212 BOTANICAL GAZETTE [SEPTEMBER 
BOTANICAL CLUB, A.A. A. S. 
Unper the presidency of Dr. Byron B. Halsted, with Professor A. 
D. Selby acting as secretary, the Botanical Club listened to the follow. 
ing brief communications: 
C. E. Bessey: A greasewood compass plant. 
C. E. Bessey: A visit to the original station of the Rydberg cottonwood. 
N. L. Britton: Report on Mr. Heller's botanical exploration of Porto Rico. 
F.S. EARLE: Tomato fruit rot. 
W. J. Beat: The botanical club of the Michigan Agricultural Be: 
Wma. SAUNDERS: The arboretum and botanic garden of the C 
Experimental Farms, Ottawa, Canada. 
LiLoyD : On two hitherto confused species of Lycopodium. 
L. M. UNDERWOOD: What shall we regard as generic types? 
L. C. Consett: A device for registering plant growth. 
A.D. SeLBy: The introduced species of Lactuca in Ohi 
O. F. Cook: Notes on some of the work of the Division of Botany of the 
U.S. Department of Agriculture. 
' Tuomas A. WILLIAMS: Some features of the investigations on grass 
and forage plants, in charge of the Division of Agrostology, U. S. Depart 
ment of Agriculture. 
J. W. T. Duvet: A brief embryological study of Lactuca Scariola L. 
N. L. BrRITTon: Notes on the northern species of “ 
N. L. Brirron: Remarks on some species of Querc 
W. J. BEAL: The introduction of Cabomba pat in Michigan. 
C. E. Bessey: The wilting of Cleome integrifolia. 
W. A. KELLERMAN: Labels for living plants. acd 
H. L. BoLttey: The position of the fungi in the plant system 4S - 
b 
y the work on the organisms of nitrification. distribution df 
L. M. UNDERWOOD: Summary of our knowledge of the 
fungi in America. 
C. E. Bessey: The powdery mildew of Polygonum aviculare. 
A. D. SELBY: On Plasmopara Cubensis. 
A. S. Hitcucock : Distribution of some Kansas plants. + plants 
W. R. Lazensy: Unusual development of leaves and growth ! P 
from cuttings. 
A. D. Hopkins : Some botanical notes by an entomologist. 
A. S. Hircucock: Some wheat crosses. 
On Thursday morning the Club adjourned sine die. 
