Botanical Gazette 
A Monthly Journal Embracing all Departments of Hotanical Science 
per year, $4.00 Single Numbers, 40 Cents 
4 The subscription am must be paid in advance. No numbers are sent etl the expiration 
a of the time paid for. No reduction is made to dealers or agen 
FOREIGN AGENTS: 
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"Vol. XXX, No. 3 Issued September 15, 1900 
CONTENTS 
. - ORIGIN OF THE CONES OF THE MULTIPOLAR SPINDLE IN GLADIOLUS Pain 
PLATE XII). Anstruther A. Lawson - 145 
THE DEVELOPMENT AND FUNCTION OF THE CELL PLATE IN HIGHER PLANTS 
a (WITH PLATES viII AND Ix). H.G. Timberlake - 154 
peeemtocicar “Hehe BoB easly ON SOME PERENNIAL HERBS (vir PLATE ds 
s A. R E 171 
tition: FROM THE ROCKY MOUNTAIN HERBARIUM. I, Aven Nelson - 189 
TEFER ARTICLES. 
PHOTOGRAPHY IN vba AND IN HorTICULTURE (WITH TWO FIGURES). /. 4. Waugh 
J. Horace McFarlan e i 4 ‘ - 204 
MINOR NOTICES 
NOTES FOR STUDENTS 
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