62 CARTOPHTLL iCE^. (piNK I'AMILY.) 



coiled into a complete ring. — Low herbs, growing on or near the sea-coast, with 

 fleshy opposite leaves, and smaller ones often clustered in the axils : stljjulos 

 scaly-membranaceous. (Name altered from Spergula.) 



1. S. rubra, Pers. Much branched, upright or spreading, smooth or vis- 

 cid-pubescent; leaves filiform-linear, rather fleshy; petals puqjle-rose-color ; 

 seeds marginless. (5) (Arenaria rubra, L.) — Sandy soil, often considerably re- 

 mote from salt water, Maine to Virginia and southward. June - Sept. — Leaves 

 mostly shorter than the joints. Plowers about 2" broad. (Eu.) 



Var. marina. Larger; the leaves longer and more fleshy; flowers 2-4 

 times larger; pods equalling or exceeding the calyx; seeds marginless (Arena- 

 ria rubra, var. marina, L.), or wing-margined (A. media, L.). (l) U^ — Sja- 

 coast; common. (Eu.) 



15. SPERGiriiA, L. Sfukbey. 



Stamens 5 or 10. Styles 5. The 5 valves of the pod opposite the sepals. 

 Embryo spirally annular. Leaves in whorls. Otherwise as iu Spergularia. 

 (Name from spargo, to scatter, from the seeds.) 



1. S. ARVENSis, L. (CoEN SpuERET.) Leaves numerous in the whorls, 

 linear-thread-shaped (l'-2' long); stipules minute; flowers white, in a stalked 

 panicled cyme ; seeds rough, with a narrow and shai-p edge. (1) ■ — Gi ain-fields, 

 &c. (Adv. from Eu.) 



16. A NY CHI A, Michx. Eoeked Chiokwjted. 



Sepals 5, scarcely concave, indistinctly muoronate on the back, gi-eenish. 

 Petals none. Stamens 2-3, rarely 5. Stigmas 2, sessile. Utricle 1-seedcd, 

 larger than the calyx. Radicle turned downwards. — Small, many times forked 

 annuals, with small stipules and minute flowers in the forks. ( Same derivation 

 as the next genus.) 



1. A. tlichdtonia, Michx. Erect or spreading; leaves varying from 

 lanceolate to elliptical, somewhat potioled. Varies much; in woods or rich 

 soil being very smooth, erect (6'- 10' high) and capillary, with long joints, the 

 leaves broader and thinner (5"- 10" long), and the flowers more stalked (A. 

 capillacea, Nutt., & Queria Canadensis, i.) : in sterile or parched soil it is some- 

 what pubescent, low and spreading, short-jointed, narrower-leaved, and tlie flow- 

 ers neai-ly sessile and more clustered (A. dichotoma, DC). — Common tlirough- 

 out. June - Aug. 



17. PARONYCHIA, Tom-n. Wiutlow-wort. 



Sepals 5, linear or oblong, concave, awned at the apex. Petals bristle-form, 

 or minute teeth, or none. Stamens 5. Style 2-cleft at the apex. Utricle 1- 

 seeded, enclosed iu the calyx. Radicle ascending. — Tufted herbs, Avith diy and 

 silvery stipules, and clustered flowers. (A Greek name for a wldtloio, and for a 

 plant thought to cure it.) 



1. F. argyrdcoma, Nutt, (Silver Chi okweed.) Densely matted, 

 much branched, spreading ; leaves linear ; flowers capitate, clustered, surrounded 



