CARYOPHYLLACEJX. (PINK FAMILY.) 47 
1. S. Americana, Torr. & Gray. Stems prostrate, diffuse, pubescent in 
lines; leaves lanceolate, narrowed at the base; the radical ones larger and 
crowded ; flowers obovate, solitary in the forks of the stem, and clustered at the 
end of the branches; sepals rounded and incurved at the apex, the tube bristly 
with hooked hairs; petals minute. (Herniaria Americana, Nutt. Paronychia 
urceolata, Shuttl.) — Sandy banks of rivers, Florida to South Carolina, and 
westward. June-Oct. @ or () — Stems 19-39 long. Leaves sometimes 
faleate and incrusted with brownish particles. Stipules small. 
2. S. diffusa, n. sp. Pubescent; stems prostrate, diffusely-branched ; leaves 
lanceolate, obtuse, narrowed at the base; flowers small, in compact, rectangular 
cymes, terminating all the branches; sepals linear, slightly concave and muero- © 
nate at the apex, the tube bristly with hooked hairs; petals bristle-like. — Dry 
sandy pine barrens, Florida. June- Oct. ($)— Stems 1° long. Stipules con- 
spicuous, on young plants half as long as the leaves, at length 2-parted. Cymes 
very numerous. 
3. S. erecta, n. sp. Stems smooth, clustered, erect, rigid, mostly simple; 
leaves erect, linear, acute, pubescent on the margins, those of the barren stems 
imbricated; cyme compound, rectangular, fastigiate, compact ; sepals lanceolate, 
smooth, acutish, or obscurely mucronate at the apex, the tube smooth and fur- 
rowed; petals bristle-like, half as long as the stamens. — Sands. along the west 
coast of Florida. June- Nov. te M xp: iocum vel eir gr 
ules half as long as the leaves. - tes s 
4. S. Rugelii. Annual; cu ay Hiei fadi tn a 
short and rather dense pubescence, as also the leaves and bracts ; leaves oblance- 
olate, abruptly pointed, shorter than the internodes, the upper ones linear; stip- 
ules 1-3 as long as the leaves, soon 2-4-parted; cymes numerous, terminal, 
rather loosely flowered ; calyx-tube short, pubescent, the linear-lanceolate divis- 
ions conspicuously mucronate, white; petals bristle-like; style included. (Pa- 
ronychia Rugelii, Shuttl.) — East Florida. — Stems 1° high, at length diffuse ? 
4. STIPULICIDA, Michx. 
Sepals 5, emarginate, white-margined. Petals 5, spatulate, 2-toothed near 
the base, longer than the sepals, withering-persistent. Stamens 3, opposite the 
inner sepals. Style very short, 3-parted. Capsule 1-celled, 3-valved, many- 
seeded. — A small perennial, with an erect forking stem. Stem-leaves minute, 
subulate, with adnate pectinate stipules. Radical leaves spatulate, clustered, 
growing from a tuft of bristly stipules. Flowers white, in terminal clusters. 
1. S. setacea, Michx. — Low sandy pine barrens, Florida to North Caro- 
lina. April-June. — Stem 3! - 6' high, the branches spreading and curving. _ 
5. SPERGULARIA, Pers. 
Sepals 5. Petals 5, oval, entire. Stamens 2-10. ‘Styles 3-5. Cap: 
3-5-valved; the valves when 5, alone a es ee .aritin 
eden EN Scar 
