CANNON 



a. Festuca octoflora, March, 1908. b. Gilia bigelowii, March, 1907. c. Malva 

 borealis, showing development of root-system, February, 1907. d. Medicago 

 denticulata, February, 1907. e. Microseris liuearifolia, March, 1907. 



