GENUS 4. 



WATER-LEAF FAMILY. 



g. Phacelia fimbriata Michx. Fringed or 

 Mountain Phacelia. Fig. 3498. 



Phacelia fimbriata Michx. Fl. Bor. Am. i : 134. 1803. 



Annual, sparingly pubescent; stems simple or 

 branched, ascending or diffuse, 6'-2o' long. Basal 

 and lower leaves slender-petioled, 2' -4' long, pin- 

 nately divided into 5-9 orbicular obovate or oblong 

 obtuse dentate or entire segments; upper leaves 

 sessile, their segments oblong or lanceolate, acute ; 

 clusters loose, 3-i2-flowered ; pedicels 4"-: 5" long; 

 flowers 4"-S" broad, -white; calyx-segments linear to 

 spatulate, obtuse ; corolla rotate-campanulate, not 

 appendaged within, its lobes strongly fimbriate; fila- 

 ments pilose, about equalling the corolla ; ovules 2 

 on each placenta; capsule depressed-globose, 2" in 

 diameter. 



In woods, mountains of Virginia to Alabama. May- 

 June. 



5. NAMA L. Sp. PI. 226. 1753. 



[HYDROLEA L. Sp. PL Ed. 2, 328. 1762.] 



Perennial herbs, some tropical species shrubby, with alternate entire leaves, sometimes 

 with spines in their axils, and blue cymose-clustered or racemose flowers. Calyx-segments 

 distinct to the base, ovate or lanceolate. Corolla rotate-campanulate, not appendaged within, 

 5-cleft, the lobes imbricated in the bud. Stamens inserted on the base of the corolla; fila- 

 ments filiform, dilated below; anthers sagittate. Ovary 2-celled (rarely 3-celled) ; ovules 

 numerous in each cavity, on fleshy adherent placentae ; styles 2, rarely 3, slender or filiform, 

 distinct to the base; stigma capitellate. Capsule globose or ovoid, septicidally or irregularly 

 dehiscent. 



About 15 species, natives of warm and tropical regoins of both the Old World and the New. 

 Besides the following, another occurs in the southern United States. Type species: Nama 

 zeylanica L. 



Leaves lanceolate ; flowers mostly in axillary clusters. 



Glabrous, or very nearly so, throughout ; sepals ovate to ovate-lanceolate. i. N. affinis. 



Villous, at least above, and on the calyx ; sepals lanceolate. 2. N. quadrivalvis. 



Leaves ovate ; flowers mostly in terminal clusters ; sepals villous. 3. N. ovata. 



i. Nama affinis (A. Gray) Kuntze. 

 Smooth Nama. Fig. 3499. 



Hydrolea affinis A. Gray, Man. Ed. 5, 370. 1867. 

 Nama affinis Kuntze, Rev. Gen. PI. 435. 1891. 



Glabrous or very nearly so throughout, 

 with or without slender spines in the axils ; 

 stems ascending, i-2i high. Leaves ob- 

 long-lanceolate, petioled, acute or acumi- 

 nate at both ends, 2-5' long, 4"-8" wide; 

 flowers 6"-7" broad, short-pedicelled, in 

 rather dense peduncled leafy-bracted axil- 

 lary clusters ; sepals ovate or ovate-lanceo- 

 late, acute or acuminate, about equalling the 

 corolla ; capsule 2" in diameter when ma- 

 ture, somewhat longer than the styles, 

 shorter than the sepals. 



In wet places, southern Illinois to Missouri, 

 Louisiana and Texas. June-Aug. 



