HYDROPHYLLACEAE. 



VOL. III. 



2. Nama quadrivalvis (Walt.) Kuntze. 

 Hairy Nama. Fig. 3500. 



Hydrolea quadrivalvis Walt. Fl. Car. no. 1788. 

 H. caroliniana Michx/Fl. Bor. Am. i : 177. 1803. 

 N. quadrivalvis Kuntze, Rev. Gen. PI. 435. 1891. 



Similar to the preceding species, but pubes- 

 cent, at least above, and on the calyx, with 

 spreading hairs, usually bearing slender spines 

 in the axils ; stem ascending, i-2 high. Leaves 

 lanceolate, acute or acuminate, glabrous, or 

 sparingly pubescent, petioled, 2'-$' long, 3"-8" 

 wide; lower petioles i' long, or more; flowers 

 in axillary clusters ; sepals lanceolate or linear- 

 lanceolate, acuminate, about as long as the 

 corolla ; capsule 2"-3" in diameter, longer than 

 the styles, about the length of the sepals. 



In wet soil, southeastern Virginia to Florida 

 and Louisiana. June-Aug. 



3. Nama ovata (Nutt.) Britton. Ovate- 

 leaved Nama. Fig. 3501. 



Hydrolea ovata Nutt. Trans. Am. Phil. Soc. (II.) 



5: 196. 1833-37. 

 N. ovata Britton, Mem. Torr. Club 5: 272. 1894. 



Stem erect or nearly so, i-3 high, usually 

 branched near the summit, puberulent, or 

 somewhat hirsute, at least above, usually spine- 

 bearing in most of the axils. Leaves ovate, 

 rarely ovate-lanceolate, puberulent or glabrous, 

 short-petioled, or the upper almost sessile, 

 i'-2i' long, i'-ii' wide, acute at the apex, nar- 

 rowed or rounded at the base; flowers often 

 i' broad or more, in terminal clusters; 

 sepals lanceolate, acuminate, very villous, 

 shorter than the corolla, longer than the cap- 

 sule; styles longer than the sepals. 



In wet soil, Georgia to Missouri, Louisiana and 

 Texas. May-Sept. 



Family 24. BORAGINACEAE Lindl. Nat. Syst. Ed. 2, 274. 1836. 



BORAGE FAMILY. 



Annual, biennial or perennial herbs, shrubs, or some tropical species trees. 

 Leaves alternate, very rarely opposite or verticillate, exstipulate, mostly entire 

 and hispid, pubescent, scabrous or setose. Flowers perfect, usually regular, mostly 

 blue, in one-sided scorpioid spikes, racemes, cymes, or sometimes scattered. Calyx 

 inferior, mostly 5-lobed, 5-cleft, or 5-parted, usually persistent, its lobes valvate. 

 Corolla gamopetalous, mostly regular and 5-lobed, sometimes crested or append- 

 aged in the throat, rarely irregular, its lobes imbricated, convolute, plicate or 

 induplicate in the bud. Stamens as many as the corolla-lobes and alternate with 

 them, inserted on the tube or throat ; filaments slender or short ; anthers 2-celled, 

 the sacs longitudinally dehiscent. Disk annular, entire, or 5-lobed, or none, com- 

 monly inconspicuous. Ovary superior, of 2 2-ovuled carpels, entire, or the carpels 

 commonly deeply 2-lobed, making it appear as of 4 i-ovuled carpels; style simple, 

 entire or 2-cleft in our genera ; ovules anatropous or amphitropous. Fruit mostly 

 of 4 i-seeded nutlets, or of 2 2-seeded carpels. Endosperm none; embryo straight 

 or curved ; cotyledons mostly flat or plano-convex ; radicle short. 



About 85 genera and 1500 species, of wide geographic distribution. 



