OKDER 19. CARYOFHYLLACEiE. 57 



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

 Sperguta.) Sep. 5. Pet. 5, entire. Stam. 2 10. 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. r ii bra Presl. Decumbent, divaricately branched, slender; stip. triangular-acu- 



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

 seed? rough, marginlefs. il Sandy, near the coast. 3 ft*. May October. 



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



fe%-d nearly smooth and mostly margined. Otherwise like No. 1, and perhaps not 

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



12. STIPULICIDA, Michx. (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 

 srrmll tiowers in terminal cymules. 



S. set JUM'ji MX. Dry sand, Ga. Fla. Stems almost setaceous, 6 1(K. 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-valvecl, seeds GO. Embryo coiled into a ring. @ Herbs 

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



S. a r veiislN L. Lvs. filiform ; ped. reflexed in fruit ; sds. reniform, angular, rough. 

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



14. POLYCARPON, L. ALL-SEED. (IIoXvS, much, xapjio?, fruit; 

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

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

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



whorls of 4; stam. 3. Around Charleston, S. Car. 3 6'. Lvs. 3 5". Fls. minute. 



15. FARONYCHIA, Toum. NAILWORT. (Ilapd, with, OKD|, 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 

 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. 



S 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, fi 



t P. dlcliotoina Nutt. Glabrous, densely branched ; Ivs. acerose, mucronate; bract r, 



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

 ii Hocks, Va. to Car. and Ark. 6 12'. Lvs. V. 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, y. Mts. N. H. Va. to Ga. 4 1(X. Lvs. fi 10". July. 



3 P. liernlarloides 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 mucronate. is. Sand. S. Small, flat. Lvs. 1 3". July October. 



