vi : CONTENTS [VOLUME XXXII 
Notes on re Canadensis Linn. and A. vul- 
garis Linn. - - J. Schneck 304 
Meissner on evergreen needles (with one figure) 
Edwin Bingham Copeland 356 
The instability of the Rochester nomenclature - - M.L. Fernald 359 
Flower visits of oligotropic bees. III - - - Charles Robertson 367 
Some erroneous references - . - - - £.W. Dd. Holway 421 
Puccinia inanipes’~ - - - - . . - £.W.D. Holway 422 
The position of pleurococcus and mosses on trees” - Henry Kraemer 422 
Contribution to the knowledge of the physiology of 
karyokinesis (ith one figure) - Arthur Carr Lewis 423 
OpEN LETTERS— 
Normal solutions : é is 2 x : Louis erie 437 
James B. Dandeno 439 
Basilima, Schizonotus, Sorbaria - - - John Hendley Barnhart 440 » 
CuRRENT LITERATURE— - - . - 61, 145, 218, 306, 369, 426 
abe titles see index under author’s name and Re- 
Papers noticed in ‘“ Notes for Students” are 
said under author’s name and subjects 
NEws—_ - - et os = E - - - 74,154, 227, 307, 379, 443 
DATES OF PUBLICATION. 
. 1, July 24; No. 2, August 20; No. 3, September 24; No. 4, October 21; 
No. 5, November 25; No. 6, December 26. 
ERRATA. 
P. 45, line 5 from below, for composed, read compressed. 
P, 50, line 14, for “In the absorptive roots the elements are wider, more regular 
ess thickened,” read “In the absorptive root the medullary rays are narrow and 
of thin-walled cells containing crystals; in the anchoring root, the elements are wider, 
without c 
P. 70, line 7 from below, for Laminaceae read Laminariaceae. 
P. 71, line 15 from below, insert parenthesis before Ceramothamnton. 
P. 76, line 13, for aaother read another. 
P, 78, line 9, for avtemisaefolia read artemisiaefolia. 
P. 120, line 9 from below, for vegeation read vegetation. 
P, 158, in legend of center figure of first row, insert one before functional. 
