PLATE IV. 



STEMS. 



Fig. 



in. oCALY culm, (fquamofus cnhnus ) 



112. Creeping Ste?n> (repens caulis) 



113. Scape, (fcapus) 



114. Jointed cubn, [ariiculatus culmus) 



115. Twining y?£7w, (volubilis epulis) 



116. Two-fork'd_/?^;;/, (dichotomus caulis) 



117. Crofs-arm'dykvw, [brachiatus caulis) 



