Fig. 178: Scirpus microcarpus: a, achene and retrorsely barbed subtending bristles, 

 X 12; b, achene (cross section), X 12; c, primary ray of umbel, X %; d, habit, show- 

 ing the spreading leaf blades and their basal sheaths, the culm cut off, X l^; e, upper 

 part of culm, with entire leaf sheaths and compound inflorescence, the involucral leaves 

 extending beyond the inflorescence, X Vr,; f, spikelet, X 8; g, young leaf sheath, X 2; 

 h, ovate acute scale with prominent midrib, X 16; i, flower, the style 2-cleft, X 16. 

 (From Mason, Fig. 146). 



