XIV, CAUYOPIIYLLACK^ 



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1. 



Ill 



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Sub-Ord. I. S1LENE.E. Calyx monnphy lions, toothed. Capsule stalked. 



Stamens 10. 



1. DiANxnus. Calyx with bracts (usually 4) at the base. Seeds pel- 



tate. Styles 2. 



2. Saponaria. Calyx naked at the base, terete. Seeds globose or 



reniform. Styles 2. 

 2*. Vaccaria. Calyx naked at the base, 5 -angled and in fruit 5- 



winged. Styles 2. 

 2^ CucuBALUs. Capsule fleshy, scarcely opening. Styles 3—4. 



3. SiLENK. Capsule dry, opening at the top with 6 teeth. Styles 3 — 4. 

 4! Lychnis. Styles 5. Petals with an appendage at the base of the 



limb. 

 Agrostemma. Styles 6. Petals without an appendage. 



Sub-Ord. IL Alsine^e. Sepals distinct. Capsule sessile, l-celled. Petals 



often perigynous, 



* Capsule opening by as many entire valves as styles. 



f Styles as many as the sepals, and alternate icith the valves of capsule, 



opposite the sepals, 



6. Sagina. Petals 0, or minute, or entire. Stamens usually 4 or 10. 



Styles 4^5. 



tt Styles and capsule valves fewer th an t sepals ; or if as many, styles 



opposite to, and caps.-valves alternate with, the sepals. 



7. BuFFONiA. Sepals 4. Petals 4, entire. Stamens 4. Styles 2. 



8. Cherleria. Sepals 5. Petals (or very minute and pengynous). 



Stamens 10. Styles 3. Seeds feAY, minute. Flowers polygamous. 



9. Hoxckenya. Sepals 5. Petals entire, conspicuous. Stamens 10. 



Styles 3—5. Seeds few, large. Flowers polygamous. 

 10. Arenaria. § L Sepals usually 5 Petals entire, conspicuous. 



Stamens usually 10. Styles usually 3. Seeds many, mmute. 

 Flowers all periect. 



** Capsule opening hy as many valves as styles, each hifid; or hy twice as 



many valves or teeth as styles. 



f Capsule opening to the middle by valves. 



10. Arenaria. § 2. Sepals usually 5. Petals entire. Stamens usually 



10. Styles about 3, opposite to the sepals when as many. 



11. Malachium. Sepals 5. Petals bifid. Stamens 10. Styles alter- 



nate with the sepals. Caps. -valves 5, opposite to the sepals, bihd 



at the apex. .^ ^^ 1 no 



12. Steliaria. Sepals 5. Petals bifid. Stamens 10. Styles usually a, 



opposite to the sepals when as many. Caps.- valves twice as many 

 as styles. 



ft Capsule opening at the extremity by twice as many teeth as styles. 



13. HoLOSTEUM. Sepals 5. Petals toothed. Stamens and styles 



usually 3. ^ j ^ i 



14. McE^sCHiA. Sepals usually 4. Petals entire. Stamens and styles 



as many as the sepals. 



15. Cerastium. Sepals 4— 5. Petals bifid. Stamens 4— 10. Styles as 



many as the sepals. 



D 4 



