SYNOPSIS OF THE GENERA. 



rarely irregular. Styles two, persistent. Capsule free, or 

 attached to the calyx, two beaked, two celled, opening be- 

 tween the beaks. Seeds numerous, smooth or rough, the 

 receptacle in the middle of the dissepiments. Perennial 

 or annual herbaceous plants, flowers paniculated, corym- 

 bose or solitary. 



*** Perianth double, calyx tubular, of one piece. 



9. DIAN'THUS, [Page 616.] Calyx tubular, five toothed, with 



from two to four opposite imbricated scales at the base. 

 Petals five, contracted at the mouth into a narrow claw. 

 Stamens ten. Styles two. Capsule of one cell. Seeds 

 peltate, compressed on one side, concave on the other. 



10. SAPONA'KIA, [Page 621.] Calyx tubular, five toothed, 



naked at the base. Petals five, contracted at the mouth 

 into a narrow claw. Stamens ten. Styles two. Capsule 

 of one cell, four valved at the apex. Seeds roundish, 

 kidney-shaped. 



ORDER III. TRIGYNIA. 3 Pistilt. 

 * Calyx of one piece, tubular. 



11. SILE'NE, [Page 622.] Calyx tubular, often ventricose, five 



toothed, naked at the base. Petals five, clawed, mostly 

 having scales at the mouth, and generally notched or bifid. 

 Stamens ten. Stigmas three. Capsules three celled at the 

 base, bursting at the aptx with six teeth. 



** Calyx of five pieces. 



12. ALSI'NE, [Page 631.] Calyx five, rarely of four piece?. 



Petals five, rarely four, entire, or slightly notched. 



Stamens ten, some of which are occasionally abortive. 



Filaments subulate. Styles three. Capsules three valved, 

 of one cell, many seeded. 



13. CHERLE'RIA, [Page 637] Calyx of five pieces. Petals 



five, minute, notched, sometimes wanting. Stamens ten, 

 the outer ones opposite, the calyx segments with an emar- 

 ginate gland at the base. Styles three. Capsules three 

 valved, of one cell, many seeded. 



14. ARENA'RIA, [Page 638.] Calyx of five pieces. Petals 



five, entire, or slightly notched. Stamens ten, some of 

 which are occasionally abortive. Styles three. Capsule 

 six valved, of one cell. Seeds numerous. 



