MONOPETALOUS EXOGENOUS PLANTS. 370 



entire, or with scattered spreading teeth, linear; spikes 

 linear, closely flowered, the lower flowers scattering; sta- 

 mens 2, exserted; capsule twice the length of calyx, many- 

 seeded. — Torrey. 



P. GNAPHALOiDES. On the Big Medicine River. De- 

 scription not given. — Torrey, 



79. LEADWORT FAMILY. Order, PLUMBAGiNACEiE. 



Calyx funnel-form or tubular, 5-toothed, plaited, persist- 

 ent; coroZ^a salver-shaped, 5 -petalous, or 5-lobed; stamens 

 5, opposite the lobes or petals, inserted on their claws or on 

 the receptacle; styles 5, united or distinct; ovary 1-celled; 

 ovnle anatropous, solitary, suspended from the apex of the 

 filiform cord rising from the base of the cell ; friiit capsular 

 or utricular, variously dehiscent ; emhryo straiglit in mealy 

 albumen. — Herhs or shrubs; leaves scattered, or radical 

 and clustered. 



STATICE, L. Marsh Rosemary 



Perennial herls, growing in saline marshes, with fleshy 

 radical leaves and scape-like stems ; calyx bracted, the limb 

 scarious, 5-lobed; petals 5, united or distinct; stamens 5, 

 inserted oit the claws of the petals ; style nearly or entirely 

 separate ; stigmas slender ; utricle variously dehiscent. 



S. Caroliniana, Walt. Scape ■J-°-2° high, scaly, and 

 widely branched; leaves 3'-6' long, obovate or oblong, ta- 

 pering into a long petiole; fioioers mostly single, in 1-sided 

 spreading spikes ; calyx funnel-shaped, smooth, lobes of the 

 scarious limb alternating with 5 smaller ones. 



80. PRIMROSE FAMILY. Order, Primula ce^. 



Stamens 4-5, opposite the lobes of the corolla, and in- 

 serted on its tube ; corolla 4:-5-lobed : calyx 4-5-lobed, per- 



