CONTENTS. 
A RUST AND LEAF CASTING OF PINE LEAVES (i Plate 
and XXII). Beverly a Galloway - He 
THE PHILOSOPHY OF SPECIES-MAKING. LH. Batty: _ 2 = 
LABORATORY APPARATUS IN VEGETABLE PHYSIOLOGY (with 
Plates XXIV and XXV). /. C. Arthur 
POPULAR AMERICAN PLANT NAMES. We Fannie = Bers 
BRIEFER ARTICLES. 
New AND NOTEWORTHY WASHINGTON PLANTS. 6 ve Pr 
ANOTHER “ CoMPAss ” PLANT. C. Vv. Piper Ane LES: 
EDITORIALS - Se = & Sen — 
BOTANY FOR SECONDARY SCHOOLS, : 
THE AMERICAN TROPICAL LABORATORY. 
OPEN LETTERS : oe is 
cK TROPICAL ess oY 7 ee ae E> tte 
THe Burtenzorc Garvens. B. 7. Galloway - - - 
ON THE USE OF THE TERM “ FROND ” AS APPLIED TO — _ George a 
“ Davenpori 3 : | — s 
‘Duprication OF Conrrsvrions. Dp. rn MacDowgal ee ae 
‘CURRENT LITERATURE. | : a 
BOOK REVIEWS = : 5 = 600 
THE SURVIVAL OF THE Ustine, ee 
MINOR NOTICES Gee as 2 of ee 
NOTES FOR STUDENTS : as ogee ae | 
VOL een WO CRAKE rid || 
