The Botanical Gazette 
BA Monthly Journal Embracing all Departments of Botanical Science 
Edited by Jonn M. CouLter, with the snl th of vei members of the botanical staff of the 
University of Chic 
Issued June 19, soul 
Vol. LVII CONTENTS FOR JUNE 1914 No. 6 
WINTER AS A FACTOR IN THE Peer ee se CERTAIN BY RROREED. aeons 
(WITH TWELVE FIGURES). Frank Caleb Gate. 
THE ee pena iee. a ARAUCARIA ee II. THE OVULATE CONE 
AND FEMALE GAMETOP id Sad (WITH PLATES XXV-XXVII AND TWO .FIGURES) 
L. Lancelot Burlingame - Po a Meee Oe! ae - - 490 
THE ORIGIN OF MONOCOTYLEDONY. Conrrisutions From THE HULL BOTANICAL 
LABORATORY ype aes PLATES XXVIII AND XXIX AND TWO get at a = atc 
nd W.J.G. La 
@ 
A METHOD OF CONTROLLING THE TEMPERATURE OF THE PARAFFIN BLOCK 
AND MICROTOM E. CONTRIBUTIONS FROM THE HvLL BOTANICAL pers 
WITH TWO ots W.J.G. Land me ee Aina = 520 
BRIEFPER ARTICLES 
Su ree ARTIFICIAL CULTURES OF a TILLUDENS AND ARMILLARIA ee 
Al pose sa Wie Vidi; 524 
THE eusont OF BaRE GROUND IN SOME Mbeaceause Gaasstanns. pe Romaley:- > -, §26 
THe OxmpAsEs oF Actp B. - . §28 
Tue Type SPECIES oF DaANTHONIA. Aven Nelson and F. Francis Macbride - - - 530 
MATURATION IN Vicia. Lester W. Sharp - - * pies H 
rg dprid ad LITERATURE. 
math pee 
ey mapa OF mane BIOLOGY AND CAPILLARY ANALYSIS OF ENZYMES. FIELD 
MANUAL 0: 
ioe wevias: On cays be Re eet ey Mpa I RMR 
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