k 



■-"4 



Fig. 245: a-c, Rhynchospora capitellata: a, top of plant. X V.; b, scale, X 15; c, 

 achene, X 15. d-g, Rhynchospora nuura: ci, top of plant. X I.e. scale, X 15; f. achene 

 with usual bristles, X 15; g, achene with unusual smooth bristles, X 15. (Courtesy of 

 R. K. Godfrey). 



