Order 21. --PINK WORTS. 



175 



Order XXI. CARYOPHYLLACE^. Pinkworts. 



Fig. 406. Pink (Pheasant's-eye) : &, the bracts ; c, the tubular calyx. Fig. 407. The ovary 

 n-ith its 2 styles, Fig. 408. A petal of the Diurnal Lychnis, 2-clefl: c, the claw. Fig. 409 

 Arenaria stricta, showing the spreading cyme. Fig. 410. A flower enlarged, calyx not tubular. 



Herbs with the stems swelling at the nodes ; opposite, entire leaves ; 

 sepals 4 or 5, sometimes distinct and sometimes united into a tube; 

 petals 4 or 5 (sometimes 0), with or without claws, hypogynous ; 

 stamens generally twice as many as the petals ; styles 2-5 ; 

 fruit a 1-celled (rarely 2-5-celled) capsule with numerous seeds, and aa 

 enibryo coiled around fleshy albumen. 



Analysis of the Genera. 



§ Stipules dry, scale-like, between the leaves at base ... .6 



§ Stipules none 2 



2 Sepals united into a tube. Petals with lon^ claws 3 



2 Sepals distinct or nearly so. Petals sessile or none 4 



3 Calyx with 2 or more bractlets at base a 



S Calyx naked, i. e., with no bractlets b 



4 Pod 1-celled and with several seeds. Petals generally present. 



4 Pod 1-celled, with 1 seed. Petals none, calyx green g 



4 Pod completely 8-celled. Petals none, calyx white.. ..h 



5 Petals 2-parted or 2-lobed c 



6 Petals undivided and entire d 



