258 Order 21.— CAEYOPHTLLACE-Sl. 



2 C. viscdsum Ii. Hairy, viscid, spreading; Ivs. oUong-lcmeeolate, rather aaiie ; 

 fls. in loose cymes ; sep. scarious and white on the margin and apex, shorter thxm 

 Hie pedicels.— % Fields and waste grounds, IT. S. and Can. Plant greener than 

 the last. Sts. many, assurgent, diohotomoualy oymous. Lvs. 5 to 9" long, J to 

 i as wide, radical ones subspatulate. Ms. white, in diffuse cymes. Pet. hardly 

 as long as the sep., obovate, bifid. Sta. rarely but 5. Jn. — Aug. 



3 C. arvense L. Pubescent, somewhat cEespitous; lvs. linear-lanceolate, acute, 

 often longer than the internodes ; cyme on a long, terminal peduncle, four-flow- 

 ered ; petals more than twice longer than the calyx ; caps, scaircely eaxeeding the 

 sepafe.— 'i|. Rocky hills. Sts. 4 to 10' high, decumbent at -base. Lvs. 9 to 15" 

 long, 1 to 2" wide. Fls. white, rather large. Caps, usually a little longer than 

 the calyx. May — Aug. 



4 C. oblongifdlium Torr. Tillous, viscid above ; st. erect or declined ; lvs. 

 oblong-lanceolate, mostly obtuse, and shorter than the internodes ; fls. numerous, 

 in a spreading cyme ; pet. twice as long as the sepals ; caps, about twice as long as 

 the calyx.— %■ Rocky places. Sts. 6 to 10' high, thick. Lvs. 9 to 12" by 3 to p", 

 tapering from base to an acute or obtuse apex. Fls. larger than either of the 

 foregoing, white, in two or three-forked cymea Apr. — Jn. 



5 C. niltans Raf. Viscid and pubescent; st. weak, striate-sulcate, erect; lvs- 

 lanceolate; fls. many, diffusely cymous, on long, filiform, nodding pedicels ; pet. 

 nearly twice as long as the cal. ; caps, a little curved, nearly th'ice as long. — (5 

 Low grounds, Tt. to 111. and La. Pale green and clammy. Sts. 8 to 15' high, 

 branched from the base. Lvs. J to 2' long, i as wide. Pis. white. May. — 

 Varies greatly at different dates; beginmng to flower when small in all its parts. 



7. SJELLARIA, L. Stab Chickwbbd. (Latin, stella, a star — from 

 the stellate or star-like flowers.) Sepals 5, connected at base ; petals 5, 

 2-parted, rarely ; stamens 10, rarely fewer; styles 3, sometimes 4; 

 capsule ovoid, 1-celled, valves as many as styles, 2-parted at top ; seeds 

 many. — Small herbs in moist, shady places. Fls. in forked cymes or 

 axillary, white. 



§ sterna leafV to the top, or with leafy bracts, (a) 



§ Stems leaness above, bearing scarious bracts Nos. 6 — 8 



a Leaves ovate. Stems prostrate, pubescent. Nos. 1, H 



a Leaves oblong, lanceolate or linear. ; Nos. 3--^ 



.1 S. m^dia Smith. CmoKWEED. Lvs. ovate ; st. procumbent, with an alternate, 

 lateral, hairy line; pet. shorter than the sep; sta. 3 to 5 or 10. — A common weed 

 in almost every situation N. of Mexico, flowering from the beginning of Spring 

 to the end of Autumn. Sts. branched, becoming oymous, brittle, round, jointed, 

 leafy, and remarkably distinguished by the hairy ridge. Fls. small, white. Tha 

 seeds are eaten by poultry and birds. § Eur. 



2 S. prostrita Baldw. Lvs. ovate, the'lower on long petioles, sta procumbent, 

 hollow, pubescent ; fls. on long pedicels ; pet. longer them sepals ; stam. 7. — ® Ga. 

 and Fla. Sts. 1 to 4f long, slightly channelled and downy ; lower lvs. sub- 

 cordate, shorter than the oiliate-petioles. Fls. small. Mar., Apr. 



3 S. pUbeza. Michx. St. ascending, pubescent in one lateral or two opposite lines; 

 hs. oUong or elliptical, acute, sessile, somewhat ciliate; fls. on filiform, finally 

 .recurved pedicels; petals longer than the sepals. — if In rooky places, Penn. to 

 Ind. and Ga. St. 6 to 12' high, often diffusely spreading. Lvs. 1 to 2J' by 4 to 

 10", with minute, seattered hairs. Fls. J' diam., axillary and terminal, with 10 

 stamens and 3 styles. Sep. white-edged. Apr.— Jn. 



'4 S. unifldra 'Walt. St. glabroua, erect, branched from the base ; lvs. linear- 

 subulate, lanceolate, acute ; Ped. axillary, solitary, 1-flowered ; pet. emarginate, 

 twice as long as the sep,—® N. Car., Ga., in swamps. Sts. 10 — 12' high, slen- 

 der. Lvs. much shorter than the internodes. Fed. filiform, as long (2 to 3') as 

 the internodes. May. 

 S S. borealis Bigelow. St. weak, smooth; lvs. veinless, lanceolate, acute; ped. 

 at length axillary, elongated, l-flowered ; petals 2-paried (sometimes wanting), 



