The Botanical Gazette 
A Montbly Journal Embracing all Departments of Botanical Science 
/Edited by JoHN M. CouLTER and CHARLES R. BARNEs, with the rai ag of other members of the 
F botanical staff of the University of Chicago. 
Issued July 23, 1908 
. Vol. XLVI CONTENTS FOR JULY 1908. No. 3 
A STUDY OF REDUCTION IN OENOTHERA RUBRINERVIS. CONTRIBUTIONS FROM THE 
HuLL BoTaNicAL LABORATORY III (WITH PLATES I-Ill). Reginald Ruggles Gares - - I 
STUDIES IN ARACEAE (wITH PLATES Iv-v1). /ames EllisGow  - - - - = ae 
/THE nec ehas SAC AND EMBRYO OF GNVETUM GNEMON. PEACE, ee FROM 
E HULL BoTaANICAL LABORATORY I12 (WITH PLATE Vil). /John MM. Coulte 43 
PBRIEFER ARTICLES 
THE aa ape ae AND RATE OF PROTOPLASMIC STREAMING IN GREENHOUSE PLANTS..—  ~* 
el hee 
2 . 50. 
On Piasmotysis. W./. V. Osterhout - - - - - - . z < > eet 
CURRENT LITERATURE : 
7 BOOK REVIEWS - Bo Set ag A I 20 ae ee ree ae ees = 
THE ORIGIN OF A LAND FLORA. ELECTRO-PHYSIOLOGY. CONFERENCE ON GENETICS, 
NORTH AMERICAN TREES. 
MINOR NOTICES - : . - ‘ - - - - - : . De eae 
NOTES FOR SLUDAN PSE oe tt eee aS eS eee ee 
: The ood ties Sambhied is ee monthly. [The Dae price is $7.00 per year; the pris 
_ of single sit og: ean §] Postage is prepaid by the pu head all orders from the United Sta 
Mexico, Cuba, P Rico, E Panama Canal Zone, Republic c of Pan aes iian Islands, Philippine Ladads, 
Guam, Tutuila (Samoal, Shanghai. [Postage is charged site as. follo For Ca nada, 35 cents on 
‘annual subscriptions (total $7.35), on single copies, 3 cents (total 78 cents); tok all other countries in the 
Postal Union, 84 cents on annual eecpetins (total $7.84), on single copies II cents aga 86 copies 
4] Remittances should be made payable to The University of Chicago Press, and should be in Chicago o 
| New York So postal or express money order. If local check is used, 10 cents sik be anaed 
for cotlectio 
g William Wes sley & Son, 28 Essex — pine London, are appointed sole Eur uropean agents and 
are aithorized to quote the following pri ¥e arly subscriptions, including postage, £1 12s. 6d. each; 
' single copies, including postage, 3s. 6d. each. 
q ims for missing numbers should be made within the month following the regular month of publi- 
‘cation. The publishers expect to supply missing numbers free only when they have been lost in transit. 
4 Business correspondence should be addressed to The University of Chicago Press, Chicago, III 
Communications for the editors should be ad alates to them at the University of Chicago, Chicago, Il. 
; Contributors are requested to write scientific and proper names with particular care, to use the metric 
E. system a —— and measures, and in citations fs ‘follow the form shown in the pages of the BOTANICAL 
GAZETT 
: Pa ist in excess of thirty-two Ahn pages are not accepted unless the author is ae to aa! the 
cost of the ‘additio nal pages, in which case the number of pages inthe creased. 
4 Illustrations are point withowe eer to author only when suitable originals are gtd e's oe copy 
of the gear made in the Jan mber, 190 wil be sent on eee ion. It is advisable to 
‘ i ffere 
Sepiiaean if desired, may be ordered in advance of publication. ae nty-five separates of shea 
articles without covers will be supplied gratis. A table showing approximate cost of ots ional separate 
is printed on an order blank which accompanies the proof; a copy will be sent on reque 
Entered August 21, 1895, at the Post-Office at Chicago, as second-class matter, under Act of Paes March 3, 1879. 
~ 
