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Vol. XXXII, No. 3 Issued September 24, 1901 
CONTENTS 
tae k i ndig ps AND FERTILIZATION IN ALBUGO.  ConrRIBUTIONS FROM THE 
L BoTANICAL LABORATORY. XXIX. (WITH PLATES I-Iv.) Frank Lincoln ene 157 
A irre OF THE SPORANGIA AND GAMETOPHYTES OF SELAGINELLA APUS 
ND eae tear RUPESTRIS. CONTRIBUTIONS F a ee HULL biel: 
Sade XXXI. (WITH PLATES V-IxX.) Florence May L. 170 
THE ECOLOGICAL RELATIONS OF THE VEGETATION OF aan TEXAS. 
CONTRIBUTIONS FROM THE HULL BoTANICAL LABORATORY. XXX. erey TWENTY- 
FOUR TEXT FIGURES.) William 1. Bray - - 195 
BRIEFER ARTICLES. 
ES ON TRAVEL. VII. David G. Fairchild - = - - - ~ 2 
CURRENT LITERATURE. 
BOOK REVIEWS pe 
THE SEA BEACH 
NOTES FOR STUDENTS * = . . : - : 223 
OPEN LETTERS. 
A CORRECTION. £. Mead Wilcox - - - - - - - aie 2, 
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