PINK FAMILY 43 



CARYOPHYLLALES PINK ORDER 



CARYOPHYLLACEAE PINK FAMILY 



Sepals 4-5, separate or united into a tube, petals 4-5 or none, separate, 

 the lower half often claw-like, stamens 10, rarely 3-8, ovary mostly 1- 

 celled, rarely 3-5-celled, styles 2-5, fruit typically a capsule with several to 

 many seeds ; flowers solitary or variously clustered ; annual or perennial 

 herbs with opposite simple entire leaves. 



1. Sepals united into a tube 



a. Styles 2 Saponaria 



b. Styles 3, rarely 4 Silene 



c. Styles 5 



(1) Calyx lobes long and leaf-like Agrostemma 



(2) Calyx lobes not long and leaf-like Lychnis 



2. Sepals separate, or at least not forming a tube 

 a. Petals present 



(1) Petals deeply notched or 2-cleft 



(a) Styles 3, rarely 4 Stellaria 



(b) Styles 5 Cerastium 



(2) Petals entire or nearly so 



(a) Styles 3 



x. Leaves with papery stipules at base Spergularia 



y. Leaves without papery stipules, mostly 



linear and sharp-tipped Arenaria 



(b) Styles 5 S agin a 



1). Petals absent ; leaves with papery stipules Paronychia 



Agrostemma Linne 1753 Corn Cockle 

 (Gr. agros, field, stemma, garland) 

 PI. 9, fig. 3. 

 Sepals 5, united into a 10-ribbed tube, the lobes long, narrow and leaf- 

 like, petals 5, red, with a claw-like base, stamens 10, ovary 1 -celled, styles 

 5, fruit a capsule; flowers solitary on long stalks; leaves opposite, simple, 

 entire ; annual. 

 Leaves lance-linear; flowers 2-3 in. wide A.githdgo 



Arenaria Linne 1753 Sandwort 



(Lat. arena, sand, from the habitat of many species) 



(Moehringia Linne) 



PI. 9, fig. 4-5. 



Sepals 5, separate, petals 5, white, entire or nearly so, rarely wanting, 



stamens 10, ovary 1-celled, styles usually 3, rarely 2-5, fruit splitting usu- 



