NOVEMBER, 1909 No. 119 
JOURNAL 
> New York Botanical Garden 
EDITOR 
PERCY WILSON 
Administrative Assistant 
CONTENTS 
. PAGS 
Plant Diseases: Their Cause and Treatment ........--.-.-.- 24% 
Tropical Fern Collection .... . ig teint eaeia easel, © Ae CON aE Sa 256 
) Flowers and Fruitof the Turtle-grass ...-.---...+++-++ ee 261 
rence RUMOR ere eet Ns nel eps wm iecan ml le tere aes 264 
i MSW MMMNCHCOMMINENE ie) sew ors osc wre we wre ee we 267 
Mile iie Die et sy recte Renee aM re N NET eis tra, wea a iG wile 269 
PUBLISHED FOR THE GARDEN 
Ar 41 Norra Qugen Street, Lancaster, Pa. 
y THe New Era Printinc Company 
