[图书][B] The north American species of panicum

AS Hitchcock, MA Chase - 1910 - books.google.com
The accompanying paper, entitled The North American species of Panicum, by AS
Hitchcock, Systematic Agrostologist of the United States Department of Agriculture, and
Agnes Chase, Assistant in Systematic Agrostology, is the result of an exhaustive study of the
material of this genus in the United States National Herbarium and in the other large
herbaria of the United States. All the more important herbaria of Europe were visited by Mr.
Hitchcock for the purpose of examining the type specimens of American species described …

The North American Species of Panicum

HH Bartlett - 1910 - JSTOR
Note on Junipehus hoeizontalis and J. virginiana.-While engaged recently in the preparation
of a key to the New England junipers, I noticed that besides the differences between
Juniperus horizontalis Moench and J. virginiana L. emphasized in Gray's Manual, other
characters of some value in the separation of these species are afforded by the fruit. In the
Gray Herbarium material, which I examined with Prof. Fernald, it was found that the fruits of
J. horizontalis contained generally four seeds, rarely three or five, when mature chestnut …
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