ORDER 19. CARYOPHYLLACE^E. 57 



11. SFERGULARIA, Pers. SAND SPURRY. (Name derived from 

 Spergula.) Sep. 5. Pet. 5, entire. Stam. 210. Styles 3. Caps. 3-valved, 



oo-seeded. Herbs low, spreading, with narrow opposite leaves and sea- 

 rious stipules. Flowers red or rose-colored. 



1 S. rufora Presl. Decumbent, divaricately branched, slender; slip, triangular-acu- 



minate; Ivs. linear; sep. lanceolate, with scarious margins; pet. as long, pink-red; 

 seeds rough, inarginless. U Sandy, near the coast. 36'. May October. 



2 S. mari na. Plant thick and fleshy ; caps, a third longer than the calyx, with the 



seeds nearly smooth and mostly margined. Otherwise like No. 1, and perhaps not 

 distinct, n Salt marshes. May October. (Arenaria, L.) 



12. STTFULICIDA, Miclix. (Lat. stipula, ccedo ; the stipules being 

 much cleft.) Sep. with scarious margins. Pet. 5, as long as the sepals, en- 

 tire. Stig. 3, subsessile. Caps, subglobous, 3-valved, few-seeded. @ A 

 slender, tufted, dichotomously branched herb, almost leafless, with the 

 small flowers in terminal cymules. 



8. setacea MX. Dry sand, Ga. Fla. Stems almost setaceous, 6 1(X. Joints distant, 

 with a fringe of leaves and stipules '. Root leaves roundish, V. Fls. reddish. May. 



13. SPERGULA, L. SPURRY. (Lat. spergo, to scatter ; from the dis- 

 persion of the seeds.) Sep. 5. Pet. 5, entire. Stamens 5 or 10. Styles 5. 

 Caps, ovate, 5-valved, seeds GO. Embryo coiled into a ring. @ Herbs 

 with fls. in loose cymes. Leaves verticillate. Stipules scarious. 



S. arvensis L. Lvs. filiform ; ped. reflexed in fruit ; sds. reniform, angular, rough. 

 Cultivated grounds. 1 2f. Lvs. 12', many in a whorl. May August. 



14. FOLYCARPON, L. ALL-SEED. (77oA.t>?, much, xapTCoS, fruit; 

 the pods are many.) Sepals 5, carinate. Pet, 5, emarginate. Stam. 3 5. 

 Style short, 3-cleft. Caps. 3-valved. (i) Low, diffuse, with whorled Ivs. 

 P tetrapHyllum L. Lvs. spatulate or oval, tapering to a petiole, some of them in 



whorls of 4; stam. 3. Around Charleston, S. Car. 36'. Lvs. 3 5". Fls. minute. 



15. PARONYCHIA, Tourn. NAILWORT. (Tlapd, with, o^fc, the 

 nail; i. e., the ichitiow ; supposed cure for.) Sep. 5, linear-oblong, conni- 

 vent, mucronate or awnecl near the apex. Pet. or sterile filaments very 

 narrow and scale-like, or none. Stam. 2, 3, or 5. Stig. 2, with the styles 

 more or less united into 1. Utricle 1-seeded. Low herbs dichotomously 

 branched, with scarious, silvery stips., and at least the lower Ivs. opposite. 



% PARONYCHIA. Sepals evidently awned at apex. Lvs. linear and subulate Nos. 1, 2 

 ANY'CHIA (Mx. partly). Sep. merely mucronate at apex. Lvs. lanceolate to oval.(*) 



* Stems procumbent, diffuse on the ground. Stamens 5 Nos. 3, 4 



* Stems erect, with diffusely ascending branches. Stamens 2 or 3 Nos. 5, 6 



1 P. dichotoma Nutt. Glabrous, densely branched ; Ivs. acerose, mucronate; bracts 



like the leaves ; cymes fastigiate, with no central flower ; sepals 3-veined, cuspidate 

 04 Hocks, Va. to Car. and Ark. 6 12'. Lvs. I'. July November. 



2 P. argyrocoma Nutt. Pubescent, tufted, decumbent; Ivs. linear, acute; cymes 



glomerate, terminal ; fls. enveloped in dry, silvery bracts ; sep. hairy, 1-veined, seta- 

 ceously cuspidate, ll Mts. N. H. Va. to Ga. 410'. Lvs. <> 10". July. 

 S P. lierniarloides Nutt. Scabrous, diffusely branched; Ivs. oval or oblong, mu- 

 cronate ; the ramial alternate. Fls. sessile in the axils of the leaves ; sep. 3-veined, 

 merely mncronate. 11 Sand, S. Small, flat. Lvs. 13". July October. 



