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Fig. 1. Colony of mountain mint (Pyciianthcmnm flexiiosuin^ at Station I, o. Tlie large 

 upturned leaves are those of Asclepias sldlivuulii. (Photograph by T. ly. Harikinson.) 



General view of Station I, x>, April 23, 1911, showing the submerged condition. (Photograph 

 by T. L. Hankinson.) 



