OUDEU 19. CARYOPHYLLACE^E. 55 



1 C. vulgatiim L. Hairy, ctespitons; 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. 612'. June-Aug. 



2 C. viscosiim 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. arvense L. Pubescent ; Ivs. linear-lanceolate, acute ; cyme on a long, tennina 



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

 exceeding the sepals, y Rocky hills. 410'. May An?. 



4 C. obloiiglfolium Torr. Villons, viscid above; Ivs. oblong-lanceolate; flowers 



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

 as long as the calyx. V. Rocky places. Rare. G 10'. Fls. large. April June. 



5 O. 11 it tans 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. STAII CHICKWEED. (Lat. stetta, a star; from 

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

 rarely 0. Stain. 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 scarions bracts Nos. 7, 8, 9 



1 S. media Smith. Lvs. ovate ; st. procumbent, with an alternate, lateral, hairy 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- 



bescevt ; 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. ti Pa. S. and W. Apr. Jn. 



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



ped. long, 1-flwd. ; pet. obcordate. twice longer than cal. Swamps, S. 10 12'. May. 



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



1-flwd. ; pet. 2-parted (often 0), as long as calyx, it Wet shades, N. Eng. to Wis. fi 15'. 



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



cal.,orO; sds. roughened. Wet rocky places, Ky. and N. (Sagina foutii.alis Sh.& Pet.) 



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



sessile, leafless ; sep. 3- veined, as long as the bifid pet. li Springs, Md. toN. II., and W. 



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



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

 if Mo. to Mich, and N. June. 



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



eels spreading ; petals longer than the calyx. 21 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 

 sepals. 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 half- valves. Lvs. acute. Seeds naked Nos. 1, 9 



S MfERiN<tiA. Caps, as above. LVH. and scp. obtuse. Sds. utrophiolate No 3 



