228 BOTANICAL GAZETTE [ SEPTEMBER 
the flora for forty years. This volume, which has been nearly three years in 
the government press, was issued on July 31, unhappily too late for the 
author to see the full fruition of his labors. This work we shall review later. 
We learn from Science that he had in preparation a volume on the eco- 
nomic botany of Alabama, which is probably too incomplete for publication. 
He published some years ago a pamphlet on the Botanical resources of Ala- 
bana. 
. THE FOLLOWING PAPERS were read before the Botanical Society of 
America at the recent Denver meeting: J. C. ARTHUR, Clues to relationship 
among heteroecious plant rusts; W. J. BEAL, Some of the changes now tak- 
ing place in a forest of oak openings; C. E. Bessey, Early winter colors of 
plant formations upon the great plains; E.G. Britron and A. TAYLOR, The 
life history of Vittaria lineata; F. E. CLEMENTS, The fundamental phe- 
nomena of vegetation, The plant formations of the Rocky mountains (with 
lantern slides), and A system of nomenclature for phytogeography; W. A. 
MurriLt (by invitation), The anatomy of the embryo and seedling of 7suga 
Canadensis ; B. L. ROBINSON (address of retiring president), Problems and 
possibilities of systematic botany; Ww. TRELEASE, A suggested hybrid 
origin of Yucca gloriosa (with lantern slides). : 
The officers elected for the ensuing year are J. C. ARTHUR, president, 
B. T. GALLOWAY, vice President, D. T. MACDOUGAL, secretary ;, A. HOLLICK, 
treasurer, C. E, BESsEY and WM. TRELEASE, councilors. 
THE FOLLOWING PAPERS were read before section G of the A. A. A. 5. 
at the recent Denver meeting: W. J. BEAL, Lantern views of the Botanical 
garden at the Agricultural college of Michigan; C. E. Bessey, The morphol- 
ogy of the pine cone; ALICE Eastwoop, General botanical features of the 
Coast mountains of California; B. D. HaLstEep, Notes upon colors of salsify 
hybrids; A. C. LEwis, Contribution to the knowledge of the physiology of 
karyokinesis ; D. T. MacDouGAL, Thermal relations of plants, and Compara- 
tive climate of a meadow and a hemlock forest; AVEN NELSON, Some ape 
of the Wyoming desert flora; L. H. PAMMEL, The xerophytic vegetalon of 
the Uintah mountains; F. RAMALEy, Observations on £gregia Mensa 
and the plants of the eastern foothills (with lantern slides); A. D. SELEY 
Experiments with lime and solutions of formaldehyde in the prevention of 
onion smut, and germination of seeds of some common cultivated plants 
after prolonged immersion in liquid air; E. E. SLOSSON, Effect of salt 
. . ic 
solutions on seeds and plants; Wm. TRELEASE, Some protective leaf move-_ 
ments induced by winter temperature (with lantern slides); L. M. ad 
woop, The location of a tropical research station in Porto Rico; V.5. 
Wuire, The Tylostomaceae of North America. : 
The officers elected for the ensuing year are D. H. CAMPBELL, vice P76 
dent, and H. VON SCHRENK, secretary. 
