CARYOPHYLLE^E. 49 



HAB. White mountains, N. H. and throughout the whole of Arc- 

 tic America, N. of lat. 54. W. to Rocky mountains. Nearly 

 stemless, depressed. Flowers rose-coloured. 



3. SAPONARIA. Linn. 



Calyx tubular, 5-toothed, naked at base. Petals unguicu- 

 late; claw equalling the calyx. Stamens 10. Styles 2. 

 Capsule 1-celled. Decandria. Digynia. 



1. /& vaccaria Linn. : leaves ovate-lanceolate, sessile ; flowers in 

 panicles ; calyx pyramidal, 5-angled, smooth ; bracts membranaceous, 

 acute. 



HAB. Fields. Williamstown, Mass. Dewey. July. 0. 

 Floicers rose-coloured. Probably introduced, but completely 

 naturalized at the above locality. Field Soap-wort. 



2. S. qfficinalis Linn. : leaves ovate-lanceolate, ribbed, acute or 

 obtuse ; flowers large, in a fasciculate panicle ; calyx cylindrical ; ap- 

 pendages of the petals linear. 



HAB. Road sides. June Sept. If. Stem 12 18 inches high. 

 Leaves opposite and connate. Flowers large, rose-coloured. It 

 is said to make a lather with water, and hence its common name. 

 Introduced. Soap-wort. 



4. AGROSTEMMA. Linn. 



Calyx tubular, 5- sided, coriaceous. Petals 5, unguiculate, 

 not crowned ; limb entire. Capsule 1-celled, opening with 5 

 teeth. Decandria. Pentagynia. 



A. giOtago Linn. : hairy ; leaves opposite, linear-lanceolate ; seg- 

 ments of the calyx much longer than the corol ; flower solitary, ter- 

 minal, large ; petals entire, destitute of a crown. Lychnis giihago De 

 Cand. 



HAB. In corn fields. June, July. 0. StemlS 20 inches high. 

 Flowers large, purple. Introduced. Corn Cockle. 



5. SAGINA. Linn. 



Calyx 45 parted. Petals 4 5, or none. Stamens 4 5. 

 Capsule 4 5 valved, 1-celled, many seeded. 



Tetrandria. Tetragynia. 



1. & procumbens Linn. : perennial ; stems procumbent, smooth, 

 branched ; leaves linear-mucronate ; petals very short. 



HAB. Borders of utreams. N. Y. to Car. and W. to the banks of 

 the Columbia river. July. If. Stems 2 4 inches high. Pedun- 

 cles solitary, larger than the leaves. Flowers small, white. 



Pearl-wort. 



2. & apetala Linn. : annual ; stems erect or procumbent only at 

 base, subpubescent ; leaves linear-mucronate ; flowers alternate ; 

 petals very minute or none. 



