The Plant World 
AN ILLUSTRATED MAGAZINE OF POPULAR BOTANY. 
CONTENTS FOR NOVEMBER. 
The Mistleb e: Some Recent Observations on its Habits and Structure, 
Mary M. Brackett, 
The Plant Fo rmations of the Catskills. Professor John W. Harshberger. 
The Influence of Pollination upon the Development of the Hop. M. C. Chedsey. 
How * ew Plants Come In. Professor W. Whitman Bailey. 
The Wild Flower Preservation Society. 
The Teacher’s Department : 
The Biological Relation of Aquatic Plants to the Substratum. 
The Cause of Diatom Motion. 
The Use of Blue Prints in Laboratory Notes, 
Reviews : 
Campbell’s Structure and Development of Mosses and Ferns. 
Clement’s Research Metho s in Ecology. 
Subscription price $i.ooa year ; single copies, 15 cents. Foreign postage 25 cents 
extra: Communications and subscriptions should be addressed to 
THE PLANT WORLD, 
FRANCIS E. LLOYD, Editor, 
Teachers College, Columbia University, New York C ity 
FLORIDA PLANTS 
I offer for sale a few sets, containing from 100 to 400 sheets, made up from my col¬ 
lections in Florida, mainly in the central part of the peninsula, during the years i v 9J 
and 1895. Price eight cents per specimen. No sets will be broken. For further par¬ 
ticulars apply to 
GEORGE V. NASH, New York Botanical Garden, Bronx Park, N. Y. City 
The Journal of the Maine Ornithological Society 
W. H. Brow t nson, Portland, Editor Frank T. Noble, Augusta, Associate Editor. 
Volume V11 will consist of issues on the first of March, June, September and December. There will 
be articles on the birds of Maine by the leading ornithologists of the state as well as copious bird notes of 
current interest. SUBSCRIPTION 50 CENTS A YEAR. 
Address, W. H. BROWNSON, 97^ Exchange St., Portland, Maine. 
THE POPULAR SCIENCE MONTHLY. 
It has had few rivals and no-equal in the educative service it has done for the American people. A 
complete set of the volumes thus lar published is both a history of education for the period covered and 
at the same time a pretty complete cyclopedia of natural science There is nothing to fill its place, and 
to carry it on is a benefaction to the public.—W. T. Harris, U. S Commissioner of Education 
With the increase of the importance of the applications of science to all the vaiitd fieldscf social life, 
it becomes more and more important to have a journal which will keep the general publ c in tout h with 
advances ot scientific research and intelligently direct public thinking along the avenues thus opentd up. 
The Popular Science Monthly is performing this function in a most admirable way — John Dewey 
Professor of Philosophy Columbia University. 
The Popular Science Monthly has, throughout its history, accomplished n great - work in popu¬ 
larizing science and in liberalizing thought in America. Under its present able management it 1 ids fair 
to continue to occupy this unique field in American literature. It should have the heartv support of 
every student and teacher A. S. Packard, Professor of Zoology and Geology, Brown University. 
THE POPULAR SCIENCE MONTHLY, Sub-Station 04, N.Y. City. 
$3 OO PER YEAR 30 CENTS PEP. COPY. 
Popular Science Monthly will be sent for six months for one dollar to nez" subscrib¬ 
ers mention, ng The Plant World. ' 
]n answering advertisements please mention THE PLANT WORLD. 
