Sacixa. XXiil. CARYOPHYLLACE^. 189 



few-floAvered, with spreading branches.— 7| Sterile grounds, Arc. Am. to Car. 

 Stem 8—10' high. Leaves 5—8" long, very narrow and acute, rigid, sessile, 

 1-veined, much fasicled in the axils. Petals obovate-oblong, twice as long as 

 the sepals, white. May, Jn. 



3. A. Greenlandica. Spreng. (A. Glabra. Bw.) Greenland Sandwort. 

 Glabrous; sts. numerous, low, filiform, suberect; Ivs. linear-subulate, 



flat, spreading ; pedicels 1-flowered, elongated, divaricate ; sep. veinless, ovate, 

 obtuse, membrane-margined, much shorter than the petals.— '2|. Summits of high 

 mountains, N. H ! N. Y., N. to Greenland. It grows in tufted masses, con- 

 sisting of exceedingly numerous stems about 3' high, and sprinkled over with 

 large (8" diam.) white flowers with yellow stamens. Aug. 



4. A. SERPYLLIFOLIA. Thyme-Uaved Sandwort. 



St. dichoiomous, spreading ; Its. ovate, acute, subciliate ; cal. acute, sub- 

 striate ; pet. shorter than the calyx ; caps, ovate, 6-toothed.— ® By roadsides, 

 and in sandy fields, Ms. to Ga. Stems numerous, downy, with reflexed hairs, 

 a few inches in length. Leaves 2—3" long, J as wide. Flowers on axillary 

 and terminal peduncles. Petals white, oval, mostly much shorter than the 3 — 

 5-veined, acuminate, hairy sepals. Jn. 



5. A. LATERIFLORA. Sidc-Jiowering Sandwort. 



Erect., slightly pubescent ; lis. oval, obtuse ; ped. lateral, 2— 3-flowered. 

 — % A slender, upright species, found in damp, .shady grounds, N. States, and 

 Brit. Am. Stem 6—10' high, nearly simple. Leaves elliptical, rounded at 

 each end, 6—10" long, J as wide, on very short petioles. Peduncles terminal 

 and lateral, 2—3' long, dividing into 2 or more filiform pedicels, one of them 

 with 2 bracteoles in the middle. Flowers 4" diam., white. Petals more than 

 twice as long as sepals. Jn. 



3. ADENARIUM. Raf. 

 Sepals 5, united at base ; petals 5, unguiculate, entire ; stamens 

 10, inserted into a glandular disk ; styles 3 — 5 ; capsule 3 — 5-valved, 

 many-seeded. — ® Herhs of tJie sea-coast, with fleshy leaves. 



A. PEPLoiDEs. DC. (Arenaria. Linn. Honckenya. EhrL and 1st. 

 edit.) Sea Chickweed.— Very fleshy ; st. creeping, with erect, subsimple 

 branches ; Its. ovate, obtuse, veinless, exceeding the petals.— Abundant on the 

 Atlantic coast ! N. J. to Lab. Upright stems a foot high. Leaves 5— 7— 10" 

 long, i as wide, abruptly pointed, clasping at base, shorter than the internodes. 

 Flowers small, white, axillary, on short pedicels. Jl. 



5. SAGINA. 



Lat. aasina, any kind of food or nourishment, 



Sepals 4 — 5, united at base ; petals entire, 4 or 5, or ; stamens 

 4 — 10 ; styles 4 — 5 ; capsule 4 — 5-valved, many-seeded. — Fls. solitary. 



1. S. PROCUMBENS. Creeping Pcarlwort. 



St. procumbent; glabrous; pet. very short; sta., scp. and ;?r/. 4 or'5.-<§) 

 A small weed, with slender, creeping stenis 3 or 4' long, found in damp places, 

 R. I. ! N. Y. to S. Car., W. to Oregon. Leaves very small, linear, mucronate- 

 pointed, connate or opposite. Flowers white and green, axillary, on peduncles 

 longer than the leaves. Jn. 



2. S. DECu.MBEN.s. T. & G. (Spcrgula .saginoides. Linn.) Pcarlwort. 

 St. decumbent, a.scending, mostly glabrous; lis. linear-subulate, very 



acute; ped. much longer than the leaves; /W. and.sr/j. 5; 5/^. 10. — (J) Sandy 

 fields, U. S. and Can. Stem 2—3' long. Flowers axillary and terminal. Pe- 

 tals white, hardly as large as the sepals. Jl. Apparently a variety of S. pro- 

 curabens. ^1 



3. S. APETALA. 



Erect and pubescent; lis. linear-subulate; jx-d. elongated, ascending in 

 fruit; scp. and sla.i; pet. very minute or 0.—® Sandy fields, N. J, Penn. 



