Fig. 439: a-e, Spergularia echinosperma: a, habit, x ^4; b, branch, x 2^/^; c, calyx 

 with dehisced capsule, x 5; d, seed with wing, x 10; e, seed without wing, x 25. f-i, 

 Spergularia marina: f, branch, x 1^/2', g. calyx with dehisced capsule, x 4; h, seed with- 

 out wing, X 10; i, seed with wing, x 10. j-m, Spergularia platensis: j, habit, x %; k, 

 branch, x 2\'->; 1, calyx with dehisced capsule, x 5; m, seed x 10. (V. F.). 



