ORDER 19 CARYOPHYLLACE^. 57 



11. SPERGULARIA, 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 sca- 

 rious stipules. Flowers red or rose-colored 



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



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

 seeds rough, marginless. H Sandy, near the coast. 3 6'. May October. 



2 S. marina. 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, at Salt marshes. May October. (Arenaria, L.) 



12. STIFULICIDA, Michx. (Lat, stipula, ccedo ; tlie 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. 



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

 with a fringe of leaves and stipules f'. Root leaves roundish, 1". 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 oo. Embryo coiled into a ring. @ Herbs 

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



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

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



14. FOLYCARPON, L. ALL-SEED. (ZToAu's, much, xapTtot, fruit; 

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

 Style short, 3-cleft. Caps. 3-valved. (D Low, difl\ise, 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. FARONYCHIA, Toura. NAILWORT. (Ilapd, with, ovv%, the 

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

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

 naiTow 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 

 ANYCHIA (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. dicliotoma Nutt. Glabrous, densely branched ; Ivs. acerose, mucronate; bracts 



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

 14 Hocks, Va. to Car. and Ark. 6 12'. Lvs. V. July November. 



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



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

 ceously cu?pidate. V Mts. N. II. Va. to Ga. 4 10'. Lvs. (j 10". July. 

 8 P. lierniarioides Nutt. Scabrous, diffusely branched ; Ivs. oval or oblong, mn- 

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

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



