278 PLUMBAGINACE.E. (LEADWORT FAMILY.) 



4. P. lanceolata, L. Smooth or pubescent ; leaves lanceolate, acute, 

 denticulate, 3 - 5-ribbed, long-pctioled ; spikes dense, ovate or oblong ; capsule 

 2-seeded. Pastures and waste ground. Introduced. Scapes l-2 high. 

 Spikes 1'- 2' long. 



5. P. sparsiflora, Michx. Leaves smooth, lanceolate, toothed or entire, 

 narrowed into a long petiole ; scape much longer than the leaves, pubescent 

 below ; spike long, loosely flowered ; bracts ovate ; calyx-lobes obtuse ; capsule 

 2-seeded. (P. interrupta, Lam.) Moist pine barrens, Georgia and South Caro- 

 lina. June - Sept. Spikes 6' - 9' long. 



* * Flowers dicecious : annuals. 



6. P. Virginica, L. Pubescent ; leaves lanceolate or oblong, toothed or 

 entire, 3 - 5-ribbed, on rather short petioles ; spike cylindrical, densely-flowered ; 

 stamens 4; capsule 2-4 seeded. (P. purpurascens, Nutt.) Low sandy soil, 

 very common. April -June. Scapes 1' (and then 2-4-flowered) - 1 high. 

 Leaves ' - 6' long. 



7. P. heterophylla, Nutt. Smooth or pubescent ; leaves somewhat 

 fleshy, linear, entire, or with scattered spreading teeth ; spikes linear, closely 

 flowered ; the lower flowers scattered ; stamens 2, exserted ; capsule many- 

 seeded, twice the length of the calyx. Waste places and fields, Florida and 

 northward. April and May. Scape 2' -6' high, commonly longer than the 

 leaves. 



P. PUSILLA, Nutt. (which may be found within our limits) differs from No. 7 in 

 having the ovoid 4-seeded capsule scarcely longer than the calyx. 



ORDER 86. PL,UMBAGINACE^E. (LEADWORT FAMILY.) 



Herbs or shrubs, with scattered or radical and clustered leaves. 

 Calyx tubular or funnel-shaped, 5-toothed, plaited, persistent. Corolla 

 salver-shaped, 5-lobed or 5-petalous, with the 5 stamens opposite the 

 lobes or petals, and inserted on their claws or on the receptacle. Styles 

 5, distinct or united. Ovary 1-celled, with the solitary anatropous ovule 

 suspended from the apex of the filiform cord which arises from the base 

 of the cell. Fruit utricular or capsular, variously dehiscent. Embryo 

 straight, in mealy albumen. 



1. STATICE, L. MARSH ROSEMARY. 



Calyx bracted ; the limb scarious, 5-lobed. Petals 5, distinct, or united by 

 their claws. Stamens 5, inserted on the claws of the petals. Styles separate 

 or nearly so : stigmas slender. Utricle variously dehiscent. Perennial herbs, 

 growing in saline marshes, with fleshy chiefly radical leaves, and scape-like 



1. S. Caroliniana, Walt. Leaves oblong or obovate, tapering into a 

 long petiole; scape scaly, widely branching ; flowers mostly single, in 1-sided 



