324 The Ohio Journal of Science [Vol. XIX, No. 6, 



for wind distribution, and the wind is so efficient a factor 

 in this region, (see page 339), that seed in abundance is 

 transported great distances. 



SEEDLINGS BEGINNING TO START. 



The seedHngs starting up to 1915 were so few, and occurred 

 so sporadically, that in my report of operations that year I stated 

 that revegetation had not yet begun and that the observations 

 of that year could furnish no basis for a prediction as to when 

 it w^ould begin, but a definite change was noticeable in 1916. 







% 



Photograph by Robert F. Griggs 



A GENERAL VIEW OP THE PUMICE PLAIN ON WHICH LUPINES 



WERE STARTING. 



The dark spots right and left are lupines, like that shown close up on the opposite 



page. Although far apart they have grown thriftily. 



The landscape was, to be sure, as bare as ever, but the careful 

 observer could not fail to see in many habitats the definite, 

 though slight, beginnings of new vegetation. These were most 

 marked in the lower valley, and diminished as one approached 

 the Volcano, but even in the upper valley large areas which were 

 absolutely barren in 1915 were coming up with occasional 

 lupine seedlings which, though so sparse and widely scattered 

 that one had to search for them, were nevertheless thriving 

 with every prospect that some of them would survive. Farther 

 down the valley a few areas were found where similar seedlings 



