Oedze 21— CAETOPHTLLACE^. 259 



atout equal to the veinloss sepals. — Qp "Wet places, N. H., N. T., N. to Arctic 

 Am. A spreading, flaccid plant. St. 6 to 12 or 15' long, with diffuse cymes 

 both terminal and axillary. Lvs. 8 to 15" long, 1-veinod. Petals, when present, 

 white, small, at length about as long as the lanceolate, acute sepals. Caps, longer 

 than the calyx Jn., Jl 



6 S. aqudtica Pollich. Nearly glabrous; st. slender, decumbent; lvs. lance- 

 oval and oblong, acute, witli manifest veinlets ; cymes lateral ; sep. lanceolate, 

 Tery acute, 3-veined, rather longer than the bifid petals; caps. 07oid, about 

 equalling the calyx; sty. 3. — '4- Swampy springs, Penn., Md. (Dr. Robbins); 

 also, Rocky Mts. A very slender plant, 6 to 12' long, with inconspicuous flowor-^ 

 Lvs. 6" by 2 to 3". May. (Labraia uliginosa Hook.) 



7 S. 16ngipes Goldie. Smooth and shining ; st. more or less decumbent, with 

 ascending branches ; lvs. linear-kmceolaie, broadest at base, acute ; peduncles and 

 pedicels erect, filiform, cymous, with ovate membranous bracts at base ; sep. with 

 membranous margins, obscurely 3-vein6d, scarcely shorter than the petals. — %■ 

 Lake shores, K. Y. and Mich. Petals white, 2-parted. Fls. in loose cymes, the 

 terminal peduncle or the middle one the longest. Jn. — Aug 



B S. longifolia Muhl. Lvs. linear; cyme terminal, spreading, with lanceolate, 

 soarious bracts ; pedicels spreading ; oal. 3-veined about equal to the petals. — D. 

 S. N. to Arc. Circle. The stems are of considerable length, very slender and 

 brittle, supported on other plants and bushes. Lvs. alternate at base. Fls. in a 

 divaricate, naked cyme, very elegant, white, appearing in 10 segments like the- 

 other species. Three sharp, green veins smgularly distinguish the sepals. Jn.. Jl. 



8. ARENARIA, L. Sandwort. (Lat. arena, sand ; in which most 

 species grow.) Sepals 5, spreading ; petals 5, entire ; stamens 10, 

 rarely fewer ; styles 3 ; ovary l-cellcd ; capsule 3-valvcd, valves each 

 2-parted ; seeds oo. — Sty. rarely 2 or 4. 



Abekaria. Leaves and sepals acute. Seeds not ftppendaged Nos. 1, ^ 



MsBlNOiA. Leaves and sepals obtasc. Seeds Btropbiolate Ko. o 



1 A. serpyllifolia L. Thtme-leaved Sandwoet. St. dichotomous, spreading ; 

 Iva. ovate, acute, subciliate ; cal. acute, striate ; petals shorter than the calyx ; 

 caps, ovate, 6-toothed. — Q By roadsides and in sandy fields, Ms. to G-a. Sts. 

 numerous, downy, with reflexed hairs, a few inches in length. . Lvs. but httle 

 longer than a flaxseed, beautifully ciliate. Fls. on axillary and terminal 

 peduncles. Pet. white, oval, mostly much shorter than the 3 to 5-veined, aecu- 

 minate, hairy sepals. Jn. 



2 A. difffkaa EU. St. long, decumbent, diffuse ; lvs. oblong or ovate-lanceolate, 

 acute at both ends; ped. 1-flowered; sep. acute: pet. oval, entire, much shorter 

 than the calyx, but generally wanting. — Moist woods, N. Car. to Fla. and Ga. 

 Sts. clambering, 2 to 5f in length, pubescent. Lvs. minutely dotted, attenuate 

 at base often to a petiole, G to 12" long. Ped. twice as long, terminal, but soon 

 axillary. Cal. as long (1") as in No. 1. Apr. — Jn. (Stellaria lanuginosa Torr. 

 & Gr.) 



3 A. laterifldra L. Upright, slightly pubescent; lvs. oval, obtuse; ped. lateral, 

 2 to 3-flowered ; sds. (strophiolate) appendaged at the hilum. — %■ Damp, shady 

 grounds, N. States and Brit. Am. St 6 to 10' high, nearly simple, slender. Lvs. 

 elliptical, rounded at each end, 6 to 10" long, J as wide, on very short petioles. 

 Ped. terminal and lateral, 2 to 3' long, dividing into 2 or more filiform pedicels, 

 one of them with 2 bracteoles in the middle. Fls. 4" diam. ; white petals more 

 than twice as long as the sepals. Jn. (Moeringia, L.) 



9. ALSINE, "Wahl. Gbovk Sandwort. (Gr. dXaog, a grove ; the 

 favorite locality of these little plants.) Sepals 5 ; petals 6, entire or 

 merely notched at apex ; stamens 10 ; styles 3 ; ovary 1-celled ; cap- 

 sule deeply 3-valved, valves entire ; seeds oo. — Small, slender herbs, 



