816 PRIMULACE^E. (PRIMROSE FAMILY.) 



der petioles: corolla about the length of the calyx. — Swampy river-banks, West 

 Virginia [Aikin) and southward. — Leaves and flowers nearly one half smaller 

 than in the last. 



6. L. lanceol&ta, Walt. Stem erect (10'- 20' high); leaves lanceolate, va- 

 rying to oblong and to linear, narrowed into a short margined petiole or tapering base, 

 or the lowest short and broad on long petioles. — Var. hybrida is merely the 

 broader-leaved form. Var. angustif6lia (L. angustifolia, Lam.) is a slender 

 branching form, with the upper leaves narrowly lanceolate or linear, and acute 

 2ki both ends. — Low grounds : not uncommon, especially westward and south- 

 ward. June - Aug. 



7. L. longifblia, Pursh. Stem erect, 4-ang\ed, slender (1°- 3° high), often 

 branched below; stem-leaves sessile, narrowly linear, elongated (2' -4' long, 2" -3" 

 wide), smooth and shining, rather rigid, obtuse, the margins often a little revo- 

 lute, the veins obscure; the lowest oblong or spatulate ; corolla (8" -9" broad) 

 longer than the calyx, the lobes conspicuously pointed. (L. revoluta, Nuti.) — 

 Moist soil, Western New York and Pennsylvania to Wisconsin and Illinois. 

 July - Sept. 



§ 4. Introduced European species of true Lysimachia. 



8. L. nummularia, L. (Moneywort.) Smooth ; stems trailing and 

 creeping; leaves roundish, small, short-petioled ; peduncles axillary, 1 -flowered; 

 divisions of the corolla broadly ovate, obtuse, longer than the lance-ovate calyx- 

 lobes and the stamens; filaments slightly monadelphous at the base. — Escaped 

 from gardens into damp ground in some places. July -Sept. 



6. GLAITX, L. Sea-Milkwort. 



Calyx bell-shaped, 5-cleft ; the lobes ovate, petal-like. Corolla wanting. Sta- 

 mens 5, on the base of the calyx, alternate with its lobes. Pod 5-valved, few- 

 seeded. — A low and leafy fleshy perennial, with opposite oblong and entire ses- 

 sile leaves, and solitary nearly sessile (purplish and white) flowers in their axils. 

 (An ancient Greek name, from y\avKos, sea-green.) 



1. G. maritima, L. — Sea-shore of New England from Cape Cod north- 

 ward. Also beyond the Mississippi northwestward. June. (Eu.) 



7. ANAGALLIS, Tourn. Pimpernel. 



Calyx 5-parted. Corolla wheel-shaped, with almost no tube, 5-parted, longer 

 than the calyx ; the divisions broad. Stamens 5 : filaments bearded. Pod 

 membranaceous, circumcissile, the top falling off like a lid, many-seeded. — Low, 

 spreading or procumbent herbs, mostly annuals, with opposite or whorled entire 

 leaves, and solitary flowers on axillary peduncles. (The ancient Greek name, 

 probably from ara, again, and ayaWco, to delight in.) 



1. A. arvensis, L. (Common Pimpernel.) Leaves ovate, sessile, shorter 

 than the peduncles ; petals obovate. obtuse, fringed with minute teeth or stalked 

 glands. — Waste sandy fields. June - Aug. — Flowers variable in size, scarlet, 

 sometimes purple, blue, or white, quickly closing at the approach of bad 

 weather; whence the English popular name of "Poor Man's Weather-glass." 

 (Nat. from Eu.) 



