Nahe os a ae 
Che Botanical Gazette 
A Monthly Journal Embracing all Departments of Botanical Science 
Edited by JoHN M, CouLtTer and CHARLES R. BARNES, with the assistance of other members of the 
botanical staff of the University of Chicago. 
Vol. XLIII, No. 4 Issued April 15, 1907 
CONTENTS 
THE peel va haat hetvaraeete ON POTATO PLANTS ye ITH NINE ee 
Ger. 
rude FE. Dou x 233 
eceere ASA OIL. STIMULUS IN FUNGI. ContTRIBUTIONS FROM THE HULL BOTANICAL 
LABORATORY. XCII (WITH THREE FIGURES). Heinrich Hasselbring - eeeee 
ipa FORMS OF GLOEOSPORIUM AND COLLETOTRICHUM. C.Z. Shear and 
K. Wood 59 
ie ape haualenas IN THE SANTA CRUZ PENINSULA, CALIFORNIA, Alert 
W.C. 7. Her - 267 
BRIEFER ARTICLE. 
NorRMAL oe FOR USE IN PLANT eae IV (WITH TWO FIGURES). 
Q2RONn - < - ~ = - - - - - - 74 
Is THis BbirncH NEW? (WITH ONE FIGURE). Aven Nelson : - . - - 279 
RHODODENDRON ALBIFLORUM WITH DoUBLE FLOWERS. sta Reker - - - - o 
ee - 282 
PUCCINIA UPON MELOTHRIA (WITH ONE FIGURE), #&. “3 : 
AN INSTANCE OF MurTaTiIon. 7. D. A. Cockherell - - - . = : - 283 
CURRENT LITERATURE . 
MINOR NOTICES. - 2 3 : : 2 : : : s 2 ‘ 2 “ge 
NOTES FOR STUDENTS : = “ = r = z : ; : = : =" 4RK 
NEWS - i Fs i ‘ 5 “ m “ : 4 k - - 296 
Communications for the Editors should be addressed to them at the University of Chicago, Chicago, il. 
ontributors are requested to write scientific and proper names with particular care, to use the metric 
Seid et Sl ate s and measures, and in citations to follow the form shown in the pages s of the BOTANICAL 
“Pa ae excess of thirty- two tiie pages are not accepted unless the author is ern to ihe t by 
cost of the sddtinns 1 pages, in which case the number of pages inthe 
Illustrations are o paeige ccakeat — to author only when suitable gins me are e suppli lied. oy copy 
of the suggestions made the January number, 1907, will be sent on application. It is advisable to 
Rater pees the Editors as + ao er paiieed in any article to be offered. 
parates, if desired, may be red in aye nee of pub blication. Twenty-five separates of ori plied 
artic es es wit covers) will be tecaiohed gratis. Additional copies and covers roe * desired) will be supplie 
at cost, able showing cosoingesel cost of heparaten: is printed on an order bla nk which accompanie 
the aan a geet will be sent on request. 
siness a sais Pe addressed to the University of Chicago Press, Chicago, Ill. 
mM .$5.00 per year. Single ati 50 cents. Postage — by — for all nia 
Subscrip c 
Scriptions in epee United States, Canada, Mexico, Cuba, Porto Rico, P aC one, Re a fe 
Panama, Hawaiian Islands, srg ser Islands, Guam, Tutuila nen. i anghai. = oa es r 
_countries in the Postal Union, ee cents for postage should be added to the eee :® e. sa - 
tances should be made payable to +9 University of Chicago Press and should be 5 apa oF New 
der. 
bate es postal or express money or If local check is used, 10 cents pine be added for 
co ection 
for missing numbers should be made within the month following the regular’ month of publi- 
cation. The vaste expect to supply missing numbers free only when they have been n lost in transit. 
European subscription » 41-48 per year comaee hea should be remitted to WILLIAM WESLEY 
& Son, 28 Essex St., Strand, London , European Ag 
Entered August 21, 1896, at the Past-Office at Chicago, as second-class matter, under Act of Congress March 3, 1879. 
