Contributions in geographical exploration . »<• 2 :y^.\i Photograph by Robert F. Griggs YEARLING WILLOW PLANTS GROWLNG IN WATER-LAID PUMICE. The appearance of these plants in August, , is shown on paRc 32S. This picture was taken in August. 191G. species, including Artcniesia tilcsii, Canipc harbarca, (see page331), Polemonium aciitiflonim, Epilobiuni alaska, (see page 327),Mimulus langsdorfii and also the frutescent Sanihucus are also considerable areas where the ground is coveredwith seedlings of willow, (Salix alaxcnsis, Siilix hardayi. SalixniittaUii and Salix bebbian
Contributions in geographical exploration . »<• 2 :y^.\i Photograph by Robert F. Griggs YEARLING WILLOW PLANTS GROWLNG IN WATER-LAID PUMICE. The appearance of these plants in August, , is shown on paRc 32S. This picture was taken in August. 191G. species, including Artcniesia tilcsii, Canipc harbarca, (see page331), Polemonium aciitiflonim, Epilobiuni alaska, (see page 327),Mimulus langsdorfii and also the frutescent Sanihucus are also considerable areas where the ground is coveredwith seedlings of willow, (Salix alaxcnsis, Siilix hardayi. SalixniittaUii and Salix bebbiana). (See page 32S). Many of survived the first winter and made vigorous growth in1916. They have not, perhaps, established themselves wellenough to justify the prediction that the piniu-er growth over 330 The Ohio Journal of Science [Vol. XIX, No. 6, considerable areas will be a willow thicket, but present indica-tions point in that direction. In 1915 seedlings of all sortswere scarce, though many were starting at the time
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishercolum, bookyear1920
