PLATE XVII. 



PAGE 



Fig i. — The two commonest weeds, Helenium tenuifolium and 



Acanthospermum australe. Streets of Douglas, Sept. 22, 1900 116 



Fig. 2. — Pine-barrens after lumbering and fire, Near Ohoopee, 

 Tattnall Co., June 26, 1903. Herbaceous flora scarcely affected. 

 The young pines in the foreground are Pinus EllioUii. (The 

 water in the foreground is more or less accidental, being in an 

 excavation along a railroad embankment) 117, 118 



(392) 



