Sahin-*. XX hi. CARYOPflVLLACEiE. 189 



l'ew-fli)\vc"red, with spreading branches. — 1\. Sterile grounds, Arc. Am. to Car. 

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

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

 the sepals, white. May, Jn. 



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

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



flat, spreading; pedicels l-flo\vered, elongated, divaricate; sep. veinless, ovate, 

 obtuse, membrane-margined, much shorter than the petals. — %. 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. SERPYI.LIFOLIA. Tki/mc-kaved Sandtrort. 



St. dichotomous, spreading; Ivs. 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. S Ldc-Jlowering Sandwort. 



Erect., slightly pubescent ; Ivs. 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 ba.se ; petals 5, unguiculate, entire ; stamens 

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

 many-seeded. — (D Herbs of the sea-coast^ tcithfieshy leaves. 



A. PEPLoiDES. DC. (Arenaria. Linn. Honckenya. E/trA. and \st. 



edit.) Sea Chickweed.— Very fleshy; 5/. creeping, with erect, subsimple 

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

 Atlantic coa.st ! N.J. to Lab. Upright stems a foot high. Leaves 5 — 7 — lO" 

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

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



5. SAGlNA. 



Lat. sagina, 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 — S-valved, many-seeded. — Fls. solitary. 



1. S. PROCUMBEXs. Creeping Pcarhcort. 



St. procumbent ; glabrous ; pet. very short ; sta., sep. and pet. 4 or 5.— <g) 

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

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

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

 longer than the leaves. Jn. 



2. S. DECCMBENs. T. & G. (Spci^ula saginoides. Linn.) Pearlivort. 

 St. decumbent, ascending, mostly glabrous ; Ivs. linear-subulate, very 



acute; ped. much longer than the leaves; pet. and sep. b; sta. 10.— <i) 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- 

 cumbens. ^ 1 



3. S. APETALA. 



Erect and pubescent ; Ivs. linear-subulate ; ped. elongated, ascending in 

 fruit; sep. and sta. 4; pet. very minute or 0. — (J) Sandy fields, N. J., Penn. 



