ORDER 19. CARYOPHYLLACE^E. 55 



* C. vulgatum L. Hairy, crespitous; Ivs. obovate or ovate, obtuse, attenuated at 

 base : fls. in subcapitate clusters ; scp. acute, longer than the pedicels ; stam. often 5. 

 Fields and waste grounds. 6 12'. June-Aug. 



2 C. viscosum L. Hairy, viscid, spreading: Ivs. oblong-lanceolate, rather acute ; fls. 



in loose cymes ; sep. obtuse, scarious on the margin and apex, shorter than the pedi- 

 cels, v Fields and waste grounds. 59'. Plant greener. June Aug. 



3 C. arvcnse L. Pubescent ; Ivs. linear-lanceolate, acute ; cyme on a long, terminn. 



peduncle, 4-flowcred ; petals more than twice longer than the calyx; capsule scarcely 

 exceeding the sepals. i Rocky hille. 4 10'. May Aug. 



4 C. obloiiglfolium Torr. Villous, viscid above; IVP. oblong-lanceolate; flowers 



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

 aa long as the calyx, v Rocky places. Rare. 610'. Fls. large. April June. 

 R C. ii u tan* Raf. Viscid-pubescent, erect; Ivs. lanceolate; fls. many, diffusely cy- 

 mous, on long, filiform, nodding pedicels ; pet. nearly twice as long as the calyx ; cap- 

 sule a little curved, nearly thrice as long. Low grounds. 812'. May. 



7. STELLARIA, L. STAR CHICKWEED. (Lat. stella, a star; from 

 the stellate or star-like flowers.) Sep. 5, connected at base. Pet. 5, 2-parted, 

 rarely 0. Stam. 10, rarely fewer. Styles 3, sometimes 4. Caps, ovoid, 1- 

 celled, valves as many as styles, 2-parted at top. Sds. many. Small herbs in 

 moist, shady places. Fls. in forked cymes or axillary, small, wh. Fig. 456. 



Stems hairy mostly in lines, leafy to the top. Leaves broad Nos. 1, 2, 3 



Stems all glabrous, a leafy to the top. Petals sometimes wanting Nos. 4, 5, 6 



a leafless above, with scarious bracts Nos. 7, 8, 9 



1 S. media Smith. Lvs. ovate ; st. procumbent, with an alternate, lateral, h.iiry line ; 



pet. shorter than the sep. ; stam. 3 to 5 or 10. A common weed. April Nov. 



2 S. prostrata Baldw. Lvs. ovate, the lower on long petioles ; sts. procumbent, pu- 



bcscevt ; fls. on long pedicels ; pet. longer than sepals ; stam. 7. Ga. Fla. Mar. Ap. 



3 S. pubera Michx. Stem ascending, pubescent in 1 lateral or 2 opposite lines ; Ivs. 



oblong, acute, sessile ; pet. longer than the white-edged sep. "U Pa. S. and W. Apr.Jn. 



4 S. uiiiftora Walt. Smooth, erect from a prostrate base : Ivs. linear-subulate, remote ; 



ped. long, 1-flwd. ; pet. obcordate, twice longer than cal. @ Swamps, S. 1012'. May. 



5 S. borealis Bw. Smooth, weak : Ivs. veinless, lance-oblong; ped. at length axillary, 



1-flwd. ; pet. 2-parled (often 0), as long as calyx. TI Wet shades, N. Eng. to Wis. 6 15'. 



6 S. crassifolia Ehrh. Sts. weak ; Ivs. linear-oblong, thickish ; pet. longer than ttio 



cal., or ; sds. roughened. Wet rocky places, Ky. and N. (Sagina fontii^alu Sh.& Pet.) 



7 S. uliginosa Murr. Decumbent; Ivs. lance-oval and oblong, veiny ; cymes lateral, 



sessile, leafless ; sep. 3- veined, as long as the bifid pet. y Springs, Md. to N. H., and W. 



8 S. loiigipes Goldie. Smooth and shining; Ivs. linear-lanceolate, broadest at base; 



ped. erect, filiform, cymous ; sep. with membranous margins, shorter than the petals. 

 U Mo. to Mich, and N. June. 



9 S. longifolia Muhl. Lvs. linear ; cyme terminal, naked, at length lateral, the pedi- 



cels spreading ; petals longer than the calyx, it Common. July. 



8. ARENARIA, L. SANDWORT. (Lat. arena, sand, in which most* 

 species grow.) Sep. 5, spreading. Pet. 5, entire, or notched, rarely 0. 

 Stam. 10, rarely fewer. Styles 3, rarely more or fewer, opposite to as many 

 Bepals. Capsule 1 -celled, oo-seeded, opening by valves or half- valves. 

 Slender herbs, mostly tufted, with white flowers. (The following sections 

 have sometimes been regarded as genera.) 



? ARENARIA. Caps, splitting into fi half-valves. Lvs. acute. Seeds naked Nos. 1, 9 



f MCERINGIA. Caps, as above, Lvs. and scp. obtuse. Sds. strophiolate No. 8 



