Fig. 272: Carex rostrata: a, staminate flower and subtending scale, X 8; b, peri- 

 gynium, showing the slender erect bidentate beak. X 8; c. ligule, X 6; d, pistillate flower 

 with perigynium removed, showing the substipitate achene and curved style, X 12; e, 

 achene (cross section), X 12; f, habit, lower part of plant, showing the long horizontal 

 rhizomes, X %; g, upper part of culm, the lower spikes pistillate, the staminate spikes 

 terminal, some of the staminate spikes bearing perigynia at apex, X %; h, scale of 

 pistillate flower, X 8. (From Mason, Fig. 122). 



