 

 ccnt ; flowers in a close terminal corymb ; calyx-lobes lanceolate, acute, hispid, 

 J as long as the corolla. — Pine-barren ponds, in St. Stei)hen's, South Carolina, 

 Elliott. July and Aug. — Stem 2° high, creeping at the base. Leaves I'-l^' 

 long. Corolla " a/.urc, with yellowish veins and .5 white spots near tiic base." 

 Capsule 2-valved. 



2. n. quadrivalvis, "Walt. Spiny ; stem ascending from a creeping 

 base, hispid, mostly simple; leaves lanceolate, acute, jnibescent on the veins, 

 tapering into a petiole ; flowers axillary, the lower ones clustered, the ui)])er sol- 

 itary, sIiort-iH'duncled ; calyx-lobes linear, nearly as long as the corolla ; sta- 

 mens inclnd.d ; cajjsule almost 4-cellcd, by the introversion of the ])laccnta;, 

 2-valved. — Pools and muddy banks of streams, Florida to North Carolina, and 

 westward. July and Aug. — Stem 1° -3° long. Leaves 3' -4' long. 



2. NAMA, L. 



Calyx ."i-parfcd. Corolla tubular-funnel-shaped, ."i-cleft. Stamens included, 

 the fdaments cqu:il : anthers reniform. Ovules numerous, anatropous, pendulous. 

 Styles 2, distinct. Capsule oblong, many-seeded, seemingly 2-(cllcd by tho 

 meeting of the plaecntaj at tiie axis, 2 or at length 4-valvc(l. Seeds jjitted. — 



