JV. E. Mayes. Fig. 68. — Marsh Cudweed {Gnaphaliuiii uliginosjDti). 



See page 309. 



W. E. Mayes. 



Fig. 69. — Nodding Bur Marigold {Bidens cernud). 



See page 310. 



I. Root, rootlets and stem base. 2. Dwarf plant (two to three inches). 

 3. Floret with anthers e.xserted forming a tube. 



