Order 21.— CAETOPHYLLACE^. 261 



2 S. erdcta L. Ascending, simple, glabrous; pet. as long as the lanceolate, acute 

 sepals ; sep. pet. and sta. 4. — 2) Dry places, Md. Sts. smooth and glaucous, 2 or 

 3' high, with only one or two fls. Lvs. linear, acute, 4 to 5'' long. Caps, ovate, 

 as long as the calyx. Apr., May. § Eur. (Moenchia quaternella Fenzl.) 



3 S. EUiottii Penzl. Tiifled, decumbent, glabrous ; lvs. linear-subulate, very 

 acute ; ped. much longer than the leaves ; fls. V ! P^^- hardly as long as the sep,; 

 sta. 10. — @ Sandy fields and woods at the South, common. St. 2 to 3' long. 

 Lvs. 6 to 10" long, connected at base by a membrane. Pis. much smaller than 

 in No. 1. Petals white, hardly as large as the sepals. Mar., Apr. 



4 S. noddsa PenzL Tufted, ascending, glabrous ; lvs. subulate, the upper very 

 short and fascicled; fls. '\/; pet., muc]j, longer than the sep.; sta. 10. — 2^ Lake 

 shores, Can., Isle of Shoals, N. H. (Eobbins). Sts. many from one root, sub- 

 simple, appearing knotted by the short, dense fascicles of leaves. 



5 S. fontinalis Short. Procumbent, glabrous; lvs. Unea/r-spatulate ; petals 0; 

 sta. 4 to 6. — (I) Ky. (Short and Peter.) An herb of larger growth than the other 

 species, on limestone rocks. Sts. a foot long. Sep. 4 or 5, obtuse, longer than 

 the depressed capsule. Apr., May. 



6 S. apetala L. Erect and pubescent ; lvs. linear-subulate ; ped. elongated ascend- 

 ing in fruit ; sep. and sta. 5 ; pet. very minute or 0. — (1) Sandy fields, N. J., Penn. 

 Sts. numerous, filiform, 2 to 4' high. Sep acute, shorter than the caps. May, Jn. 



11. HONKEKYA, Ehrli. Sea Sandwort. (Named in honor of J. 

 G. Honkenya, a German botanist.) Sepals 5, united at base ; petals 5, 

 ■with short claws, entire ; stamens 10, inserted into the crenate edge of 

 a conspicuous disk ; styles 3 to 5 ; capsule 3 to 5-valved, many-seeded. — 

 2) Herbs of the sea coast, with fleshy lvs. 



H. peploides DC. Abundant on the Atlantic coast, N. J. to Lab. Sts. creep- 

 ing, with upright branches, If long, forming dense tufts. Lvs. ovate, half clasp- 

 ing, acute, thick, 5 to 7 or 10" long, more than half as wide, mostly shorter than 

 the internodes. Fls. small, axillary, on short peduncles. Sep. veinless, exceeding 

 the white petals. May, Jn. (Adenarium, Raf.) 



12. SPERGULA, L. Spurry. (Lat. spergo, to scatter ; from the dis- 

 persion of the seeds.) Sepals 5, nearly distinct ; petals 5, entire ; 

 stamens 5 or 10; styles 5 ; capsule ovate, 5-valved, the valves opposite 

 the sepals ; seeds oo ; embryo coiled into a ring. — (I) Herbs with fls. in 

 loose cymes. Lvs. vertioillate. Stipules scarious. 



S. arv^nais L. Lvs. linear-subulate ; ped. reflexed in fruit ; sds. reniform, angu- 

 lar, rough. — A weed in cultivated grounds, Can. to Ga. Rt. small. St. round, 

 branched, with swelling joints, beset with copious whorled lvs., somewhat downy 

 and viscid. Two minute stipules under each whorl. Cyme forked, the terminal 

 (central) peduncles bending down as the fruit ripens. Petals white, longer than 

 the calyx, capsule twice as long. Sds. many, with a membranous margin. 

 May — ^Aug. § Bur. 



13. SPERGULARIA, Pers. Eed Sandwort. Sepals 5; petals 5, 

 entire; stamen 2 to 10; styles and valves of the capsule 8 (rarely 5, 

 and then alternate with the sepals) ; seeds oo ; embryo curved. — (J) @ 

 Low, spreading and slender-leaved, with red or rose-colored fls. Stip. 

 scarious. 



S. rillbra Pers. St. decumbent, much branched ; lvs. linear, slightly mucronate ; 

 stip. ovate, membraneous, cleft ; sep. lanceolate, with scarious margins ; sds. com- 

 pressed, angular, roughish. — Sandy fields. Can. to Plor., near the sea coast. Sts. 

 a few inches in length, slender, smooth, spreading on the ground, with small nar- 

 row lvs., and dry, sheathing stip. Hs. small, on hairy stalks. May— Oct. 

 (Arenaria rubra L.) 

 p. MARINA L. lvs. fleshy, usually much longer than the internodes, not mu- 

 cronate, seeds marginleas. — In salt marshes. 



